Configure IPv6 routing
- by godlark
I've got IPv6 addresses from SIXXS. My host is connected with SIXXS network over a AICCU tunnel ("sixxs" interface). My host address is 2001:::2, the host on the end has address 2001:::1. On my host IPv6 is fully accessible.
I have problem with configuring IPv6 network on VMs. I use VirtualBox, the VM (Ubuntu) uses tap1 (on the host bridged by br0)
#!/bin/sh
PATH=/sbin:/usr/bin:/bin:/usr/bin:/usr/sbin
# create a tap
tunctl -t tap1
ip link set up dev tap1
# create the bridge
brctl addbr br0
brctl addif br0 tap1
# set the IP address and routing
ip link set up dev br0
ip -6 route del 2001:6a0:200:172::/64 dev sixxs
ip -6 route add 2001:6a0:200:172::1 dev sixxs
ip -6 addr add 2001:6a0:200:172::2/64 dev br0
ip -6 route add 2001:6a0:200:172::2/64 dev br0
Host: routing table:
2001:6a0:200:172::1 dev sixxs metric 1024
2001:6a0:200:172::/64 dev br0 proto kernel metric 256
2001:6a0:200:172::/64 dev br0 metric 1024
2000::/3 dev sixxs metric 1024
fe80::/64 dev eth0 proto kernel metric 256
fe80::/64 dev sixxs proto kernel metric 256
fe80::/64 dev br0 proto kernel metric 256
fe80::/64 dev tap1 proto kernel metric 256
default via 2001:6a0:200:172::1 dev sixxs metric 1024
Guest: interface eth1 (it is connected with tap1):
auto eth1
iface eth1 inet6 static
address 2001:6a0:200:172::3
netmask 64
gateway 2001:6a0:200:172::2
Guest: routing table
2001:6a0:200:172::/64 dev eth1 proto kernel metric 256
fe80::/64 dev eth0 proto kernel metric 256
fe80::/64 dev eth1 proto kernel metric 256
default via 2001:6a0:200:172::2 dev eth1 metric 1024
The guest pings to the host, the host pings to the guest, the host pings to 2001:6a0:200:172::1, but the guest doesn't ping to 2001:6a0:200:172::1. The guest tries to ping, on the host (by tcdump) I can capture its packets, but the host doesn't send them to 2001:6a0:200:172::1. What have I missed in configuration?
