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Netgear WNR3500L och Bahnhof DHCP server

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Netgear WNR3500L och Bahnhof DHCP server

Jag har under en längre tid haft problem att jag inte får någon IP från bahnhof till min router, Netgear WNR3500L. Bahnhofs support är tyvärr helt osammarbetsvilliga vilket är irriterande. Jag har skickat en wireshark-log till de där man kan se att DHCP-förfarandet misslyckas i och med att bahnhofs DHCP-server aldrig svara med en slutlig DHCP-ACK.

Jag har själv kikat på loggen och jämfört med loggen från min gamla d-link. Den enda stora skillnaden jag sett är att netgear-routern ber om unicast trafik medans dlink ber om broadcast.

Är det någon som har erfarenhet av något liknande eller har något bra tips för mig att komma vidare. Bahnhof vägrar assistera.

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Skrivet av Sippler:

Jag har under en längre tid haft problem att jag inte får någon IP från bahnhof till min router, Netgear WNR3500L. Bahnhofs support är tyvärr helt osammarbetsvilliga vilket är irriterande. Jag har skickat en wireshark-log till de där man kan se att DHCP-förfarandet misslyckas i och med att bahnhofs DHCP-server aldrig svara med en slutlig DHCP-ACK.

Jag har själv kikat på loggen och jämfört med loggen från min gamla d-link. Den enda stora skillnaden jag sett är att netgear-routern ber om unicast trafik medans dlink ber om broadcast.

Är det någon som har erfarenhet av något liknande eller har något bra tips för mig att komma vidare. Bahnhof vägrar assistera.

Gå till inlägget

Kan du lägga upp loggen ? När du säger broadcast, det ända i DHCP som är en boradcast ska vara en diiscover inget annat, allt annat som offer, req samt ACK ska vara unicast.

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Skrivet av smartsim:

Kan du lägga upp loggen ? När du säger broadcast, det ända i DHCP som är en boradcast ska vara en diiscover inget annat, allt annat som offer, req samt ACK ska vara unicast.

Gå till inlägget

Ursäkta min okunskap. Hur lägger jag upp loggen?

Jag tror att det finns en flagga för att styra om man ska köra unicast eller broadcast.Min dlink verkade köra med broadcast. Men jag kan självklart ha fel

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Skrivet av smartsim:

Kan du lägga upp loggen ? När du säger broadcast, det ända i DHCP som är en boradcast ska vara en diiscover inget annat, allt annat som offer, req samt ACK ska vara unicast.

Gå till inlägget

No. Time Source Destination Protocol Length Info
5 64.940781000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x7dbf7e59

Frame 5: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:43.245392000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016903.245392000 seconds
[Time delta from previous captured frame: 4.941406000 seconds]
[Time delta from previous displayed frame: 4.941406000 seconds]
[Time since reference or first frame: 64.940781000 seconds]
Frame Number: 5
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0x66a2 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Discover (1)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
6 69.180746000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x7dbf7e59

Frame 6: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.485357000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.485357000 seconds
[Time delta from previous captured frame: 4.239965000 seconds]
[Time delta from previous displayed frame: 4.239965000 seconds]
[Time since reference or first frame: 69.180746000 seconds]
Frame Number: 6
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0x66a2 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Discover (1)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
7 69.386591000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59

Frame 7: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.691202000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.691202000 seconds
[Time delta from previous captured frame: 0.205845000 seconds]
[Time delta from previous displayed frame: 0.205845000 seconds]
[Time since reference or first frame: 69.386591000 seconds]
Frame Number: 7
Frame Length: 342 bytes (2736 bits)
Capture Length: 342 bytes (2736 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Alcatel-_10:98:01 (a0:f3:e4:10:98:01), Dst: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Destination: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Source: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
Address: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 46.59.13.1 (46.59.13.1), Dst: 46.59.13.72 (46.59.13.72)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
1100 00.. = Differentiated Services Codepoint: Class Selector 6 (0x30)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 328
Identification: 0x4b8e (19342)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0xb698 [correct]
[Good: True]
[Bad: False]
Source: 46.59.13.1 (46.59.13.1)
Destination: 46.59.13.72 (46.59.13.72)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68)
Source port: bootps (67)
Destination port: bootpc (68)
Length: 308
Checksum: 0xb281 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Reply (2)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 46.59.13.72 (46.59.13.72)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 81.170.166.1 (81.170.166.1)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name: dhcp-2
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Offer (2)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.158 (212.116.65.158)
Option: (51) IP Address Lease Time
Length: 4
IP Address Lease Time: (14400s) 4 hours
Option: (1) Subnet Mask
Length: 4
Subnet Mask: 255.255.255.0 (255.255.255.0)
Option: (3) Router
Length: 4
Router: 46.59.13.1 (46.59.13.1)
Option: (6) Domain Name Server
Length: 8
Domain Name Server: 213.80.98.2 (213.80.98.2)
Domain Name Server: 213.80.101.3 (213.80.101.3)
Option: (15) Domain Name
Length: 10
Domain Name: bahnhof.se
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
8 69.386603000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59

