hi, my tunnel doesn't work anymore (but did fine until today i resetted my router, wrt54). symptoms: no reply from remote. i'm using aiccu: * Service aiccu starting Tunnel Information for T2148: POP Id : deham01 IPv6 Local : 2001:6f8:900:f2::2/64 IPv6 Remote : 2001:6f8:900:f2::1/64 Tunnel Type : 6in4-heartbeat Adminstate : enabled Userstate : enabled * Service aiccu started after that my syslog says: Aug 23 09:28:32 [aiccu] TIC Server does not support TLS but TLS is not required, continuing_ Aug 23 09:28:33 [aiccu] Succesfully retrieved tunnel information for T2148_ Aug 23 09:28:33 [aiccu] AICCU running as PID 15202_ Aug 23 09:28:33 [kernel] sixxs: Disabled Privacy Extensions # /usr/sbin/aiccu test Tunnel Information for T2148: POP Id : deham01 IPv6 Local : 2001:6f8:900:f2::2/64 IPv6 Remote : 2001:6f8:900:f2::1/64 Tunnel Type : 6in4-heartbeat Adminstate : enabled Userstate : enabled ioctl: No buffer space available RTNETLINK answers: File exists RTNETLINK answers: File exists ####### ... and so on ... all local pinging works fine. but no reply from 2001:6f8:900:f2::1. my routing table: Ziel Nächster Hop Flags Metric Ref Benutzer Iface ::1/128 :: U 0 291 1 lo 2001:6f8:900:f2::2/128 :: U 0 0 1 lo 2001:6f8:900:f2::/64 :: U 256 1 0 sixxs 2001:6f8:9ba::/128 :: U 0 691353 1 lo 2001:6f8:9ba::/48 :: U 256 0 0 eth0 fe80::a00:5/128 :: U 0 0 1 lo fe80::230:1bff:fe43:725d/128 :: U 0 0 1 lo fe80::/64 :: U 256 0 0 eth0 fe80::/64 :: U 256 0 0 sixxs ff00::/8 :: U 256 0 0 eth0 ff00::/8 :: U 256 0 0 sixxs ::/0 2001:6f8:900:f2::1 UG 1024 55 0 sixxs i don't filter icmp or icmp6. i'm using nat, but i haven't changed any configuration since the last working ipv6-configuration. # ping6 -c3 2001:6f8:900:f2::1 PING 2001:6f8:900:f2::1(2001:6f8:900:f2::1) 56 data bytes --- 2001:6f8:900:f2::1 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 2008ms and of course, there is no significant timedrift to the remote point. my system: gentoo linux, 2.6.22-gentoo-r2, glibc 2.5-r4, aiccu 2007.01.15. but, as i said, i haven't changed any configuration and sixxs worked fine for many weeks or months now... i hope anyone can help me. thanks! cu sven