[Cialug] ARP cache overflow

[Daniel Wittenberg]

I haven't seen this myself with the tg3 driver, even on heavily loaded
systems.  However, most manufacturers tell you to use the bcm5700 driver
instead as it's more stable and higher throughput.

Dan

On Tue, 2004-11-30 at 11:54 -0600, David Champion wrote:
> Has anyone else had trouble with ARP cache overflows? The symptoms I'm 
> seeing:
> 
> - dmesg has a lot of "Neighbor table overflow" messages
> - named showing a bunch of "error sending response: not enough free 
> resources" in /var/log/messages.
> 
> I've done some googling around... some people blame it on a bad ethernet 
> driver for the Broadcom chipset I have - it's the "tg3" driver. Others 
> say it can be caused by a machine on the LAN that's spoofing their MAC 
> address, and causing the switches to broadcast all packets (it becomes a 
> repeater instead of a switch), so they can run a packet sniffer on all 
> of the traffic.
> 
> -dc
> 
> _______________________________________________
> Cialug mailing list
> Cialug@cialug.org
> http://cialug.org/mailman/listinfo/cialug
-- 
======================
Daniel Wittenberg
RHCE
President/CTO
The Starken Group Ltd.
http://www.starken.com