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Prevent setting of a larger MTU on child interfaces
Closed, ResolvedPublic

Description

An MTU can be set on a child interface, such as a VLAN or QinQ, that is larger than the parent interface. It is not currently handled gracefully and instead produces a python error.

Example config:

set interfaces ethernet eth0 mtu 1500
set interfaces ethernet eth0 vif 1000 mtu 9000

Details

Difficulty level
Unknown (require assessment)
Version
-
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Stricter validation
Issue type
Bug (incorrect behavior)

Event Timeline

sdev changed the task status from Open to In progress.May 22 2021, 7:36 PM
sdev created this task.
sdev created this object in space S1 VyOS Public.
c-po triaged this task as Normal priority.
c-po added a project: VyOS 1.3 Equuleus.
SrividyaA set Issue type to Bug (incorrect behavior).Aug 31 2021, 5:56 PM