-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On Mon, 2016-11-21 at 11:26 +1100, Mark Andrews wrote:
And the advertised MSS was what? On my box I'm seeing 1220 for IPv6 compared with 1460 for IPv4. 1220 shouldn't see PMTU problems.
--> 2001:8d8:100f:f000::2d5 syn w/ mss 1440 <-- 2001:8d8:100f:f000::2d5 syn,ack w/ mss 1420 --> 2001:8d8:100f:f000::2d5 ack --> 2001:8d8:100f:f000::2d5 GET / HTTP/1.1 <-- 2001:8d8:100f:f000::2d5 ack <-- 2001:8d8:100f:f000::2d5 data... data is a 1480 byte ipv6 packet: ip6.header.payload.length = 1440 which is the tcp packet tcp.header.length = 32 bytes tcp.data.size = 1408 bytes (http response) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEAREKAAYFAlgyRUYACgkQL6j7milTFsH8tgCeLB9E9C2pjFqgp1w2YpipmvzZ ib4Ani/cQmAgEo3QPfA9hMntGq4VLoO/ =mmCW -----END PGP SIGNATURE-----