octavia/releasenotes/notes/fix-missing-masquerade-rules-in-dualstack-lbs-94f97606c5804b36.yaml
Gregory Thiemonge 5c051a6ab6 Fix incorrect masquerade rules in multivip LBs
The up scripts of the interface files were called only when the
interface moved from down to up, it means that they were not called
during the update of the configuration of an interface. So if during an
update, if an ipv6 subnet was plugged while the ipv4 subnet was already
there, the up script that sets the masquerade rules was not called.

It broke connectivity for either ipv4 or ipv6 between the client and the
members in UDP listeners in multivip load balancers.

Closes-Bug: #2037943

Change-Id: Iad78de1764bc3a3f699b5feef9e58999d2efe613
2023-10-02 03:11:31 -04:00

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fixes:
- |
Fixed an issue when using UDP listeners in dual-stack (IPv4 and IPv6) load
balancers, some masquerade rules needed by UDP were not correctly set on the
member interfaces.