I have tested the proposed version on Focal/Jammy and confirmed that the
issue is fixed.
[Focal]
root@focal:~# apt policy libpcap0.8
libpcap0.8:
Installed: 1.9.1-3ubuntu1.20.04.1
Candidate: 1.9.1-3ubuntu1.20.04.1
Version table:
*** 1.9.1-3ubuntu1.20.04.1 500
500 http://archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages
100 /var/lib/dpkg/status
1.9.1-3 500
500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
root@focal:~# tcpdump -nn -i any -Q out not tcp and not udp
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on any, link-type LINUX_SLL (Linux cooked v1), capture size 262144
bytes
05:26:52.808709 ARP, Request who-has 1.0.24.3 tell 1.0.24.1, length 28
05:26:52.808721 ethertype ARP, ARP, Request who-has 1.0.24.3 tell 1.0.24.1,
length 28
[Jammy]
root@jammy:~# apt policy libpcap0.8
libpcap0.8:
Installed: 1.10.1-4ubuntu1.22.04.1
Candidate: 1.10.1-4ubuntu1.22.04.1
Version table:
*** 1.10.1-4ubuntu1.22.04.1 500
500 http://archive.ubuntu.com/ubuntu jammy-proposed/main amd64 Packages
100 /var/lib/dpkg/status
1.10.1-4build1 500
500 http://archive.ubuntu.com/ubuntu jammy/main amd64 Packages
root@jammy:~# tcpdump -nn -i any -Q out not tcp and not udp
tcpdump: data link type LINUX_SLL2
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on any, link-type LINUX_SLL2 (Linux cooked v2), snapshot length
262144 bytes
05:09:32.268063 enp4s0f0.24 Out ARP, Request who-has 1.0.24.3 tell 1.0.24.1,
length 28
05:09:32.268070 enp4s0f0 Out ARP, Request who-has 1.0.24.3 tell 1.0.24.1,
length 28
** Tags removed: verification-needed verification-needed-focal
verification-needed-jammy
** Tags added: verification-done verification-done-focal verification-done-jammy
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2076398
Title:
Tcpdump utility captures incorrect packets on VLAN interface when
using SLL2
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/libpcap/+bug/2076398/+subscriptions
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