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Multihop IPv6 BFD is unconfigurable
Closed, ResolvedPublicBUG
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Description

IPv6 BFD is enforcing a requirement for a source address and interface which is incorrect and is incompatible with the multihop option making it impossible to configure IPv6 multihop BFD peers (routed dummy interfaces in this case).

I can manually configure FRR with multihop and a source address and the BFD peering comes up seemingly without issue.

Details

Difficulty level
Easy (less than an hour)
Version
1.2.4
Why the issue appeared?
Implementation mistake
Is it a breaking change?
Perfectly compatible

Event Timeline

bmhughes created this task.Jan 7 2020, 1:32 PM
syncer changed the task status from Open to Needs testing.Jan 7 2020, 1:43 PM
syncer assigned this task to zsdc.
syncer triaged this task as Normal priority.
syncer edited projects, added VyOS 1.3 Equuleus, VyOS 1.2 Crux (VyOS 1.2.5); removed VyOS 1.2 Crux.
pasik added a subscriber: pasik.Jan 7 2020, 2:46 PM
bmhughes added a comment.Jan 7 2020, 2:52 PM

Seems to be a simple fix so i've submitted a PR: https://github.com/vyos/vyos-1x/pull/199

syncer changed the task status from Needs testing to Backport candidate.Mar 15 2020, 10:36 PM
syncer reassigned this task from zsdc to jestabro.
syncer moved this task from Need Triage to Finished on the VyOS 1.3 Equuleus board.
syncer moved this task from Needs Triage to Backlog on the VyOS 1.2 Crux (VyOS 1.2.5) board.
syncer added a project: Ready for Crux (1.2.x).
syncer added a subscriber: zsdc.
jestabro edited projects, added VyOS 1.2 Crux (VyOS 1.2.6); removed VyOS 1.2 Crux (VyOS 1.2.5).Mar 19 2020, 5:46 PM
dmbaturin changed the task status from Backport candidate to Needs testing.Jul 26 2020, 11:13 AM
dmbaturin removed a project: Ready for Crux (1.2.x).
dmbaturin changed Difficulty level from Unknown (require assessment) to Easy (less than an hour).
dmbaturin changed Why the issue appeared? from Will be filled on close to Implementation mistake.
dmbaturin changed Is it a breaking change? from Unspecified (possibly destroys the router) to Perfectly compatible.
dmbaturin moved this task from Needs Triage to Finished on the VyOS 1.2 Crux (VyOS 1.2.6) board.Jul 26 2020, 1:16 PM
jestabro closed this task as Resolved.Aug 8 2020, 3:48 PM
syncer edited projects, added VyOS 1.3 Equuleus (1.3.0); removed VyOS 1.3 Equuleus.Aug 30 2022, 2:03 PM
syncer moved this task from Need Triage to Finished on the VyOS 1.3 Equuleus (1.3.0) board.