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BGP FQDN capability not sending domain name
Open, NormalPublicFEATURE REQUEST

Description

Note the advertised "Hostname Capability:" neighbor capability:

[email protected]:~$ show ip bgp neighbors 192.168.64.12
BGP neighbor is 192.168.64.12, remote AS 4200000001, local AS 65001, external link
Hostname: sandbox.antelope.net
  BGP version 4, remote router ID 192.168.64.12, local router ID 192.168.79.1
  BGP state = Established, up for 00:48:38
  Last read 00:00:10, Last write 00:00:18
  Hold time is 60, keepalive interval is 20 seconds
  Neighbor capabilities:
    4 Byte AS: advertised and received
    AddPath:
      IPv4 Unicast: RX advertised IPv4 Unicast
    Route refresh: advertised
    Address Family IPv4 Unicast: advertised and received
    Hostname Capability: advertised (name: fw1.den1,domain name: n/a) received (name: sandbox,domain name: antelope.net)
    Graceful Restart Capabilty: advertised
...

The domain name is "n/a" meaning a zero byte domain is set. However, the domain name is set in the configuration:

[email protected]# show system domain-name
 domain-name antelope.net

I've filed another bug on the FQDN capability, which deals with the hostname portion after an image install + reboot, and appears unrelated to this problem.

Details

Difficulty level
Unknown (require assessment)
Version
1.3-rolling-202001311637
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)

Event Timeline

erkin set Issue type to Bug (incorrect behavior).Aug 31 2021, 5:47 PM
dmbaturin added a project: VyOS 1.4 Sagitta.
Viacheslav lowered the priority of this task from High to Normal.EditedJan 17 2024, 1:55 PM
Viacheslav edited projects, added VyOS 1.5 Circinus; removed VyOS 1.3 Equuleus (1.3.6).
Viacheslav changed the subtype of this task from "Bug" to "Feature Request".
Viacheslav added a subscriber: Viacheslav.

Domain name was never configured for FRR in our templates

r4# conf t
r4(config)# domainname 
  WORD  This system's domain name
r4(config)#