-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi Gangur
On 02/10/13 17:24, Gangur, Hrushikesh (R & D HP Cloud) wrote: > http://techbackground.blogspot.co.uk/2013/06/path-mtu-discovery-and-gre.html Yeah > - - I read that already: sudo ip netns exec qrouter-d3baf1b1-55ee-42cb-a3f6-9629288e3221 traceroute -n 10.5.0.2 -p 44444 --mtu traceroute to 10.5.0.2 (10.5.0.2), 30 hops max, 65000 byte packets 1 10.5.0.2 0.950 ms F=1500 0.598 ms 0.566 ms The PMTU from the l3 gateway to the instance looks OK to me. > On 02/10/13 16:37, Jay Pipes wrote: >> Hi James, have you tried setting the MTU to a lower number of >> bytes, instead of a higher-than-1500 setting? Say... 1454 instead >> of 1546? > >> Curious to see if that resolves the issue. If it does, then >> perhaps there is a path somewhere that had a <1546 PMTU? > > Do you mean in instances, or on the physical servers? > > For context I hit this problem prior to tweaking MTU's (defaults > of 1500 everywhere). - -- James Page Ubuntu and Debian Developer [email protected] [email protected] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJSTErmAAoJEL/srsug59jDLzEQALqIhfbVeWwUCe/s+P/CLN3k EIH5koGJ69RiQDFhcIBSRzQw7FbwWznBAHHeemVn5OW/LcCKJQo9wLNX1K742pjz G2pDwVeJnwX/QVK95chyJ/4zZENpSiT/2fzlNje7H95eiKdRd6mvDSPsIjoEQ5Ci Cz4R1nvOoJj9cWOt5xCHtsmb5PX7O2D9zpCj/Al6ELH95zNfe7eyFSUcwZ/MEo9t e8VxAaKlg+AQ6bdYokssIrHU6osdHDGXY1/9z6ffbcrVXJnlDkzHx0DmN81qIPXV ros8OPZA51cVqVpEw2TvFbl5DZHukjOLGePsTKN6IcQ/2TtMdqqgbGdWAxO9iVFR SAQdVp9yM6J7XM4kZ//gj4Oc3g/jN9EHr8rP0tEFWlypomiBjG8sQeEuHlp6DFxQ IYacqOfWCozTDuQroj77Q9QUf4VV+ykVvTPFBHG7FiLAZyXRV5ueOlwHgAdysiyO rIYcxXYrU6RAAmuqXXnyu5awFd/s2qisuAXTjhQpN9mUuVB9ge/BRGLa1di4S/Wz sHAhT18h/JAxvyzARq9Qa0X8go87mM3Xoe5fivnvQrTNPQsoOxgaK6JVbTNG0pP2 bJbnRTBEjudSNlRo1WEfopsiz1HxYsN5tlpG0BabnkAsUqVjKP36tUQphe3e7S9R dFBngsPowBFLcBuBY7tp =FDK3 -----END PGP SIGNATURE----- _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : [email protected] Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
