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https://issues.apache.org/jira/browse/CLOUDSTACK-1461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13590164#comment-13590164
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Sheng Yang commented on CLOUDSTACK-1461:
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It's not related to IPv6. The ipv4 nameserver is unset in /etc/resolv.conf.
> 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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