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Prevent to create VRF name default
Closed, ResolvedPublicBUG

Description

If you try to create VRF with name default, CLI will return backtrace

[email protected]# set vrf name default table 301
[edit]
[email protected]# commit
[ vrf ]
VyOS had an issue completing a command.

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Report time:      2022-07-11 16:41:39
Image version:    VyOS 1.4-rolling-202207111030
Release train:    sagitta

Built by:         [email protected]
Built on:         Mon 11 Jul 2022 10:30 UTC
Build UUID:       e01c6354-40c7-48db-a889-09516d7b1d31
Build commit ID:  21bd5b37f6f287

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

Hardware vendor:  QEMU
Hardware model:   Standard PC (i440FX + PIIX, 1996)
Hardware S/N:     
Hardware UUID:    bfc517bc-ef9a-40b5-8bc9-62575c9b5fee

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/vrf.py", line 263, in <module>
    apply(c)
  File "/usr/libexec/vyos/conf_mode/vrf.py", line 218, in apply
    vrf_if = Interface(name)
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/interface.py", line 314, in __init__
    if not self.iftype:
AttributeError: 'Interface' object has no attribute 'iftype'

noteworthy:
cmd 'ip -4 rule add pref 1000 l3mdev protocol kernel'
returned (out):

returned (err):
RTNETLINK answers: File exists
cmd 'ip -4 rule add pref 2000 l3mdev unreachable'
returned (out):

returned (err):
RTNETLINK answers: File exists
cmd 'ip -6 rule add pref 1000 l3mdev protocol kernel'
returned (out):

returned (err):
RTNETLINK answers: File exists
cmd 'ip -6 rule add pref 2000 l3mdev unreachable'
returned (out):

returned (err):
RTNETLINK answers: File exists
cmd 'ip link add default type vrf table 301'
returned (out):

returned (err):
RTNETLINK answers: Invalid argument

[[vrf]] failed
Commit failed
[edit]

Details

Difficulty level
Normal (likely a few hours)
Version
1.4-rolling-202207111030
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)

Related Objects

Mentioned In
1.3.2
1.3.2