Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

bgpd: Do not suppress conditional advertisement updates if triggered #14628

Conversation

ton31337
Copy link
Member

Closes #14598

If we have a prefix-list with one entry, and after some time we append a prefix-list
with some more additional entries, conditional advertisement is triggered, and the
old entries are suppressed (because they look identical as sent before).

Hence, the old entries are sent as withdrawals and only new entries sent as updates.

Force re-sending all BGP updates for conditional advertisement. The same is done
for route-refresh, and/or soft clear operations.

Signed-off-by: Donatas Abraitis <[email protected]>
…routes

If we modify the prefix-list that is used to define the routes to be
advertised, all of them MUST be advertised.

Signed-off-by: Donatas Abraitis <[email protected]>
@frrbot frrbot bot added bgp tests Topotests, make check, etc labels Oct 20, 2023
@ton31337
Copy link
Member Author

@Mergifyio backport dev/9.1 stable/9.0

@mergify
Copy link

mergify bot commented Oct 20, 2023

backport dev/9.1 stable/9.0

✅ Backports have been created

@donaldsharp donaldsharp merged commit 01d84db into FRRouting:master Oct 23, 2023
ton31337 added a commit that referenced this pull request Oct 23, 2023
bgpd: Do not suppress conditional advertisement updates if triggered (backport #14628)
ton31337 added a commit that referenced this pull request Oct 24, 2023
bgpd: Do not suppress conditional advertisement updates if triggered (backport #14628)
@ton31337 ton31337 deleted the fix/bgpd_conditional_advertisement_static_routes_withdrawn branch October 25, 2023 04:50
@ton31337
Copy link
Member Author

@Mergifyio backport stable/8.5

@mergify
Copy link

mergify bot commented Oct 25, 2023

backport stable/8.5

✅ Backports have been created

donaldsharp added a commit that referenced this pull request Oct 25, 2023
bgpd: Do not suppress conditional advertisement updates if triggered (backport #14628)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
Projects
None yet
Development

Successfully merging this pull request may close these issues.

The BGP conditional advertisement feature causes existing routes being marked as unreachable
2 participants