On 7/20/09, Olaf Selke <olaf.se...@blutmagie.de> wrote: > Lee schrieb: >> Considering how many places block ICMP, traceroute is not a good way >> to determine connectivity. >> >> telnet 89.248.169.109 80 >> works for me and traceroute doesn't: > > oops, you're right! The same here. I didn't notice that before. > Nevertheless blocking icmp at peering points is very unusual. Maybe path > mtu discovery is broken if icmp is completely blocked.
No maybe about it - if icmp is completely blocked path mtu discovery _is_ broken. 89.248.169.109 doesn't answer a ping, so I don't know of an easy way to check if that's the problem or no. Lee