Frame 8: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.691214000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.691214000 seconds
[Time delta from previous captured frame: 0.000012000 seconds]
[Time delta from previous displayed frame: 0.000012000 seconds]
[Time since reference or first frame: 69.386603000 seconds]
Frame Number: 8
Frame Length: 342 bytes (2736 bits)
Capture Length: 342 bytes (2736 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Alcatel-_10:98:01 (a0:f3:e4:10:98:01), Dst: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Destination: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Source: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
Address: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 46.59.13.1 (46.59.13.1), Dst: 46.59.13.72 (46.59.13.72)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
1100 00.. = Differentiated Services Codepoint: Class Selector 6 (0x30)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 328
Identification: 0x4b8d (19341)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0xb699 [correct]
[Good: True]
[Bad: False]
Source: 46.59.13.1 (46.59.13.1)
Destination: 46.59.13.72 (46.59.13.72)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68)
Source port: bootps (67)
Destination port: bootpc (68)
Length: 308
Checksum: 0xb382 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Reply (2)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 46.59.13.72 (46.59.13.72)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 81.170.166.1 (81.170.166.1)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name: dhcp-1
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Offer (2)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.157 (212.116.65.157)
Option: (51) IP Address Lease Time
Length: 4
IP Address Lease Time: (14400s) 4 hours
Option: (1) Subnet Mask
Length: 4
Subnet Mask: 255.255.255.0 (255.255.255.0)
Option: (3) Router
Length: 4
Router: 46.59.13.1 (46.59.13.1)
Option: (6) Domain Name Server
Length: 8
Domain Name Server: 213.80.98.2 (213.80.98.2)
Domain Name Server: 213.80.101.3 (213.80.101.3)
Option: (15) Domain Name
Length: 10
Domain Name: bahnhof.se
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
9 69.386663000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59

Frame 9: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.691274000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.691274000 seconds
[Time delta from previous captured frame: 0.000060000 seconds]
[Time delta from previous displayed frame: 0.000060000 seconds]
[Time since reference or first frame: 69.386663000 seconds]
Frame Number: 9
Frame Length: 342 bytes (2736 bits)
Capture Length: 342 bytes (2736 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Alcatel-_10:98:01 (a0:f3:e4:10:98:01), Dst: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Destination: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Source: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
Address: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 46.59.13.1 (46.59.13.1), Dst: 46.59.13.72 (46.59.13.72)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
1100 00.. = Differentiated Services Codepoint: Class Selector 6 (0x30)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 328
Identification: 0x4b8f (19343)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0xb697 [correct]
[Good: True]
[Bad: False]
Source: 46.59.13.1 (46.59.13.1)
Destination: 46.59.13.72 (46.59.13.72)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68)
Source port: bootps (67)
Destination port: bootpc (68)
Length: 308
Checksum: 0xb480 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Reply (2)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 46.59.13.72 (46.59.13.72)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 81.170.166.1 (81.170.166.1)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name: dhcp-3
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Offer (2)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.156 (212.116.65.156)
Option: (51) IP Address Lease Time
Length: 4
IP Address Lease Time: (14400s) 4 hours
Option: (1) Subnet Mask
Length: 4
Subnet Mask: 255.255.255.0 (255.255.255.0)
Option: (3) Router
Length: 4
Router: 46.59.13.1 (46.59.13.1)
Option: (6) Domain Name Server
Length: 8
Domain Name Server: 213.80.98.2 (213.80.98.2)
Domain Name Server: 213.80.101.3 (213.80.101.3)
Option: (15) Domain Name
Length: 10
Domain Name: bahnhof.se
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
10 69.540139000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59

