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From "Sheng Yang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CLOUDSTACK-1464) IPV6 - Multi nic - Ubuntu 1210 -When Vm is stopped and started/ rebooted , i get multiple global IPV6 addresses being allocated for one of the nics.
Date Fri, 01 Mar 2013 02:59:12 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-1464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sheng Yang resolved CLOUDSTACK-1464.
------------------------------------

    Resolution: Won't Fix

Guest configuration issue, not controlled by CloudStack.

Don't know why ubuntu still got autoconf address even after we said autoconf=0.
                
> IPV6 - Multi nic - Ubuntu 1210 -When Vm is stopped and started/ rebooted , i get multiple
global IPV6 addresses being allocated for one of the nics.
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-1464
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1464
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.1.0
>         Environment: Latest build from networkrefactor branch
>            Reporter: Sangeetha Hariharan
>            Assignee: Sheng Yang
>             Fix For: 4.1.0
>
>
> IPV6 - Multi nic - Ubuntu 1210 -When Vm is stopped and started/ rebooted , i get multiple
global IPV6 addresses being allocated for one of the nics
> Create a dual stack network ,N1
> Create a dual stack network, N2.
> Deploy a VM - vm1 in N1 and N2.
> After Vm is started , we get the IPV6 address only for 1 NIC.
> To get the IPV6 address form the other NIC, we need to execute the dhclient command for
this nic.
> I have the following configuration set in /etc/network/interfaces:
> auto eth0
> iface eth0 inet dhcp
> iface eth0 inet6 dhcp
> autoconf 0
> accept_ra 1
> auto eth1
> iface eth1 inet dhcp
> iface eth1 inet6 dhcp
> autoconf 0
> accept_ra 0
> Now stop and start the Vms Or reboot Vms.
> I see multiple global IPV6 addresses being allocated for one of the nics. 
> sangeetha@ubuntu-123:~$ ifconfig
> eth0      Link encap:Ethernet  HWaddr 06:9c:7e:00:00:8e
>           inet addr:10.223.137.180  Bcast:10.223.137.191  Mask:255.255.255.192
>           inet6 addr: fe80::49c:7eff:fe00:8e/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:70 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:87 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:9255 (9.2 KB)  TX bytes:14662 (14.6 KB)
> eth1      Link encap:Ethernet  HWaddr 06:21:b4:00:00:4d
>           inet addr:10.223.137.70  Bcast:10.223.137.127  Mask:255.255.255.192
>           inet6 addr: fc00:3:1371:0:85f:9661:9764:f778/64 Scope:Global
>           inet6 addr: fc00:3:1371:0:90ba:887f:83ea:cd9/64 Scope:Global
>           inet6 addr: fc00:3:1371:0:421:b4ff:fe00:4d/64 Scope:Global
>           inet6 addr: fe80::421:b4ff:fe00:4d/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:26 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:4379 (4.3 KB)  TX bytes:5611 (5.6 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:16 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:1184 (1.1 KB)  TX bytes:1184 (1.1 KB)
> sangeetha@ubuntu-123:~$ ip addr show
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
>     inet6 ::1/128 scope host
>        valid_lft forever preferred_lft forever
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen
1000
>     link/ether 06:9c:7e:00:00:8e brd ff:ff:ff:ff:ff:ff
>     inet 10.223.137.180/26 brd 10.223.137.191 scope global eth0
>     inet6 fe80::49c:7eff:fe00:8e/64 scope link
>        valid_lft forever preferred_lft forever
> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen
1000
>     link/ether 06:21:b4:00:00:4d brd ff:ff:ff:ff:ff:ff
>     inet 10.223.137.70/26 brd 10.223.137.127 scope global eth1
>     inet6 fc00:3:1371:0:85f:9661:9764:f778/64 scope global
>        valid_lft forever preferred_lft forever
>     inet6 fc00:3:1371:0:90ba:887f:83ea:cd9/64 scope global temporary dynamic
>        valid_lft 604729sec preferred_lft 85729sec
>     inet6 fc00:3:1371:0:421:b4ff:fe00:4d/64 scope global dynamic
>        valid_lft 2591929sec preferred_lft 604729sec
>     inet6 fe80::421:b4ff:fe00:4d/64 scope link
>        valid_lft forever preferred_lft forever

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