Sangeetha Hariharan created CLOUDSTACK-1464:
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Summary: 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.)
Environment: Latest build from networkrefactor branch
Reporter: Sangeetha Hariharan
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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