Frame 10: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.844750000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.844750000 seconds
[Time delta from previous captured frame: 0.153476000 seconds]
[Time delta from previous displayed frame: 0.153476000 seconds]
[Time since reference or first frame: 69.540139000 seconds]
Frame Number: 10
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0xc5e8 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Request (3)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (50) Requested IP Address
Length: 4
Requested IP Address: 46.59.13.72 (46.59.13.72)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.158 (212.116.65.158)
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
11 70.719885000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59

Frame 11: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:49.024496000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016909.024496000 seconds
[Time delta from previous captured frame: 1.179746000 seconds]
[Time delta from previous displayed frame: 1.179746000 seconds]
[Time since reference or first frame: 70.719885000 seconds]
Frame Number: 11
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0xc5e8 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Request (3)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (50) Requested IP Address
Length: 4
Requested IP Address: 46.59.13.72 (46.59.13.72)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.158 (212.116.65.158)
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
12 72.810532000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59

Frame 12: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:51.115143000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016911.115143000 seconds
[Time delta from previous captured frame: 2.090647000 seconds]
[Time delta from previous displayed frame: 2.090647000 seconds]
[Time since reference or first frame: 72.810532000 seconds]
Frame Number: 12
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0xc5e8 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Request (3)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (50) Requested IP Address
Length: 4
Requested IP Address: 46.59.13.72 (46.59.13.72)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.158 (212.116.65.158)
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
13 83.023601000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x60fc631c

Frame 13: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:42:01.328212000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016921.328212000 seconds
[Time delta from previous captured frame: 10.213069000 seconds]
[Time delta from previous displayed frame: 10.213069000 seconds]
[Time since reference or first frame: 83.023601000 seconds]
Frame Number: 13
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0x1735 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x60fc631c
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Discover (1)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (50) Requested IP Address
Length: 4
Requested IP Address: 46.59.13.72 (46.59.13.72)
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

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Skrivet av smartsim:

Kan du lägga upp loggen ? När du säger broadcast, det ända i DHCP som är en boradcast ska vara en diiscover inget annat, allt annat som offer, req samt ACK ska vara unicast.

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Nej, det stämmer inte riktigt. Om klienten sätter bcast-flaggan SKA serverns svar skickas som broadcast.
http://www.ietf.org/rfc/rfc2131.txt
A server or relay agent sending or relaying a DHCP message directly to a DHCP client (i.e., not to a relay agent specified in the 'giaddr' field) SHOULD examine the BROADCAST bit in the 'flags'field. If this bit is set to 1, the DHCP message SHOULD be sent as an IP broadcast using an IP broadcast address (preferably 0xffffffff) as the IP destination address and the link-layer broadcast address as the link-layer destination address.

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Skrivet av madtop:

Nej, det stämmer inte riktigt. Om klienten sätter bcast-flaggan SKA serverns svar skickas som broadcast.
http://www.ietf.org/rfc/rfc2131.txt
A server or relay agent sending or relaying a DHCP message directly to a DHCP client (i.e., not to a relay agent specified in the 'giaddr' field) SHOULD examine the BROADCAST bit in the 'flags'field. If this bit is set to 1, the DHCP message SHOULD be sent as an IP broadcast using an IP broadcast address (preferably 0xffffffff) as the IP destination address and the link-layer broadcast address as the link-layer destination address.

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Vilket till stor del är legacy.

Visa signatur

CCNP

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Skrivet av Sippler:

No. Time Source Destination Protocol Length Info
5 64.940781000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x7dbf7e59

Frame 5: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:43.245392000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016903.245392000 seconds
[Time delta from previous captured frame: 4.941406000 seconds]
[Time delta from previous displayed frame: 4.941406000 seconds]
[Time since reference or first frame: 64.940781000 seconds]
Frame Number: 5
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0x66a2 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Discover (1)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
6 69.180746000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x7dbf7e59

Frame 6: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.485357000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.485357000 seconds
[Time delta from previous captured frame: 4.239965000 seconds]
[Time delta from previous displayed frame: 4.239965000 seconds]
[Time since reference or first frame: 69.180746000 seconds]
Frame Number: 6
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0x66a2 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Discover (1)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
7 69.386591000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59

