Jeff Drago wrote: > Hello - first post here , hopefully it is the right forum. > > I recently setup a bgp box on top of OPENBSD 5.5 Generic.MP, with 6 > INTEL EM nics.The problem is that when I get 700Mbits in one > interface, the CPU is peaking at 88% (interrupt). > > I read about interrupt moderation and I dont know how to play with > that in my box. is it the case to update the NIC driver? here is the > reference that the NIC supports int > moderation:http://download.intel.com/design/network/applnots/ap450.pdf > > Not sure how to turn that on or off in OpenBSD. Any help is greatly > appreciated. Here is the spec for the box (NETMAP > L-800)http://www.serveru.us/en/images/ServerU/Folder-Brochure_en.pdf
5.5 is no longer supported. Upgrade sequentially (5.5 -> 5.6, 5.6 -> 5.7, 5.7 -> 5.8) and see if that fixes it. I've seen a huge network performance improvement over that series of upgrades. Also, if the problem persists, please include a dmesg with your next email. Thanks, Michael