Merge pull request #1228 from hjensas/OSPRH-25988-disable-IGMP

Disable IGMP snooping to avoid issues with DHCPv6

Author: openshift-merge-bot[bot]

scenarios/uni04delta-ipv6/config_download.yaml

@@ -69,7 +69,8 @@ parameter_defaults:
   ComputeHostnameFormat: '%stackname%-compute-%index%'
   EnableVLANTransparency: true
   NeutronServicePlugins: 'qos,ovn-router,trunk,segments,log'
-  NeutronEnableIgmpSnooping: true
+  # OSPRH-25988: Disable IGMP snooping to avoid issues with DHCPv6
+  NeutronEnableIgmpSnooping: false
   OVNEmitNeedToFrag: false
   NeutronNetworkVLANRanges: 'datacentre:1000:2000'
   NeutronTypeDrivers: 'geneve,vlan,flat,local'