In a intra-vn ping, arp for the peer VM IP did not show the VM MAC

[Vedamurthy Joshi]

Build 3.0 2522 Ubuntu-14-04 multi-node setup

Launched two vms within a VN

ping from 10.1.1.4 to 10.1.1.3 passed.
root@nodec22:~# nova list
+--------------------------------------+------+--------+------------+-------------+--------------+
| ID | Name | Status | Task State | Power State | Networks |
+--------------------------------------+------+--------+------------+-------------+--------------+
| fadeed16-3d68-41d8-b3f5-c7266c0dc995 | vm1 | ACTIVE | - | Running | vn1=10.1.1.3 |
| 36412e30-0e3a-4e56-b331-b25b629456d8 | vm2 | ACTIVE | - | Running | vn1=10.1.1.4 |
+--------------------------------------+------+--------+------------+-------------+--------------+
root@nodec22:~#

But arp table in 10.1.1.4 for IP 10.1.1.3 showed the VRRP mac of the agent instead of the real MAC of 10.1.1.3

ubuntu@vm2:~$ arp -an
? (10.1.1.1) at 00:00:5e:00:01:00 [ether] on eth0
? (10.1.1.2) at 00:00:5e:00:01:00 [ether] on eth0
ubuntu@vm2:~$ ping 10.1.1.3
PING 10.1.1.3 (10.1.1.3) 56(84) bytes of data.
64 bytes from 10.1.1.3: icmp_req=1 ttl=64 time=1.83 ms
^C
--- 10.1.1.3 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 1.835/1.835/1.835/0.000 ms
ubuntu@vm2:~$ arp -an
? (10.1.1.1) at 00:00:5e:00:01:00 [ether] on eth0
? (10.1.1.2) at 00:00:5e:00:01:00 [ether] on eth0
? (10.1.1.3) at 00:00:5e:00:01:00 [ether] on eth0
ubuntu@vm2:~$

ksync trace :

2015-01-12 10:15:46.384 KSyncEvent: object = Type : INET4_UNICAST Route Vrf : default-domain:admin:vn1:vn1 10.1.1.4/32 Type:1 Label : 17 Tunnel Type: 2NextHop Index: 22 Type: Interface <Interface : tap384b4a76-bf Index : 3> state = Init(0) event = Add/Change request(0) file = controller/src/ksync/ksync_object.cc line = 973
2015-01-12 10:15:46.384 KSyncRoute: info= [ addr = 10.1.1.4 vrf = 1 operation = ADD/CHANGE nh_idx = 22 mac = 00:00:00:00:00:00 type = INET4_UNICAST ] file = controller/src/vnsw/agent/vrouter/ksync/route_ksync.cc line = 488

[Hari Prasad Killi (haripk)]

Fixed with https://github.com/Juniper/contrail-controller/commit/9d1c36766e76778a066655dc75d2ce3330bb5046