Linode Forum :: Issue with ipv6 on debian

ip tunnel add sixxs mode sit local 70.85.16.63 remote 193.1.31.74
ip link set sixxs up
ip link set mtu 1280 dev sixxs
ip tunnel change sixxs ttl 64
ip -6 addr add 2001:770:100:37::2/64 dev sixxs
ip -6 ro add default via 2001:770:100:37::1 dev sixxs

root@debglade:~# ip tunnel add sixxs mode sit local 70.85.16.63 remote 193.1.31.74
ioctl: No buffer space available
root@debglade:~# ip link set sixxs up
root@debglade:~# ip link set mtu 1280 dev sixxs
root@debglade:~# ip tunnel change sixxs ttl 64
root@debglade:~# ip -6 addr add 2001:770:100:37::2/64 dev sixxs
root@debglade:~# ip -6 ro add default via 2001:770:100:37::1 dev sixxs
--------------------------------------------------------------
ifconfig sit0 up
ifconfig sit0 tunnel ::193.1.31.74
ifconfig sit1 up
ifconfig sit1 add 2001:770:100:37::2/64
route -A inet6 add 2000::/3 gw 2001:770:100:37::1 dev sit1
ip link set mtu 1280 dev sit0
ip tunnel change sit0 ttl 64
ip link set mtu 1280 dev sit1
ip tunnel change sit1 ttl 64

root@debglade:~# ifconfig eth0 inet6 del 2001:770:100:37::2/64
root@debglade:~# ifconfig sit0 up
root@debglade:~# ifconfig sit0 tunnel ::193.1.31.74
root@debglade:~# ifconfig sit1 up
sit1: ERROR while getting interface flags: No such device
root@debglade:~# ifconfig sit1 add 2001:770:100:37::2/64
SIOGIFINDEX: No such device
root@debglade:~# route -A inet6 add 2000::/3 gw 2001:770:100:37::1 dev sit1
SIOGIFINDEX: No such device
root@debglade:~# ip link set mtu 1280 dev sit0
root@debglade:~# ip tunnel change sit0 ttl 64
ttl != 0 and noptmudisc are incompatible
root@debglade:~# ip link set mtu 1280 dev sit1
SIOCSIFMTU: No such device
root@debglade:~# ip tunnel change sit1 ttl 64
ioctl: No such device

Author:	Joshua [ Wed Dec 08, 2004 6:23 pm ]
Post subject:	Issue with ipv6 on debian
Hey, On my server i am trying to install an ipv6 and i used slackware before and this script worked with slackware butdoes not work with my debian install. It adds the tunnel and the ip address to eth0 but it also adds /96 blocks that i did not ask it to and it does not seem to have a route to the tunnel. script: http://wolfnix.net/ipv6 ifconfig output: http://wolfnix.net/ifconfig traceroute6: debglade:/etc/bind# traceroute6 irc6.oftc.net traceroute to irc6.oftc.net (2001:968:1::6666) from 2001:618:400::4655:103f, 30 hops max, 16 byte packets 1 * * * debglade:/etc/bind# traceroute6 sixxs.net traceroute to sixxs.net (2001:838:1:1:210:dcff:fe20:7c7c) from 2001:618:400::4655:103f, 30 hops max, 16 byte packets 1 * * * Any help would be great Thanks Josh

Author:	benb [ Thu Dec 09, 2004 6:37 am ]
Post subject:
I use the hurricane electric V6 tunnel broker. Once you've got yourself an address allocated, this script works very well: http://us.cactii.net/ipv6.txt

Author:	Joshua [ Fri Dec 10, 2004 11:08 pm ]
Post subject:
i tried that i tried sixxs no luck. Below are some examples of issuse but when i used /etc/network/interfaces it set fine but i could not reach anything. Please Help! Quote: ip tunnel add sixxs mode sit local 70.85.16.63 remote 193.1.31.74 ip link set sixxs up ip link set mtu 1280 dev sixxs ip tunnel change sixxs ttl 64 ip -6 addr add 2001:770:100:37::2/64 dev sixxs ip -6 ro add default via 2001:770:100:37::1 dev sixxs root@debglade:~# ip tunnel add sixxs mode sit local 70.85.16.63 remote 193.1.31.74 ioctl: No buffer space available root@debglade:~# ip link set sixxs up root@debglade:~# ip link set mtu 1280 dev sixxs root@debglade:~# ip tunnel change sixxs ttl 64 root@debglade:~# ip -6 addr add 2001:770:100:37::2/64 dev sixxs root@debglade:~# ip -6 ro add default via 2001:770:100:37::1 dev sixxs -------------------------------------------------------------- ifconfig sit0 up ifconfig sit0 tunnel ::193.1.31.74 ifconfig sit1 up ifconfig sit1 add 2001:770:100:37::2/64 route -A inet6 add 2000::/3 gw 2001:770:100:37::1 dev sit1 ip link set mtu 1280 dev sit0 ip tunnel change sit0 ttl 64 ip link set mtu 1280 dev sit1 ip tunnel change sit1 ttl 64 root@debglade:~# ifconfig eth0 inet6 del 2001:770:100:37::2/64 root@debglade:~# ifconfig sit0 up root@debglade:~# ifconfig sit0 tunnel ::193.1.31.74 root@debglade:~# ifconfig sit1 up sit1: ERROR while getting interface flags: No such device root@debglade:~# ifconfig sit1 add 2001:770:100:37::2/64 SIOGIFINDEX: No such device root@debglade:~# route -A inet6 add 2000::/3 gw 2001:770:100:37::1 dev sit1 SIOGIFINDEX: No such device root@debglade:~# ip link set mtu 1280 dev sit0 root@debglade:~# ip tunnel change sit0 ttl 64 ttl != 0 and noptmudisc are incompatible root@debglade:~# ip link set mtu 1280 dev sit1 SIOCSIFMTU: No such device root@debglade:~# ip tunnel change sit1 ttl 64 ioctl: No such device

Author:	Joshua [ Fri Dec 10, 2004 11:16 pm ]
Post subject:
also when i fo ifconfig i get werid stuff in sit0 sit0 Link encap:IPv6-in-IPv4 inet6 addr: ::70.85.16.65/96 Scope:Compat inet6 addr: ::70.85.16.64/96 Scope:Compat inet6 addr: ::70.85.16.109/96 Scope:Compat inet6 addr: ::70.85.16.108/96 Scope:Compat inet6 addr: ::127.0.0.1/96 Scope:Unknown inet6 addr: ::70.85.16.63/96 Scope:Compat UP RUNNING NOARP MTU:1280 Metric:1 RX packets:38 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:3158 (3.0 KiB) TX bytes:0 (0.0 b)

Author:	benb [ Thu Dec 16, 2004 10:24 am ]
Post subject:
Quote: root@debglade:~# ip tunnel add sixxs mode sit local 70.85.16.63 remote 193.1.31.74 ioctl: No buffer space available Seems that you'll need to do the ipv6 config immediately after rebooting. Otherwise your memory might be too fragmented.

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