(VxLAN OVSDB): Arp is not getting resolved across certain VNIs due to TSN not forwarding the vxaln encap packets to end vtep.
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Juniper Openstack | Status tracked in Trunk | |||||
R2.20 |
Fix Committed
|
High
|
Manish Singh | |||
Trunk |
Fix Committed
|
High
|
Manish Singh | |||
OpenContrail |
Fix Committed
|
High
|
Manish Singh |
Bug Description
CONTROL NODE IP: 10.94.189.54
GUI LOGIN: https:/
TSN: 10.94.189.88
H1====
|
|
ARP is getting resolved for VNI2300 but is not getting resolved for VNI2700.
When arp request is initiated from H2-->H1, arp request encapsulated with SRC IP=85.85.85.85 and DST-IP=12.1.1.2 is sent out to TSN.
tcpdump on TSN i can see the packets coming in. But TSN is not forwarding the packets back to 97.97.97.97.
For VNI 2300, tcpdump on TSN shows vxlan encap packets correctly but for VNI 2700 i see TSN is not encapsualting the packets backto remote vtep 97.97.97.97 as pasted below.
BELOW IS OUTPUTS FROM TSN(10.94.189.88) after arp request was initiated from H2--H1 FOR VNI2700
AS CAN BE SEEN BELOW TSN IS NOT ENCAPSULATING THE PACKET BACK TO 97.97.97.97 AFTER RECIVING BCAST PACKET FROM 85.85.85.85
FOR VNI 2700.
tcpdump: WARNING: p1p2: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on p1p2, link-type EN10MB (Ethernet), capture size 65535 bytes
13:29:36.835379 IP 85.85.85.85.5912 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835395 IP 85.85.85.85.3845 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835408 IP 85.85.85.85.20707 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835439 IP 85.85.85.85.15580 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835470 IP 85.85.85.85.19194 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835503 IP 85.85.85.85.7392 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835538 IP 85.85.85.85.5167 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835571 IP 85.85.85.85.26342 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835573 IP 85.85.85.85.23994 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835608 IP 85.85.85.85.25056 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835696 IP 85.85.85.85.2403 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835735 IP 85.85.85.85.21709 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835783 IP 85.85.85.85.26239 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835787 IP 85.85.85.85.5916 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835815 IP 85.85.85.85.32486 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835855 IP 85.85.85.85.25994 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835912 IP 85.85.85.85.29257 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835955 IP 85.85.85.85.31526 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.835998 IP 85.85.85.85.27746 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:36.836043 IP 85.85.85.85.26348 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:38.836142 IP 85.85.85.85.5912 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:38.836169 IP 85.85.85.85.3845 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:38.836202 IP 85.85.85.85.20707 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:38.836230 IP 85.85.85.85.15580 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
13:29:38.836260 IP 85.85.85.85.19194 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2700
^C994 packets captured
998 packets received by filter
0 packets dropped by kernel
root@cd-
BELOW IS OUTPUTS FROM TSN(10.94.189.88) after arp request was initiated from H2--H1 FOR VNI2300
AS CAN BE SEEN BELOW TSN IS ENCAPSULATING THE PACKET BACK TO 97.97.97.97
=====
root@cd-
tcpdump: WARNING: p1p2: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on p1p2, link-type EN10MB (Ethernet), capture size 65535 bytes
13:22:21.899463 IP 85.85.85.85.21226 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899485 IP 12.1.1.2.63299 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899491 IP 85.85.85.85.30780 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899496 IP 12.1.1.2.61876 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899502 IP 85.85.85.85.22882 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899507 IP 12.1.1.2.50166 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899523 IP 85.85.85.85.19212 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899527 IP 12.1.1.2.51163 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899572 IP 85.85.85.85.27748 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899580 IP 12.1.1.2.62838 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899583 IP 85.85.85.85.25094 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899587 IP 12.1.1.2.53670 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899617 IP 85.85.85.85.1253 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899624 IP 12.1.1.2.62006 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899642 IP 85.85.85.85.7284 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899646 IP 12.1.1.2.60054 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899678 IP 85.85.85.85.16349 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899681 IP 12.1.1.2.63654 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899697 IP 85.85.85.85.16634 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899700 IP 12.1.1.2.59702 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899726 IP 85.85.85.85.15408 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899729 IP 12.1.1.2.55402 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899754 IP 85.85.85.85.19195 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899757 IP 12.1.1.2.49749 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899783 IP 85.85.85.85.30604 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899786 IP 12.1.1.2.57292 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899811 IP 85.85.85.85.3324 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899813 IP 12.1.1.2.56205 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899839 IP 85.85.85.85.28362 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899842 IP 12.1.1.2.62744 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899901 IP 85.85.85.85.25610 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899903 IP 12.1.1.2.51194 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899933 IP 85.85.85.85.12298 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899936 IP 12.1.1.2.52515 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899961 IP 85.85.85.85.581 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899964 IP 12.1.1.2.65297 > 97.97.97.97.4789: VXLAN, flags [I] (0x08), vni 2300
13:22:21.899991 IP 85.85.85.85.20517 > 12.1.1.2.4789: VXLAN, flags [I] (0x08), vni 2300
root@cd-
root@cd-
== Contrail vRouter ==
supervisor-vrouter: active
contrail-
contrail-
contrail-
contrail-
contrail-
========Run time service failures=
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
/var/crashes/
root@cd-
Package Version Build-ID | Repo | Package Name
-------
contrail-
contrail-
contrail-lib 2.20-74 74
contrail-nodemgr 2.20-74 74
contrail-nova-vif 2.20-74 74
contrail-setup 2.20-74 74
contrail-utils 2.20-74 74
contrail-
contrail-
contrail-
contrail-
contrail-
python-contrail 2.20-74 74
python-
python-
python-nova 1:2014.
python-
root@cd-
Changed in juniperopenstack: | |
importance: | Undecided → High |
Changed in opencontrail: | |
importance: | Undecided → High |
Changed in juniperopenstack: | |
assignee: | nobody → Manish Singh (manishs) |
Changed in opencontrail: | |
assignee: | nobody → Manish Singh (manishs) |
tags: |
added: vrouter removed: qfx |
tags: | added: releasenote |
Changed in opencontrail: | |
status: | New → Fix Committed |
http:// cd-st-lnxserver 16.dcbg. juniper. net:8085/ Snh_Layer2Route Req?x=2682
Agent has the configs
however dont see the vxlan id on vrouter st-lnxserver16: /var/log/ contrail# vxlan --get 2700
root@cd-
VXLAN Table
VNID NextHop
----------------
Error: No such file or directory