Hi, I seem to be experiencing intermittent issues via gblon02. I received an email from the tunnel robot saying my tunnel had been down for a number of days. Bouncing the tunnel a few times allowed me to ping out again, but it seems that traceroutes are being blocked at the first hop:- mordor:~# traceroute6 noc.sixxs.net traceroute to noc.sixxs.net (2001:838:1:1:210:dcff:fe20:7c7c), 30 hops max, 80 byte packets 1 cl-10.lon-02.gb.sixxs.net (2a01:348:6:9::2) 0.084 ms !H 0.029 ms !H 0.028 ms !H mordor:~# traceroute6 ipv6.google.com traceroute to ipv6.google.com (2001:4860:a003::68), 30 hops max, 80 byte packets 1 cl-10.lon-02.gb.sixxs.net (2a01:348:6:9::2) 0.088 ms !H 0.028 ms !H 0.027 ms !H I'm not sure if this is intentional, but it has worked previously. Andy Smith.