PDT/Scale: Took 20 minutes to converge traffic after restart ovsdb-server/Contrail2.2
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Juniper Openstack | Status tracked in Trunk | |||||
R2.20 |
Fix Committed
|
High
|
Hari Prasad Killi | |||
Trunk |
Fix Committed
|
High
|
Hari Prasad Killi |
Bug Description
Were told with 2.2, this problem will go away..But the problem is still seen
Gnats:
1087763-1 edit PDT/Scale: Took 20 minutes to converge traffic after restart ovsdb-server/
=========copied from Gnats ====
Please refer to the topology and spirent chart attached. Restarted ovsdb-server on Leaf L1 that is running bidirectional traffic with S4 (VNI 50-950).
S4 ....OVSDB ....L1
Mac *03:05* *05:01*
Traffic stopped completely, took bouncy rides before converging after 20 minutes approx. Detail logs,ovsdbdump can be found at /volume/
While no traffic Recv on L1, it was observed S4 didn't had ovsdb remote mac
root@vdc-vcf-s4# run show ovsdb mac remote | match 05:01 | count
Count: 3 lines
{master:0}[edit]
root@vdc-vcf-s4# run show ethernet-switching table | match 05:01 | count
Count: 5 lines
tags: | added: blocker bms qfx |
information type: | Proprietary → Public |
Tried restarting ovsdb-server by cli as well as killing ovsdb-process by kill -9 command in QFX.
Mesured Broadcast and Unicast traffic loss. Observed following loss respectively
Brodcast 14-17 Sec (ARP Traffic. Tried 3 times)
Unicast 6-7 Sec (ICMP Traffic between BMS and Contrail VM. Tried 3 times)