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Maniphest T2323

LLDP: "show lldp neighbors detail" returns warnings when service is not configured
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Description

If you didn't configure LLDP and try to show neighbors detail, this will result in an error.

[email protected]:~$ show lldp neighbors detail 
2020-04-18T13:05:42 [WARN/control] unable to connect to socket /var/run/lldpd.socket: No such file or directory
2020-04-18T13:05:42 [WARN/lldpctl] not able to get the list of interfaces. Unable to connect to lldpd daemon
-------------------------------------------------------------------------------
LLDP neighbors:
-------------------------------------------------------------------------------

Details

Difficulty level
Easy (less than an hour)
Version
VyOS 1.3-rolling-202004180117
Why the issue appeared?
Design mistake
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)

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Event Timeline

Viacheslav created this task.Apr 18 2020, 1:21 PM
Viacheslav added a comment.Jul 23 2020, 4:25 PM

As workaround

vyos@r1-roll:~$ /usr/sbin/lldpctl -f plain 2> /dev/null 
-------------------------------------------------------------------------------
LLDP neighbors:
-------------------------------------------------------------------------------
c-po added a subscriber: c-po.EditedAug 3 2020, 2:35 PM

The problem exists when LLDP is not configured but one wants to run the detail command. Running "show lldp neighbors" is not possible when LLDP is not running - so should the the detail command.

vyos@vyos:~$ show lldp neighbors 
Service LLDP is not configured
vyos@vyos:~$ show lldp neighbors detail 
2020-08-03T14:44:45 [WARN/control] unable to connect to socket /var/run/lldpd.socket: No such file or directory
2020-08-03T14:44:45 [WARN/lldpctl] not able to get the list of interfaces. Unable to connect to lldpd daemon
-------------------------------------------------------------------------------
LLDP neighbors:
-------------------------------------------------------------------------------
vyos@vyos:~$
c-po renamed this task from LLDP op-mode error to LLDP: "show lldp neighbors detail" returns warnings when service is not configured.Aug 3 2020, 2:45 PM
c-po changed the task status from Open to In progress.
c-po claimed this task.
c-po triaged this task as Low priority.
c-po changed Difficulty level from Unknown (require assessment) to Easy (less than an hour).
c-po changed Why the issue appeared? from Will be filled on close to Design mistake.
c-po changed Is it a breaking change? from Unspecified (possibly destroys the router) to Perfectly compatible.
c-po closed this task as Resolved.Aug 3 2020, 3:10 PM
c-po moved this task from Need Triage to Finished on the VyOS 1.3 Equuleus board.Aug 3 2020, 3:31 PM
erkin set Issue type to Bug (incorrect behavior).Aug 30 2021, 6:49 AM
erkin removed a subscriber: Active contributors.
syncer edited projects, added VyOS 1.3 Equuleus (1.3.0); removed VyOS 1.3 Equuleus.Aug 29 2022, 7:13 PM
syncer moved this task from Need Triage to Finished on the VyOS 1.3 Equuleus (1.3.0) board.
aalmenar mentioned this in T6067: show lldp neighbors detail (detail not available) even when configured and running.Feb 26 2024, 10:19 AM