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Table 254 is a default table and must not be used for VRF
Closed, ResolvedPublicBUG

Description

Table 254 is a default table and must not be used for VRF
Without VRF:

vyos@r14:~$ show ip route ta
table  tag    
vyos@r14:~$ show ip route table all
Codes: K - kernel route, C - connected, L - local, S - static,
       R - RIP, O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
       T - Table, v - VNC, V - VNC-Direct, A - Babel, F - PBR,
       f - OpenFabric, t - Table-Direct,
       > - selected route, * - FIB route, q - queued, r - rejected, b - backup
       t - trapped, o - offload failure

VRF default table 254:
S>* 0.0.0.0/0 [1/0] via 192.168.122.1, eth0, weight 1, 03:06:07
C>* 192.0.2.0/24 is directly connected, eth1, weight 1, 03:06:11
L>* 192.0.2.1/32 is directly connected, eth1, weight 1, 03:06:11
C>* 192.168.122.0/24 is directly connected, eth0, weight 1, 03:06:13
L>* 192.168.122.14/32 is directly connected, eth0, weight 1, 03:06:13
vyos@r14:~$

Add a VRF with the table 254 and delete this VRF

set vrf name foo table 254 
commit
deleve vrf
commit

commit:

Report time:      2025-05-30 11:43:01
Image version:    VyOS 1.4.2
Release train:    sagitta

Built by:         VyOS Networks Iberia S.L.U.
Built on:         Tue 01 Apr 2025 17:21 UTC
Build UUID:       01cfd92d-64ae-406c-83f7-bc75e509b75a
Build commit ID:  9cc58255f19640-dirty

Architecture:     x86_64
Boot via:         installed image
System type:      KVM guest

Hardware vendor:  QEMU
Hardware model:   Ubuntu 24.04 PC (i440FX + PIIX, 1996)
Hardware S/N:     
Hardware UUID:    ad13b889-f13f-4004-9573-912c229de0a5

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/vrf.py", line 362, in <module>
    apply(c)
  File "/usr/libexec/vyos/conf_mode/vrf.py", line 349, in apply
    frr_cfg.load_configuration(zebra_daemon)
  File "/usr/lib/python3/dist-packages/vyos/frr.py", line 437, in load_configuration
    self.imported_config = get_configuration(daemon=daemon)
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/frr.py", line 152, in get_configuration
    raise OSError(code, output)
PermissionError: [Errno 1] Exiting: failed to connect to any daemons.



delete [ vrf ] failed
Commit failed

Details

Version
VyOS 1.4.2
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)