IPv6; MTU Problem?
> Can you pass me along a traceroute6 to 2a02:26f0:6a:18f::eed and I’ll pass
> it along to the Akamai NOC?
scamper is your friend here:
> cheesecake# scamper -I “trace -P udp -M 2a02:26f0:6a:18f::eed”
> traceroute from 2a03:8900:0:100::5 to 2a02:26f0:6a:18f::eed
> 1 2a03:8900:0:100::1 0.216 ms [mtu: 1500]
> 2 2a02:8900:0:200::209 0.216 ms [mtu: 1500]
> 3 2a01:258:8:3::1 0.634 ms [mtu: 1500]
> 4 2001:1900:5:2:2::2dd9 1.053 ms [mtu: 1500]
> 5 2001:1900:5:1::319 12.990 ms [mtu: 1500]
> 6 2001:1900:5:1::412 12.926 ms [mtu: 1500]
> 7 2001:1900:5:3::21e 11.290 ms [mtu: 1500]
> 8 2001:41a8:600::1e 26.975 ms [mtu: 1500]
> 9 2001:41a8:600:2::b6 27.529 ms [mtu: 1500]
> 10 *
> 11 2a02:26f0:6a::210:d9a3 25.227 ms [mtu: 1500]
> cheesecake#
This means no path mtu problems from as1197 to 2a02:26f0:6a:18f::eed.
Nick