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Make “default no-ipv4-unicast” the default setting
Open, Requires assessmentPublicFEATURE REQUEST


No having it does cause surprises when route-maps are not applied when the peer comes up. Changing it will cause surprise to existing users.

The default should be changed but a migration script should add address-family ipv4-unicast to old configs so that existing config continue to work as before, being explicit about what's going on.

If there was no no-default-ipv4-unicast, insert "address-family ipv4-unicast" into existing neighbours that don't have it so that they work as before and clearly show that they allow both AFs.


Difficulty level
Unknown (require assessment)
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Improvement (missing useful functionality)

Event Timeline

erkin set Issue type to Improvement (missing useful functionality).Aug 30 2021, 7:42 AM
erkin removed a subscriber: Active contributors.