hi i have setting up on my debian b0x sixx tunnel with aiccu client and work perfectly... ping sims low all OK.. ---1tunnel debian:~# ifconfig sixxs sixxs Link encap:UNSPEC HWaddr 00-00-38-6E-01-40-90-FB-00-00-00-00-00-00-00-00 inet6 addr: 2001:1418:100:95::2/64 ---2tunnel debian:~# ifconfig zibibbo zibibbo Link encap:IPv6-in-IPv4 inet6 addr: 2001:760:202:f244::1/64 Scope:Global the second tunnel havent route..because all route pass trought sixxS exact command: firts tunnel make up by aiccu programm... the second: iptunnel add zibibbo mode sit remote 37.0.244.81 local any ttl 64 ifconfig zibibbo up ifconfig zibibbo inet6 add 2001:760:202:f244::1/64 initially all sims Work i test ping: -- debian:/etc/init.d# ping6 -I sixxs irc6.ngnet.it PING irc6.ngnet.it(irc6.ngnet.it) from 2001:1418:100:95::2 sixxs: 56 data bytes 64 bytes from irc6.ngnet.it: icmp_seq=1 ttl=60 time=105 ms debian:/etc/init.d# ping6 -I zibibbo irc6.ngnet.it PING irc6.ngnet.it(irc6.ngnet.it) from 2001:760:202:f244::1 zibibbo: 56 data bytes 64 bytes from irc6.ngnet.it: icmp_seq=1 ttl=50 time=333 ms --- so now i can use 2 tunnel on same machine...(teorically) So now i can Use that these ipv6 to ircnet...for exaPLe with simple 6tunnel... --with second tunnel-- debian:/etc/init.d# 6tunnel -s 2001:760:202:f244::b 6667 irc6.ngnet.it 6667 from mirc: /server 192.168.1.1 6667 *** Connecting to 192.168.1.1 (6667) Local host: gaspo (192.168.1.10) Please wait while we process your connection. Welcome to the Internet Relay Network ecccc.... --with sixxs's tunnel-- 6tunnel -s 2001:1418:100:95::2 6668 irc6.ngnet.it 6667 /server 192.168.1.1 6668 *** Connecting to 192.168.1.1 (6668) Local host: gaspo (192.168.1.10) *** Disconnected BUT NOW IF i made a simple PING6 on my machine with INTERFACE of SiXXs like: ping6 -I sixxs irc6.ngnet.it magically the 6tunnel WoRk with sixxs tunnell...and other Tunnel NOW not work.. debian:/etc/init.d# ping6 -I sixxs irc6.ngnet.it PING irc6.ngnet.it(irc6.ngnet.it) from 2001:1418:100:95::2 sixxs: 56 data bytes 64 bytes from irc6.ngnet.it: icmp_seq=1 ttl=60 time=136 ms /server 192.168.1.1 6668 *** Connecting to 192.168.1.1 (6668) Local host: gaspo (192.168.1.10) Please wait while we process your connection. Welcome to the Internet Relay Network ecc.. Anybody can tell me how is it possible? i have tried also with 3 tunnel...and the first woth route is Sixxs.. and same result .. When i do "ping6 -I sixxs" is seems like if i BIND and autorize only that interface to work..and if i change interface like "ping6 -I othertunnel" autorize only this t work... is impossibile im becoming crazy!! pls help me!!