bgpd: release manual vpn label on instance deletion (backport #18121) #18156
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When a BGP instance with a manually assigned VPN label is deleted, the label is not released from the Zebra label registry. As a result, reapplying a configuration with the same manual label leads to VPN prefix export failures. For example, with the following configuration: > router bgp 65000 vrf BLUE > address-family ipv4 unicast > label vpn export <int> Release zebra label registry on unconfiguration. Fixes: d162d5f ("bgpd: fix hardset l3vpn label available in mpls pool") Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com> (cherry picked from commit d636362) # Conflicts: # bgpd/bgpd.c
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Cherry-pick of d636362 has failed: To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally |
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When a BGP instance with a manually assigned VPN label is deleted, the label is not released from the Zebra label registry. As a result, reapplying a configuration with the same manual label leads to VPN prefix export failures.
For example, with the following configuration:
Release zebra label registry on unconfiguration.
Fixes: d162d5f ("bgpd: fix hardset l3vpn label available in mpls pool")
This is an automatic backport of pull request #18121 done by Mergify.