--- Original message --- From: "Cristiano Deana" <cristiano.de...@gmail.com> Date: 16 July 2014, 18:32:44
> Hi all, > > I'm gonna setup a Dell 1955 to use as router. Dual xeon dual core, > with these network cards: > > # pciconf -lv | grep -B2 network > vendor = 'Broadcom Corporation' > device = 'NetXtreme II BCM5708S Gigabit Ethernet' > class = network > -- > vendor = 'Intel Corporation' > device = '82546GB Gigabit Ethernet Controller' > class = network > -- > vendor = 'Intel Corporation' > device = '82546GB Gigabit Ethernet Controller' > class = network > -- > vendor = 'Broadcom Corporation' > device = 'NetXtreme II BCM5708S Gigabit Ethernet' > class = network > > Now I have a similar machine, with only one CPU and using vlan based > interfaces. > A week ago I started collect flow data from interfaces with ng_flow > and I have a high CPU usage: > CPU 0: 0.0% user, 0.0% nice, 0.0% system, 21.7% interrupt, 78.3% idle > CPU 1: 0.0% user, 0.0% nice, 1.6% system, 23.6% interrupt, 74.8% idle > This is right now, with low traffic, so I'm gonna upgrade with new system > Try to do these steps: 1) Go to the site DELL and see update firmware for embedded NICs. 2) Get a output sysctl kern.eventtimer.choice, and if there is LAPIC, try to change eventtimer 3) Disable options RXCSUM, TXCSUM, TSO4 from network cards Broadcom: ifconfig bce0 -rxcsum -txcsum -tso .... ifconfig bce1 -rxcsum -txcsum -tso .... -- Vladislav V. Prodan System & Network Administrator support.od.ua _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
