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Bug #11847

closed

Filters not applied to PEER Groups

Added by Grant Gordon about 4 years ago. Updated over 2 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Jim Pingle
Category:
FRR
Target version:
-
Start date:
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
Affected Version:
Affected Plus Version:
Affected Architecture:

Description

When creating a Peer group and adding an AS/Prefix filter or route map to the peer group, the generated configuration does not apply the filters to the peer group. Applying them directly to a peer does.

Expected Output

neighbor DEFAULT_PEERS peer-group
neighbor DEFAULT_PEERS description Default Peer Group
neighbor DEFAULT_PEERS prefix-list default-routes out
neighbor DEFAULT_PEERS filter-list default-as-filter out
neighbor DEFAULT_PEERS route-map set-local-pref in

Actual Output

neighbor DEFAULT_PEERS peer-group
neighbor DEFAULT_PEERS description Default Peer Group

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 #2

Updated by Jim Pingle about 4 years ago

  • Status changed from New to Pull Request Review
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 #3

Updated by Renato Botelho almost 4 years ago

  • Status changed from Pull Request Review to Feedback
  • Assignee set to Viktor Gurov

PR has been merged. Thanks!

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 #4

Updated by Alhusein Zawi almost 4 years ago

Prefix filter is not showing up in configuration file if there is no added neighbor

router bgp 61000
no bgp network import-check
neighbor peergrouptest peer-group
neighbor peergrouptest remote-as 61000

after adding neighbor:

router bgp 61000
no bgp network import-check
neighbor peergrouptest peer-group
neighbor peergrouptest remote-as 61000
neighbor 172.17.99.211 remote-as 61000
!
address-family ipv4 unicast
neighbor 172.17.99.211 activate
no neighbor peergrouptest send-community
neighbor peergrouptest prefix-list prefixtest in
neighbor peergrouptest prefix-list prefixtest out
no neighbor 172.17.99.211 send-community
exit-address-family

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 #5

Updated by Azamat Khakimyanov over 2 years ago

  • Status changed from Feedback to Assigned
  • Assignee changed from Viktor Gurov to Jim Pingle

Tested on 22.05

I still see that filters are not applied to Peer group. But I don't think it's a Bug because:
1. I don't see any sense for having peer group without any members in it
2. when I added one member (BGP neighbor) to peer group I've created, filters immediately occurred in 'address-family ipv4 unicast' section. So having at least one member in peer group fixes this issue.

So as I understand, the reason for this behavior is that adding peer group into BGP config doesn't create 'address-family ipv4 unicast' section in Zebra/FRR configuration.

I would say we can close this Bug report.

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 #6

Updated by Jim Pingle over 2 years ago

  • Status changed from Assigned to Resolved
  • Start date deleted (04/23/2021)
  • % Done changed from 0 to 100
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