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Bug 1672662

Summary: [RFE][OVN] Enhance L3HA to failover a gateway if the node hosting it loses external connectivity
Product: Red Hat Enterprise Linux Fast Datapath Reporter: Daniel Alvarez Sanchez <dalvarez>
Component: OVNAssignee: OVN Team <ovnteam>
Status: CLOSED CURRENTRELEASE QA Contact: Jianlin Shi <jishi>
Severity: medium Docs Contact:
Priority: medium    
Version: FDP 20.BCC: apevec, chrisw, ctrautma, dcbw, ekuris, lmartins, majopela, mmichels, tredaelli
Target Milestone: ---Keywords: FutureFeature, RFE
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Hardware: Unspecified   
OS: Unspecified   
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Last Closed: 2023-10-05 14:42:25 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Daniel Alvarez Sanchez 2019-02-05 14:57:29 UTC
Description of problem:
Right now, if a node hosting a gateway router port goes down, the next priority node will take over and host this router.

However, if the node loses the connectivity with the external network, the router won't be failover.


Steps to Reproduce:
1. Remove external connectivity to the node hosting a gw router with highest prio

Actual results:
Check that the router has not been taken over by another node.


Expected results:
The expected behavior is that the next node with highest priority and external connectivity takes over the gw port(s).


Additional info:
It has to be taken into account that if the monitored destination of the external network goes down, the last chassis has to still host the gw port or no node will host the router (needed for VLAN tenant networks for example)

Comment 1 Miguel Angel Ajo 2019-02-05 15:09:16 UTC
*** Bug 1562746 has been marked as a duplicate of this bug. ***

Comment 5 Mark Michelson 2023-10-05 14:42:25 UTC
I'm closing this because I believe the BFD support added to OVN in 2021 fulfills the request asked for in this issue.