1gbit LFN WAN link - odd tcp behavior

2011-06-27 Thread William Salt
Hi All, For the last couple of months i have been pulling my hair out trying to solve this problem. We have a 1Gbps transatlantic link from the UK to the US, which has successfully passed the RFC2544 test. At either end, we have a media converter, and a supermicro server with an intel qua

Intel 10GbE Tuning under freebsd

2011-05-19 Thread William Salt
Hi All, I have just got a couple of 10GbE intel X520-DA2 cards to test. Im running freebsd 8.1 on a super micro intel xeon server, and a hp core 2 duo workstation, both machines have 4gb of ram. Both are attached via sfp+ cables to a brocade turbo iron switch, which simply has jumbo frames