On Wed, Jun 29, 2011 at 5:16 AM, William Salt <[email protected]>wrote:
> Hi all, thanks for the input. > We have now swapped the cards to em card at both ends, instead of igb at > one end, and em at the other. We are now seeing near gig speeds in both > directions. Before, we saw very different speeds in each direction. > > We have now managed to reach around 860-900mbps each way with the following > values in our sysctl.conf: > > kern.ipc.maxsockbuf=20971520 > net.inet.tcp.recvbuf_max=20971520 > net.inet.tcp.sendbuf_max=20971520 > net.inet.tcp.recvbuf_inc=524288 > net.inet.tcp.sendbuf_inc=524288 > > However, even though we can reach around the upper threshold of the > connection, we are seeing the boxes crash, or tcp performance hit the > miximum 860-900mbps then drop, and stick at around 8mbps, until a reboot. > > > I might add that we are running 32bit (i386) RC3 at both ends, with 6gb of > ram.(probably alot less in the OS, need to upgrade to x64) > > When i replicated these settings on two fresh boxes beyong the routers at > either end, i saw no performance increase... > > Regards > Will > Well that makes me uneasy about igb cards... I also have igb cards in my pfsense boxes waiting to upgrade to 2.0 final so I can start using them in production. Thanks, Chase Bolt
