Re: CPU Utiliaztion on a ethernet bridge
Any firewall rules or logging mechanism?
El mar, 18-11-2003 a las 15:12, Simon Allard escribió:
> I have setup a linux box with a 2.4.19 kernel. I am bridging 2 ethernet
> devices together using 3Com PCI 3c982 Dual Port cards. (3c59x).
>
> What I am seeing is that the module itself uses 30% of CPU to handle just
> 10mbit both ways (20mbit total). ~6000ps total. From what I have read on
> the bridge homepages I should be able to run this on a 486 as CPU has
> nothing to do with it. What am I doing wrong?
>
>
> bridge:~# brctl show
> bridge name bridge id STP enabled interfaces
> br0 8000.000475c9a6f9 yes eth1
> eth2
>
>
> bridge:~# lsmod
> Module Size Used by Not tainted
> limiter 13064 0 (unused)
> bridge 16748 1
> 3c59x 25512 2
> sis900 12388 1
>
>
>
> bridge:~# cat /etc/modules
> # /etc/modules: kernel modules to load at boot time.
> #
> # This file should contain the names of kernel modules that are
> # to be loaded at boot time, one per line. Comments begin with
> # a #, and everything on the line after them are ignored.
> sis900
> 3c59x options=4,4,4,4 full_duplex=1,1,1,1 max_interrupt_work=10000
> bridge
> limiter
>
>
> in /etc/network/interfaces
> auto eth1
> iface eth1 inet loopback
>
> auto eth2
> iface eth2 inet loopback
>
> # Bridge Interface for eth1 + eth2
> auto br0
> iface br0 inet loopback
> pre-up brctl addbr br0
> up brctl addif br0 eth1
> up brctl addif br0 eth2
> up brctl stp br0 on
> down brctl delif br0 eth1
> down brctl delif br0 eth2
> post-down brctl delbr br0
>
>
>
>
>
> Does anyone have any ideas off the top of your head what could be
> causing this or be able to point me in the right direction for some
> documentation relating to this problem.
>
>
>
>
>
> Simon Allard (Senior Tool Monkey)
> IHUG
> Ph (09) 358-5067 Email: simon.allard@staff.ihug.co.nz
>
> I'm out of my mind right now, but feel free to leave a message.....
>
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