nanog mailing list archives
MTU issues s0.wp.com
From: Seth Mos <seth.mos () dds nl>
Date: Tue, 06 Nov 2012 13:33:39 +0100
Hi,Since about a week or so it's become impossible to reach wp.com content over IPv6.
IPv4 content does work fine, using the IPv6 literal returns a 404 which is small enough to fit in a smaller 1480 byte MTU.
I have another test site that has a clean 1500 byte mtu and I can fetch the s0.wp.com page from there.
It looks like tunneled IPv6 users might be in hurt here. Is anyone else experiencing similar issues?My traceroute shows they are employing a CDN for s0.wp.com, so not everyone might be affected.
7 asd2-rou-1022.NL.eurorings.net (2001:680:0:800f::291) 6.460 ms 6.203 ms 6.188 ms 8 asd2-rou-1044.eurorings.net (2001:680::134:222:85:63) 6.447 ms 6.494 ms 6.495 ms 9 adm-b5-link.telia.net (2001:2000:3080:6f::1) 6.818 ms 6.936 ms 6.891 ms 10 ldn-b3-v6.telia.net (2001:2000:3018:5::1) 15.290 ms 27.481 ms 15.380 ms 11 edgecast-ic-147468-ldn-b3.c.telia.net (2001:2000:3080:378::2) 15.116 ms 15.174 ms 15.176 ms 12 2606:2800:234:1922:15a7:17bf:bb7:f09 (2606:2800:234:1922:15a7:17bf:bb7:f09) 15.496 ms 15.327 ms 15.460 ms
Kind regards, Seth
Current thread:
- MTU issues s0.wp.com Seth Mos (Nov 06)
- Re: MTU issues s0.wp.com Timothy Morizot (Nov 06)
- Re: MTU issues s0.wp.com sthaug (Nov 06)
- Re: MTU issues s0.wp.com Jeroen Massar (Nov 06)
- Re: MTU issues s0.wp.com Matthew Luckie (Nov 06)
- Re: MTU issues s0.wp.com Brian Keefer (Nov 07)
- Re: MTU issues s0.wp.com Tassos Chatzithomaoglou (Nov 08)