also, you can try disable gro offload on physical interfaces https://bugs.launchpad.net/neutron/+bug/1252900
"ethtool --offload eth0 gro off" ----- Mail original ----- De: "Diaolin" <[email protected]> À: "Alexandre DERUMIER" <[email protected]> Cc: "pve-user pve.proxmox.com" <[email protected]> Envoyé: Mardi 29 Avril 2014 14:46:15 Objet: Re: [PVE-User] About GRE tunnels and the new OVS bridging Il 2014-04-29 14:29 Alexandre DERUMIER ha scritto: >>> No even with vxlan same disaster > > Are you sure that it's not a packet fragmentation problem ? > > mtu should be increase on physical switchs to handle the overhead of > vxlan (I think with ipsec too) > > http://www.borgcube.com/blogs/2012/03/vxlan-primer-part-2-lets-get-physical/ > > yes, the best effort with 1432 but in a Gigabit scenario this cannot produce WITHOUT encryption a 60% degradation... (i'm speaking about BEST results) I've written the patch but i will not distribute it until i find a valid motivation to use vxlan/gre instead of openvpn/VLAN I'm working on a openvpn solution for resolving the problem all automatic with mesh support Diaolin Diaolin --- S’à destacà l’ultima föia dal bósch nét crodàda l’ei, solàgna, ‘n mèzz ai sàssi e ‘ntant fis-ciava ‘n zìfol de oseleti a tegnìr vìo ‘l pensér che vèn matìna [Diaolin] _______________________________________________ pve-user mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
