TCP Connections failing on single node contrail with bond interface
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Juniper Openstack |
Incomplete
|
Undecided
|
Vinod Nair | ||
R2.0 |
Incomplete
|
Undecided
|
Vinod Nair |
Bug Description
On a Single node contrail with bond interface for data , tcp connections are failing as the SYN-ACK is not making it back to the client
A VM is spawned on A Single node contrail with bond interface. and FIP is allocated to it.
Pings to the FIP are ok but on initiating SSH to the VM, the SYN-ACK is not reaching the client.
Without Bond interface , there is no issue
Version :
contrail-
On Client :
12:13:26.146151 IP 10.87.132.150 > 10.87.125.2: ICMP echo request, id 12448, seq 1, length 64
12:13:26.148308 IP 10.87.125.2 > 10.87.132.150: ICMP echo reply, id 12448, seq 1, length 64
12:13:27.147469 IP 10.87.132.150 > 10.87.125.2: ICMP echo request, id 12448, seq 2, length 64
12:13:27.148110 IP 10.87.125.2 > 10.87.132.150: ICMP echo reply, id 12448, seq 2, length 64
12:13:42.579518 IP 10.87.132.150 > 10.87.125.2: ICMP echo request, id 12449, seq 1, length 64
12:13:42.581219 IP 10.87.125.2 > 10.87.132.150: ICMP echo reply, id 12449, seq 1, length 64
12:13:43.581437 IP 10.87.132.150 > 10.87.125.2: ICMP echo request, id 12449, seq 2, length 64
12:13:43.582154 IP 10.87.125.2 > 10.87.132.150: ICMP echo reply, id 12449, seq 2, length 64
12:13:59.725617 IP 10.87.132.150.50203 > 10.87.125.2.ssh: Flags [S], seq 3189576819, win 14600, options [mss 1460,sackOK,TS val 1132614452 ecr 0,nop,wscale 7], length 0
12:14:00.727143 IP 10.87.132.150.50203 > 10.87.125.2.ssh: Flags [S], seq 3189576819, win 14600, options [mss 1460,sackOK,TS val 1132615454 ecr 0,nop,wscale 7], length 0
12:14:02.729125 IP 10.87.132.150.50203 > 10.87.125.2.ssh: Flags [S], seq 3189576819, win 14600, options [mss 1460,sackOK,TS val 1132617456 ecr 0,nop,wscale 7], length 0
12:14:06.737130 IP 10.87.132.150.50203 > 10.87.125.2.ssh: Flags [S], seq 3189576819, win 14600, options [mss 1460,sackOK,TS val 1132621464 ecr 0,nop,wscale 7], length 0
12:14:14.745095 IP 10.87.132.150.50203 > 10.87.125.2.ssh: Flags [S], seq 3189576819, win 14600, options [mss 1460,sackOK,TS val 1132629472 ecr 0,nop,wscale 7], length 0
On VM
cpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
04:23:34.904313 IP 10.87.132.150 > 192.168.9.2: ICMP echo request, id 12448, seq 2, length 64
04:23:34.904343 IP 192.168.9.2 > 10.87.132.150: ICMP echo reply, id 12448, seq 2, length 64
04:23:50.337928 IP 10.87.132.150 > 192.168.9.2: ICMP echo request, id 12449, seq 1, length 64
04:23:50.337959 IP 192.168.9.2 > 10.87.132.150: ICMP echo reply, id 12449, seq 1, length 64
04:23:51.338906 IP 10.87.132.150 > 192.168.9.2: ICMP echo request, id 12449, seq 2, length 64
04:23:51.338955 IP 192.168.9.2 > 10.87.132.150: ICMP echo reply, id 12449, seq 2, length 64
04:24:07.484751 IP 10.87.132.150.50203 > 192.168.9.2.ssh: Flags [S], seq 3189576819, win 14600, options [mss 1420,sackOK,TS val 1132614452 ecr 0,nop,wscale 7], length 0
04:24:07.484972 IP 192.168.9.2.ssh > 10.87.132.
04:24:08.483934 IP 192.168.9.2.ssh > 10.87.132.
04:24:08.485067 IP 10.87.132.150.50203 > 192.168.9.2.ssh: Flags [S], seq 3189576819, win 14600, options [mss 1420,sackOK,TS val 1132615454 ecr 0,nop,wscale 7], length 0
04:24:08.485103 IP 192.168.9.2.ssh > 10.87.132.
04:24:10.483952 IP 192.168.9.2.ssh > 10.87.132.
04:24:10.487100 IP 10.87.132.150.50203 > 192.168.9.2.ssh: Flags [S], seq 3189576819, win 14600, options [mss 1420,sackOK,TS val 1132617456 ecr 0,nop,wscale 7], length 0
04:24:10.487128 IP 192.168.9.2.ssh > 10.87.132.
There are no drops in drop stats
dropstats | grep -v " 0$"
root@asmlc-
Flow Unusable 3
Flow Action Drop 1
Cloned Original 6
Fragment errors 11
root@asmlc-
Flow Unusable 3
Flow Action Drop 1
Cloned Original 6
Fragment errors 11
Changed in juniperopenstack: | |
milestone: | none → r2.0-fcs |
Changed in juniperopenstack: | |
milestone: | r2.0-fcs → none |
tags: | added: vrouter |
Changed in juniperopenstack: | |
assignee: | nobody → Anand H. Krishnan (anandhk) |
information type: | Proprietary → Public |
Changed in juniperopenstack: | |
status: | New → Incomplete |
Changed in juniperopenstack: | |
assignee: | Anand H. Krishnan (anandhk) → Vinod Nair (vinodnair) |
Can you please share your setup?