[NETVIRT-726] ECMP group is not updated after all next-hop VMs got deleted from Switch Created: 13/Jun/17  Updated: 02/Aug/17  Resolved: 02/Aug/17

Status: Resolved
Project: netvirt
Component/s: General
Affects Version/s: Carbon
Fix Version/s: None

Type: Bug
Reporter: Ravi Ranjan Assignee: Kency Kurian
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Operating System: All
Platform: All


Attachments: Zip Archive DeleteVM.zip    
External issue ID: 8681

 Description   

==>first configured a ECMP route on neutron router with 3 next-hop (2 VM on Switch1 and 1 VM on Switch2) and verified corresponding flows in Switches

group_id=150012,type=select,bucket=actions=group:150008,bucket=actions=group:150011,bucket=actions=resubmit(,220),set_field:fa:16:3e:09:8d:71->eth_dst,load:0x300->NXM_NX_REG6[],set_field:0x186a8->tun_id

==> Delete VM1 from Switch1 : Verfied local bucket got updated

group_id=150012,type=select,bucket=actions=group:150008,bucket=actions=resubmit(,220),set_field:fa:16:3e:09:8d:71->eth_dst,load:0x300->NXM_NX_REG6[],set_field:0x186a8->tun_id

==> Delete VM2 from Switch1 : Still local bucket is persist

group_id=150012,type=select,bucket=actions=group:150008,bucket=actions=resubmit(,220),set_field:fa:16:3e:09:8d:71->eth_dst,load:0x300->NXM_NX_REG6[],set_field:0x186a8->tun_id



 Comments   
Comment by Ravi Ranjan [ 13/Jun/17 ]

Attachment DeleteVM.zip has been added with description: karaf log and switch flow/group

Comment by Kency Kurian [ 02/Aug/17 ]

Couple of race conditions have been identified and fixed as part of:
1. https://git.opendaylight.org/gerrit/#/c/59752/
2. https://git.opendaylight.org/gerrit/#/c/59646/

Please verify the scenario again with the latest build.

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