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From "Sangeetha Hariharan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-1218) Shared Network - After network restart with clean option , router is assigned a different Ipv6 address. Name resolution for the existing guest Vms in the network fails.
Date Fri, 08 Feb 2013 23:53:13 GMT
Sangeetha Hariharan created CLOUDSTACK-1218:
-----------------------------------------------

             Summary: Shared Network - After network restart with clean option , router is
assigned a different Ipv6 address. Name resolution for the existing guest Vms in the network
fails.
                 Key: CLOUDSTACK-1218
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1218
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server
    Affects Versions: 4.1.0
         Environment: Latest build from network refactor branch. 
            Reporter: Sangeetha Hariharan
            Assignee: Sheng Yang
             Fix For: 4.1.0


Create a Ipv6 Shared network.
Deploy few Vms.
Restart network with clean option.

After network restart , we see that the new router is being created.This router is assigned
a different Ipv6 address (compared to what was assigned to it earlier).

All the guest Vms still point to the older Ipv6 address for name resolution and hence the
name resolution between the Vms fail. 

Router: 

root@r-32-VM:~# ifconfig 
eth0 Link encap:Ethernet HWaddr 06:01:8c:00:00:33 
          inet6 addr: fc00:3:1370:0:d857:f566:e49c:4688/64 Scope:Global 
          inet6 addr: fe80::401:8cff:fe00:33/64 Scope:Link 
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 
          RX packets:113 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:1000 
          RX bytes:21142 (20.6 KiB) TX bytes:1296 (1.2 KiB) 


Guest Vm: 
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 fc00:3:1370::2103:a6ac:2c4d:fad4 
sangeetha@ubuntu-123:~$ 

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