when a large burst of udp flows are generated, some flows are getting into Hold state
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Juniper Openstack | Status tracked in Trunk | |||||
R3.0 |
Fix Committed
|
High
|
Praveen | |||
Trunk |
Fix Committed
|
High
|
Praveen |
Bug Description
R3.0 Build 2704 Ubuntu 14.04 Kilo multi-node setup
Using the flow_test_pktgen.sh , generated 20K udp packets in 1 second.
export PPS=20000; bash -x flow_test_pktgen.sh 10.1.1.4 10.1.1.4 10.1.1.3 10000 30000 20000 02:76:aa:8c:4c:29
About 100-300 flows are getting into permanent Hold state.
Reproducible every time
Ex :
7208<=>463328 10.1.1.3:16290 17 (1)
(K(nh):14, Action:F, Flags:, S(nh):20, Statistics:0/0 UdpSrcPort 65062
7209 10.1.1.4:9 17 (1)
(K(nh):14, Action:H, Flags:, S(nh):0, Statistics:1/60 UdpSrcPort 0
gcore is in http:// 10.204. 216.50/ Docs/bugs/ 1539403