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From "Sangeetha Hariharan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-1461) Ipv6 - From a Vm that that is part of 2 networks, Name resolution fails for Vms that are part of non default network fails.
Date Fri, 01 Mar 2013 00:17:17 GMT
Sangeetha Hariharan created CLOUDSTACK-1461:
-----------------------------------------------

             Summary: Ipv6 - From a Vm that that is part of 2 networks, Name resolution fails
for Vms that are part of non default network fails. 
                 Key: CLOUDSTACK-1461
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1461
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
            Reporter: Sangeetha Hariharan


Ipv6 - From a Vm that that is part of 2 networks, Name resolution fails for Vms that are part
of non default network fails

Steps to reproduce the problem:

Create a dual stack network ,N1
Create a dual stack network, N2.

Deploy a VM - vm1 in N1 and N2.

Deploy a VM - vm2 in N2.


>From vm1 , try to reach vm2 using the vm-name.

DNS name resolution fails.
/etc/resolv.conf does not have the IPV4 address of the router that belongs to non default
networks.
It does have the IPV6 address of the router that belongs to non default networks.But seems
like it is not being used for name resolution.


sangeetha@ubuntu-123:~$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 10.223.137.66
nameserver fc00:3:1371::6a19:fed0:1932:3626
nameserver fc00:3:1370::a659:ce38:85fe:a024
search hello1371 hello1370
sangeetha@ubuntu-123:~$

sangeetha@ubuntu-123:~$ ifconfig
eth0      Link encap:Ethernet  HWaddr 06:7c:3c:00:00:4e
          inet addr:10.223.137.71  Bcast:10.223.137.127  Mask:255.255.255.192
          inet6 addr: fc00:3:1371:0:1111:3333:bbbb:ffff/64 Scope:Global
          inet6 addr: fe80::47c:3cff:fe00:4e/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:556 errors:0 dropped:0 overruns:0 frame:0
          TX packets:331 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:49282 (49.2 KB)  TX bytes:33852 (33.8 KB)

eth1      Link encap:Ethernet  HWaddr 06:22:cc:00:00:1d
          inet addr:10.223.137.12  Bcast:10.223.137.31  Mask:255.255.255.224
          inet6 addr: fc00:3:1370:0:81b8:c352:31e1:69e4/64 Scope:Global
          inet6 addr: fe80::422:ccff:fe00:1d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2003 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1634 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:188275 (188.2 KB)  TX bytes:223403 (223.4 KB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:18 errors:0 dropped:0 overruns:0 frame:0
          TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:4038 (4.0 KB)  TX bytes:4038 (4.0 KB)

sangeetha@ubuntu-123:~$



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