Frame 7: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.691202000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.691202000 seconds
[Time delta from previous captured frame: 0.205845000 seconds]
[Time delta from previous displayed frame: 0.205845000 seconds]
[Time since reference or first frame: 69.386591000 seconds]
Frame Number: 7
Frame Length: 342 bytes (2736 bits)
Capture Length: 342 bytes (2736 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Alcatel-_10:98:01 (a0:f3:e4:10:98:01), Dst: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Destination: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Source: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
Address: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 46.59.13.1 (46.59.13.1), Dst: 46.59.13.72 (46.59.13.72)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
1100 00.. = Differentiated Services Codepoint: Class Selector 6 (0x30)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 328
Identification: 0x4b8e (19342)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0xb698 [correct]
[Good: True]
[Bad: False]
Source: 46.59.13.1 (46.59.13.1)
Destination: 46.59.13.72 (46.59.13.72)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68)
Source port: bootps (67)
Destination port: bootpc (68)
Length: 308
Checksum: 0xb281 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Reply (2)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 46.59.13.72 (46.59.13.72)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 81.170.166.1 (81.170.166.1)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name: dhcp-2
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Offer (2)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.158 (212.116.65.158)
Option: (51) IP Address Lease Time
Length: 4
IP Address Lease Time: (14400s) 4 hours
Option: (1) Subnet Mask
Length: 4
Subnet Mask: 255.255.255.0 (255.255.255.0)
Option: (3) Router
Length: 4
Router: 46.59.13.1 (46.59.13.1)
Option: (6) Domain Name Server
Length: 8
Domain Name Server: 213.80.98.2 (213.80.98.2)
Domain Name Server: 213.80.101.3 (213.80.101.3)
Option: (15) Domain Name
Length: 10
Domain Name: bahnhof.se
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
8 69.386603000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59

Frame 8: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.691214000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.691214000 seconds
[Time delta from previous captured frame: 0.000012000 seconds]
[Time delta from previous displayed frame: 0.000012000 seconds]
[Time since reference or first frame: 69.386603000 seconds]
Frame Number: 8
Frame Length: 342 bytes (2736 bits)
Capture Length: 342 bytes (2736 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Alcatel-_10:98:01 (a0:f3:e4:10:98:01), Dst: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Destination: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Source: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
Address: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 46.59.13.1 (46.59.13.1), Dst: 46.59.13.72 (46.59.13.72)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
1100 00.. = Differentiated Services Codepoint: Class Selector 6 (0x30)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 328
Identification: 0x4b8d (19341)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0xb699 [correct]
[Good: True]
[Bad: False]
Source: 46.59.13.1 (46.59.13.1)
Destination: 46.59.13.72 (46.59.13.72)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68)
Source port: bootps (67)
Destination port: bootpc (68)
Length: 308
Checksum: 0xb382 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Reply (2)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 46.59.13.72 (46.59.13.72)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 81.170.166.1 (81.170.166.1)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name: dhcp-1
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Offer (2)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.157 (212.116.65.157)
Option: (51) IP Address Lease Time
Length: 4
IP Address Lease Time: (14400s) 4 hours
Option: (1) Subnet Mask
Length: 4
Subnet Mask: 255.255.255.0 (255.255.255.0)
Option: (3) Router
Length: 4
Router: 46.59.13.1 (46.59.13.1)
Option: (6) Domain Name Server
Length: 8
Domain Name Server: 213.80.98.2 (213.80.98.2)
Domain Name Server: 213.80.101.3 (213.80.101.3)
Option: (15) Domain Name
Length: 10
Domain Name: bahnhof.se
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
9 69.386663000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59

Frame 9: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.691274000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.691274000 seconds
[Time delta from previous captured frame: 0.000060000 seconds]
[Time delta from previous displayed frame: 0.000060000 seconds]
[Time since reference or first frame: 69.386663000 seconds]
Frame Number: 9
Frame Length: 342 bytes (2736 bits)
Capture Length: 342 bytes (2736 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Alcatel-_10:98:01 (a0:f3:e4:10:98:01), Dst: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Destination: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Source: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
Address: Alcatel-_10:98:01 (a0:f3:e4:10:98:01)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 46.59.13.1 (46.59.13.1), Dst: 46.59.13.72 (46.59.13.72)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
1100 00.. = Differentiated Services Codepoint: Class Selector 6 (0x30)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 328
Identification: 0x4b8f (19343)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0xb697 [correct]
[Good: True]
[Bad: False]
Source: 46.59.13.1 (46.59.13.1)
Destination: 46.59.13.72 (46.59.13.72)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68)
Source port: bootps (67)
Destination port: bootpc (68)
Length: 308
Checksum: 0xb480 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Reply (2)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 46.59.13.72 (46.59.13.72)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 81.170.166.1 (81.170.166.1)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name: dhcp-3
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Offer (2)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.156 (212.116.65.156)
Option: (51) IP Address Lease Time
Length: 4
IP Address Lease Time: (14400s) 4 hours
Option: (1) Subnet Mask
Length: 4
Subnet Mask: 255.255.255.0 (255.255.255.0)
Option: (3) Router
Length: 4
Router: 46.59.13.1 (46.59.13.1)
Option: (6) Domain Name Server
Length: 8
Domain Name Server: 213.80.98.2 (213.80.98.2)
Domain Name Server: 213.80.101.3 (213.80.101.3)
Option: (15) Domain Name
Length: 10
Domain Name: bahnhof.se
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
10 69.540139000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59

