-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Wed, 28 May 2014 10:16:39 PM Russell Coker wrote:
Has anyone had any experience with 10GigE?
Yeah, we've been using it since 2010. The biggest issue we had was with a big Force10 C300 switch that was intended to be a router but failed to implement sending PMTUD correctly (at all). Caused chaos until we realised what was happening and set up routes with specified MTUs to avoid PMTUD. The 2012 upgrade obsoleted that switch as all our heavy internal networking is now over QDR and FDR14 Infiniband instead. Our external connectivity is 10gigE and we use both Intel and Mellanox 10gigE NICs under Debian Wheezy and RHEL6 without issues. We've did have issues with RHEL5 and Mellanox 10gigE cards where (for example) traffic from VLAN4 arriving on the fibre plugged into eth1 appear on the interface eth0, even if there is no fibre plugged into eth0 and the kernel has reported the interface as down. Unplugging eth1 stops the traffic arriving on eth0. Traffic that is meant to arrive on eth0 appears on eth0 as expected and does go away if eth0 is unplugged. We reported that against RHEL5.5 (November 2010) and it finally got fixed in RHEL5.9 (January 2013), 26 months later, released just after the hardware in question got decomissioned. :-( How's that? cheers, Chris - -- Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQEVAwUBU4c03o1yjaOTJg85AQKIvgf+K4lk9xBMq15jRjH91Xp7qi/N2ss52Efg iCuADi2t+rwIHRa1g0Y8bgvBNXG1aMOSMe2Zy6p0WybB+BJlvNsZ7Ue1kfl+duKO rv2c257R3gjW0q5K4NxToeW7V0EE1E/pZ35P/3zL+Ns//BLvb28eWw8J8fY+IC+r izcIGB1g3slGuEfOoPzDfg4abI89TI/NI6n2ufNnBU5g8xOSWA+P4oY9M4KpY/SC uBoxwRdefw1ToEBP3xXt5Tu48ZLhTOsLXaW+eRTdceRTW3flxH4Ck2SU2ciHh4+2 Vz3Y5iTAtQSUgnGrRIwzcFiIZCA/6Rsm+Sa8mHcXSHcQATp/tFqlhA== =r/kZ -----END PGP SIGNATURE-----