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Bug 1933132

Summary: multicast traffic is not working on ovn-kubernetes
Product: Red Hat Enterprise Linux Fast Datapath Reporter: Victor Pickard <vpickard>
Component: OVNAssignee: Dumitru Ceara <dceara>
Status: CLOSED NOTABUG QA Contact: ying xu <yinxu>
Severity: high Docs Contact:
Priority: high    
Version: FDP 21.KCC: aconstan, alkaplan, anbhat, anusaxen, bbennett, ctrautma, danw, fiezzi, jishi, mduarted, phoracek, trozet, vpickard, weliang
Target Milestone: ---Keywords: Regression
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
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Clone Of: 1908762 Environment:
Last Closed: 2021-03-01 21:24:01 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1908762    
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Description Flags
tcpdump on mc pod mcast-rc-6hdtd none

Comment 1 Victor Pickard 2021-02-25 18:34:12 UTC 
Created attachment 1759371 [details]
tcpdump on mc pod mcast-rc-6hdtd
Comment 2 Victor Pickard 2021-03-01 21:25:35 UTC 
Closing this BZ. Root cause was issue in dual-stack ACL config in ovn-k8s. 

The other part is that I goofed when running omping tool. That tool has to be ran on all servers under test, I was only running the tool on one of the 2 servers (mc pods) under test.
Comment 3 Victor Pickard 2021-03-01 21:26:13 UTC 
This is the PR that fixes the issue, for reference:

https://github.com/ovn-org/ovn-kubernetes/pull/2076