[c-nsp] