EVPN VXLAN: Ping to DNS server IP is failing after first packet
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Juniper Openstack | Status tracked in Trunk | |||||
R3.1 |
Fix Committed
|
High
|
Hari Prasad Killi | |||
R3.2 |
Fix Committed
|
High
|
Hari Prasad Killi | |||
R4.0 |
Fix Committed
|
High
|
Hari Prasad Killi | |||
Trunk |
Fix Committed
|
High
|
Hari Prasad Killi |
Bug Description
Trying with EVPN VXLAN changes for TSN HA (Agent and vrouter updated)
When pinging from BMS to DNS server IP, ping is failing after the first packet. In dropstats Flow Queue Limit Exceeded counter is increasing. FLow is stuck in Hold state.
root@5b11s16:~#
root@5b11s16:~# ping -I p2p1.6 1.1.1.2
PING 1.1.1.2 (1.1.1.2) from 1.1.1.3 p2p1.6: 56(84) bytes of data.
64 bytes from 1.1.1.2: icmp_seq=1 ttl=64 time=0.488 ms
^C
--- 1.1.1.2 ping statistics ---
4 packets transmitted, 1 received, 75% packet loss, time 3015ms
rtt min/avg/max/mdev = 0.488/0.
root@5b11s14:~# dropstats | grep -v " 0$"
Flow Queue Limit Exceeded 454
Discards 687
Cloned Original 1374
Invalid NH 9
root@5b11s14:~# dropstats | grep -v " 0$"
Flow Queue Limit Exceeded 464
Discards 695
Cloned Original 1390
Invalid NH 9
root@5b11s14:~# flow -l
Flow table(size 80609280, entries 629760)
Entries: Created 4 Added 0 Deleted 3 Changed 3 Processed 3 Used Overflow entries 0
(Created Flows/CPU: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0)(oflows 0)
Action:F=Forward, D=Drop N=NAT(S=SNAT, D=DNAT, Ps=SPAT, Pd=DPAT, L=Link Local Port)
Other:
Flags:E=Evicted, Ec=Evict Candidate, N=New Flow, M=Modified Dm=Delete Marked
TCP(r=reverse)
Index Source:
-------
226064 1.1.1.3:5610 1 (3)
(Gen: 4, K(nh):0, Action:H, Flags:, QOS:-1, S(nh):0, Stats:81/6804, SPort 0,
TTL 0, Sinfo 172.16.2.1)
Changed in juniperopenstack: | |
importance: | Undecided → High |
milestone: | none → r4.0.1.0 |
assignee: | nobody → Hari Prasad Killi (haripk) |
information type: | Proprietary → Public |
tags: | added: vrouter |
Hi Hari,
I have reproduced the issue. Please find the setup details below
Password (root/c0ntrail123)
Controller + TSN 10.87.69.1
TSN2 10.87.69.4
Agent 10.87.69.2
BMS 10.87.69.3 (Interface p2p1.6)
QFX:10.87.69.124 (root/Embe1mpls)
root@5b11s16:~# ping -I p2p1.6 17.17.17.2 662/0.662/ 0.000 ms
PING 17.17.17.2 (17.17.17.2) from 17.17.17.3 p2p1.6: 56(84) bytes of data.
64 bytes from 17.17.17.2: icmp_seq=1 ttl=64 time=0.662 ms
^C
--- 17.17.17.2 ping statistics ---
4 packets transmitted, 1 received, 75% packet loss, time 3015ms
rtt min/avg/max/mdev = 0.662/0.
Thanks and Regards,
Chhandak
On 9/6/17, 6:44 PM, "<email address hidden> on behalf of Jeba Paulaiyan" <<email address hidden> on behalf of <email address hidden>> wrote:
>** Also affects: juniperopenstac k/r4.0 k/trunk k/r4.0 k/r4.0 k/r4.0 k/trunk /bugs.launchpad .net/bugs/ 1715510 488/0.488/ 0.000 ms nh)=Key_ Next...
> Importance: Undecided
> Status: New
>
>** Also affects: juniperopenstac
> Importance: High
> Assignee: Hari Prasad Killi (haripk)
> Status: New
>
>** Changed in: juniperopenstac
> Importance: Undecided => High
>
>** Changed in: juniperopenstac
> Assignee: (unassigned) => Hari Prasad Killi (haripk)
>
>** Changed in: juniperopenstac
> Milestone: None => r4.0.1.0
>
>** Changed in: juniperopenstac
> Milestone: r4.0.1.0 => r4.1.0.0-fcs
>
>--
>You received this bug notification because you are a member of Contrail
>Systems engineering, which is subscribed to Juniper Openstack.
>https:/
>
>Title:
> EVPN VXLAN: Ping to DNS server IP is failing after first packet
>
>Status in Juniper Openstack:
> New
>Status in Juniper Openstack r4.0 series:
> New
>Status in Juniper Openstack trunk series:
> New
>
>Bug description:
> Trying with EVPN VXLAN changes for TSN HA (Agent and vrouter updated)
>
> When pinging from BMS to DNS server IP, ping is failing after the
> first packet. In dropstats Flow Queue Limit Exceeded counter is
> increasing. FLow is stuck in Hold state.
>
> root@5b11s16:~#
> root@5b11s16:~# ping -I p2p1.6 1.1.1.2
> PING 1.1.1.2 (1.1.1.2) from 1.1.1.3 p2p1.6: 56(84) bytes of data.
> 64 bytes from 1.1.1.2: icmp_seq=1 ttl=64 time=0.488 ms
> ^C
> --- 1.1.1.2 ping statistics ---
> 4 packets transmitted, 1 received, 75% packet loss, time 3015ms
> rtt min/avg/max/mdev = 0.488/0.
>
>
> root@5b11s14:~# dropstats | grep -v " 0$"
>
> Flow Queue Limit Exceeded 454
>
>
> Discards 687
> Cloned Original 1374
>
> Invalid NH 9
>
>
> root@5b11s14:~# dropstats | grep -v " 0$"
>
> Flow Queue Limit Exceeded 464
>
>
> Discards 695
> Cloned Original 1390
>
> Invalid NH 9
>
> root@5b11s14:~# flow -l
> Flow table(size 80609280, entries 629760)
>
> Entries: Created 4 Added 0 Deleted 3 Changed 3 Processed 3 Used Overflow entries 0
> (Created Flows/CPU: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0)(oflows 0)
>
> Action:F=Forward, D=Drop N=NAT(S=SNAT, D=DNAT, Ps=SPAT, Pd=DPAT, L=Link Local Port)
> Other:K(