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Bug 2188679

Summary:	Use stable hashing when routing packets over ECMP.
Product:	Red Hat Enterprise Linux Fast Datapath	Reporter:	Dumitru Ceara <dceara>
Component:	OVN	Assignee:	Dumitru Ceara <dceara>
Status:	CLOSED DUPLICATE	QA Contact:	Jianlin Shi <jishi>
Severity:	medium	Docs Contact:
Priority:	high
Version:	FDP 23.A	CC:	ctrautma, jiji, mmichels
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-10-09 08:00:52 UTC	Type:	Bug
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:	2188084
Bug Blocks:

Description Dumitru Ceara 2023-04-21 15:37:09 UTC

Description of problem:
The OVS kernel datapath hash is not a stable hash (see bug 2175716).  Once bug 2188084 is resolved ovn-controller can determine the type of hash is supported by the underlying datapath and decide whether to use "dp_hash" or "hash".

Comment 1 Dumitru Ceara 2023-07-13 14:41:46 UTC

Patch posted for review:
https://patchwork.ozlabs.org/project/ovn/list/?series=363729&state=*

Comment 2 OVN Bot 2023-07-20 17:02:58 UTC

ovn23.09 fast-datapath-rhel-9 clone created at https://bugzilla.redhat.com/show_bug.cgi?id=2224402

Comment 3 Dumitru Ceara 2023-10-09 08:00:52 UTC

Tracked via bug 2224402 which will be added to an errata.

*** This bug has been marked as a duplicate of bug 2224402 ***