Date: Mon, 04 Nov 2024 11:43:50 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 282535] if_ipsec mtu seems to be 1422 for ipv6 Message-ID: <bug-282535-227@https.bugs.freebsd.org/bugzilla/>
next in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282535 Bug ID: 282535 Summary: if_ipsec mtu seems to be 1422 for ipv6 Product: Base System Version: 14.1-RELEASE Hardware: i386 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: bugs.freebsd.org@mx.zzux.com I have two FreeBSD connected via the 'if_ipsec' interfaces named 'vpn1' and mtu=3D1500 on the both sides. Before update: ping6 -D -s 1452 ff02::1%vpn1 PING6(1500=3D40+8+1452 bytes) fe80::9b26:3731:f02d:4768%vpn1 --> ff02::1%vp= n1 1460 bytes from fe80::9b26:3731:f02d:4768%vpn1, icmp_seq=3D0 hlim=3D64 time= =3D0.178 ms 1460 bytes from fe80::bfc0:65e8:dd5a:8d3c%vpn1, icmp_seq=3D0 hlim=3D64 time= =3D4.706 ms(DUP!) ... After update from 11.2-RELEASE to 14.1-RELEASE: ping6 -D -s 1374 ff02::1%vpn1 PING(1422=3D40+8+1374 bytes) fe80::7842:9f3d:a7df:4ae5%vpn1 --> ff02::1%vpn1 1382 bytes from fe80::7842:9f3d:a7df:4ae5%vpn1, icmp_seq=3D0 hlim=3D64 time= =3D0.208 ms 1382 bytes from fe80::bfc0:65e8:dd5a:8d3c%vpn1, icmp_seq=3D0 hlim=3D64 time= =3D4.854 ms(DUP!) ... ping6 -D -s 1375 ff02::1%vpn1 PING(1423=3D40+8+1375 bytes) fe80::7842:9f3d:a7df:4ae5%vpn1 --> ff02::1%vpn1 1383 bytes from fe80::7842:9f3d:a7df:4ae5%vpn1, icmp_seq=3D0 hlim=3D64 time= =3D0.147 ms 1383 bytes from fe80::7842:9f3d:a7df:4ae5%vpn1, icmp_seq=3D1 hlim=3D64 time= =3D0.080 ms 1383 bytes from fe80::7842:9f3d:a7df:4ae5%vpn1, icmp_seq=3D2 hlim=3D64 time= =3D0.095 ms ... there is no answer or ICMP error message. This issue affects any protocols and addresses also as link-local. --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-282535-227>