[CentOS] Neighbour table overflow

Filipe Brandenburger filbranden at gmail.com
Fri Nov 28 17:43:46 UTC 2008


On Fri, Nov 28, 2008 at 07:20, Thomas Dukes <tdukes at sc.rr.com> wrote:
> When I ran the above, I'm not sure I'm getting a correct response.  It takes
> serval miuntes then returns:
> Printk: 100 messages suppressed
> Neighbour table overflow
> Printk: 15 messages suppressed
> 3

It looks like you have only 3 lines in your arp table, so it's really
hard to understand how it would overflow from that.

What does the output of "arp -a" look like?

You can also look at: cat /proc/net/arp

Please post the output of: sysctl -a | grep neigh

Do you have IPv6 enabled?


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