IPv6 Routing Problem
Shadow Hawkins on Saturday, 05 May 2012 14:11:09
Hello Again
Now I've tried to expand my IPv6 network a bit and I'm struggling with the routing in my network.
Please take a look at http://dug.im/6fbf5 to view my network setup. Both routers are Debian 2.6.32. Router1 is connected to the IPv6 internet via a SixXS AYIYA tunnel (configured via AICCU).
First I will list the thing I'm currently possible to don and the tings I can't do now.
* From XP1, I'm able to ping all the interface in Router1 and eth0 in Router2. Unfortunately, I can't ping to eth1 in Router2, XP2 nor to the begin-point of the SixXS tunnel (at the side of SixXS, the IP on my side replies)
* From Router1, I'm able to ping every interface of XP1 & Router2, except to XP2
* From Router2, I'm able to ping every interface of XP1, Router1 and XP2 except I can't ping to the begin-point of the SixXS tunnel
* From XP2, I only can ping the interfaces of Router2, I can't ping to any other interface
Router1 provides via RADVD an IPv6 address to XP1 via eth0 and Router2 provides one via RADVD to XP2 via eth1
Here you have the /etc/network/interfaces of Router1
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface towards XP1
auto eth0
allow-hotplug eth0
iface eth0 inet6 static
address 2001:470:1f12:c67::1
netmask 64
# The Secundary network interface towards the internet
auto eth1
allow-hotplug eth1
iface eth1 inet dhcp
# The Third network interface towards Router2
auto eth2
iface eth2 inet6 static
address 2001:470:1f12:c66::1
netmask 64
And here you have /etc/network/interface from Router2
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface towards Router1
auto eth0
iface eth0 inet6 static
address 2001:470:1f12:c66::2
netmask 64
gateway 2001:470:1f12:c66::1
# The Secundary network interface towards XP2
auto eth1
iface eth1 inet6 static
address 2001:470:1f12:c65::1
netmask 64
Here you have the routing table of Router1
2001:470:1f12:c66::/64 dev eth2 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
2001:470:1f12:c67::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
2001:6f8:202:2f7::/64 dev sixxs proto kernel metric 256 mtu 1280 advmss 1220 hoplimit 0
fe80::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
fe80::/64 dev eth2 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
fe80::/64 dev eth1 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
fe80::/64 dev sixxs proto kernel metric 256 mtu 1280 advmss 1220 hoplimit 0
default via 2001:6f8:202:2f7::1 dev sixxs metric 1024 mtu 1280 advmss 1220 hoplimit 0
And also the routing table of Router2
2001:470:1f12:c65::/64 dev eth1 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
2001:470:1f12:c66::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
fe80::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
fe80::/64 dev eth1 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 0
default via 2001:470:1f12:c66::1 dev eth0 metric 1 mtu 1500 advmss 1440 hoplimit 0
I already tried to add a route to subnet c65::/64 in Router1 by following command
ip -6 route add 2001:470:1f12:c65::/64 dev eth2
but when I did that it didn't solved my problem but made it worse, I wasn't able to ping eth1 from Router1.
Andy Idea?
Thanks for your help already.
IPv6 Routing Problem
Jeroen Massar on Sunday, 06 May 2012 10:29:12
You cannot route non-SixXS space over your tunnel.
IPv6 Routing Problem
Shadow Hawkins on Monday, 07 May 2012 18:49:59
Thanks, that solved my issue!!
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