Re: Neighbour table overflow

Linux Advanced Routing and Traffic Control

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> What is the cause for such a message while running kernel 2.6.1 on RH9 ?
> 
> Neighbour table overflow.
> NET: 282 messages suppressed.
> Neighbour table overflow.

ARP table overflow,
do you have an interface on your router with a too wide netmask? 
/16 (255.255.0.0) maybe?
Do you have a lot of "(incomplete)" entries in "arp -n"?

Check that interface with "tcpdump -i eth? -n arp".

Probably some virus or port sniffer tries to scan your network.

-- 
Damjan Georgievski
jabberID: damjan@xxxxxxxxxxxx
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