Frame 10: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:47.844750000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016907.844750000 seconds
[Time delta from previous captured frame: 0.153476000 seconds]
[Time delta from previous displayed frame: 0.153476000 seconds]
[Time since reference or first frame: 69.540139000 seconds]
Frame Number: 10
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0xc5e8 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Request (3)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (50) Requested IP Address
Length: 4
Requested IP Address: 46.59.13.72 (46.59.13.72)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.158 (212.116.65.158)
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
11 70.719885000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59

Frame 11: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:49.024496000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016909.024496000 seconds
[Time delta from previous captured frame: 1.179746000 seconds]
[Time delta from previous displayed frame: 1.179746000 seconds]
[Time since reference or first frame: 70.719885000 seconds]
Frame Number: 11
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0xc5e8 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Request (3)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (50) Requested IP Address
Length: 4
Requested IP Address: 46.59.13.72 (46.59.13.72)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.158 (212.116.65.158)
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
12 72.810532000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59

Frame 12: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:41:51.115143000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016911.115143000 seconds
[Time delta from previous captured frame: 2.090647000 seconds]
[Time delta from previous displayed frame: 2.090647000 seconds]
[Time since reference or first frame: 72.810532000 seconds]
Frame Number: 12
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0xc5e8 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x7dbf7e59
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Request (3)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (50) Requested IP Address
Length: 4
Requested IP Address: 46.59.13.72 (46.59.13.72)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 212.116.65.158 (212.116.65.158)
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

No. Time Source Destination Protocol Length Info
13 83.023601000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x60fc631c

Frame 13: 590 bytes on wire (4720 bits), 590 bytes captured (4720 bits) on interface 0
Interface id: 0
WTAP_ENCAP: 1
Arrival Time: Aug 20, 2013 18:42:01.328212000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1377016921.328212000 seconds
[Time delta from previous captured frame: 10.213069000 seconds]
[Time delta from previous displayed frame: 10.213069000 seconds]
[Time since reference or first frame: 83.023601000 seconds]
Frame Number: 13
Frame Length: 590 bytes (4720 bits)
Capture Length: 590 bytes (4720 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: eth:ip:udp:bootp]
[Coloring Rule Name: UDP]
[Coloring Rule String: udp]
Ethernet II, Src: Netgear_42:a8:9d (84:1b:5e:42:a8:9d), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Address: Broadcast (ff:ff:ff:ff:ff:ff)
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
Source: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
Type: IP (0x0800)
Internet Protocol Version 4, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
Total Length: 576
Identification: 0x0000 (0)
Flags: 0x00
0... .... = Reserved bit: Not set
.0.. .... = Don't fragment: Not set
..0. .... = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: UDP (17)
Header checksum: 0x78ae [correct]
[Good: True]
[Bad: False]
Source: 0.0.0.0 (0.0.0.0)
Destination: 255.255.255.255 (255.255.255.255)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 556
Checksum: 0x1735 [validation disabled]
[Good Checksum: False]
[Bad Checksum: False]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x60fc631c
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
0... .... .... .... = Broadcast flag: Unicast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type
Length: 1
DHCP: Discover (1)
Option: (61) Client identifier
Length: 7
Hardware type: Ethernet
Client MAC address: Netgear_42:a8:9d (84:1b:5e:42:a8:9d)
Option: (60) Vendor class identifier
Length: 11
Vendor class identifier: udhcp 0.9.8
Option: (50) Requested IP Address
Length: 4
Requested IP Address: 46.59.13.72 (46.59.13.72)
Option: (55) Parameter Request List
Length: 10
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (249) Private/Classless Static Route (Microsoft)
Option: (255) End
Option End: 255
Padding

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Hur har du sniffat trafiken egentligen? Är det loggen från routern eller har du haft en sniffer inkopplad på något vis?
Tycker det ser skumt ut, det syns 3 st OFFER vilket aldrig ska förekomma. Finns det en loop/felkoppling hemma hos dig?

5 64.940781000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x7dbf7e59
6 69.180746000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x7dbf7e59
7 69.386591000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59
8 69.386603000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59
9 69.386663000 46.59.13.1 46.59.13.72 DHCP 342 DHCP Offer - Transaction ID 0x7dbf7e59
10 69.540139000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59
11 70.719885000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59
12 72.810532000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Request - Transaction ID 0x7dbf7e59
13 83.023601000 0.0.0.0 255.255.255.255 DHCP 590 DHCP Discover - Transaction ID 0x60fc631c

Testa att uppdatera firmware på routern och gör en factory reset.

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Skrivet av madtop:

Hur har du sniffat trafiken egentligen? Är det loggen från routern eller har du haft en sniffer inkopplad på något vis?
Tycker det ser skumt ut, det syns 3 st OFFER vilket aldrig ska förekomma. Finns det en loop/felkoppling hemma hos dig?

Gå till inlägget

DU har rätt att det ser skumt ut.

Jag tror jag vet varför. Jag satte upp port mirroring och sniffade den speglade porten med wireshark. Kanske är så att min switch skickar både speglingen som normal trafik till spegelporten. De flesta, eller alla? meddelanden är ju broadcasts så då borde de komma två gånger. Frågan är dock varför Request och Offer kommer 3 gånger.

Jag har följande uppsättning:
gateway
|
switch
| |
| | (spegelport)
| |
| laptop med wireshark
|
router

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Skrivet av Sippler:

DU har rätt att det ser skumt ut.

Jag tror jag vet varför. Jag satte upp port mirroring och sniffade den speglade porten med wireshark. Kanske är så att min switch skickar både speglingen som normal trafik till spegelporten. De flesta, eller alla? meddelanden är ju broadcasts så då borde de komma två gånger. Frågan är dock varför Request och Offer kommer 3 gånger.

Jag har följande uppsättning:
gateway
|
switch
| |
| | (spegelport)
| |
| laptop med wireshark
|
router

Gå till inlägget

Switchen skickar ut eth-bcast på samtliga portar och om du dessutom speglar så borde du få två identiska paket - inte tre. Discover och Request skickas som broadcast så den borde vi se två gånger. Men offer skickas som unicast (Destination: Netgear_42:a8:9d) så den borde vi bara se en gång.

Speglade du porten mot routern eller porten mot gateway?
Får du samma resultat om du i stället speglar porten mot gateway?

Får du ip om du stoppar datorn direkt i gateway?
Och du hade inget problem med din gamla router?

Sök efter ny firmware och gör även en factory reset på din netgear.

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Skrivet av madtop:

Speglade du porten mot routern eller porten mot gateway?
Får du samma resultat om du i stället speglar porten mot gateway?

Får du ip om du stoppar datorn direkt i gateway?
Och du hade inget problem med din gamla router?

Sök efter ny firmware och gör även en factory reset på din netgear.

Gå till inlägget

Jag speglade porten mot routern.

Skulle tro att jag får ip om jag kopplar datorn i gateway direkt. Jag har två andra routrar som får ip. Den gamla dlinken och ett voipmodem.

Problemet med den gamla är att den hänger sig då och då och har färre trevliga features.

Jag har senaste firmware och en factory reset hjälper inte.

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Skrivet av madtop:

.Finns det en loop/felkoppling hemma hos dig?

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Jag får samma antal meddelanden när jag kör min dlink om jag inte minns fel. Och vid testet så såg nätet ut som jag ritade.

Jag ska testa utan spegling så får vi se.

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Skrivet av Sippler:

J

Jag ska testa utan spegling så får vi se.

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Tror tyvärr inte det hjälper.
Utan du har nog helt rätt i din analys att det är något strul hos din ISP.
Din Request ser helt OK ut och du borde få en ACK.
Men om det är dhcp-servern som inte skickar en ACK eller om den droppas någonstans på vägen låter jag vara osagt. Skulle lika gärna kunna vara t.ex relay agent som droppar.

Tycker att Bahnhof borde kunna kolla sina dhcp-loggar, de borde kunna se om deras server skickar en ACK.

Och för säkerhets skull skulle du kunna göra en ny sniff men där du speglar porten mot gateway.
Jag har lite dålig erfarenhet av spegling på enkla switchar - funktionen är inte 100%-ig

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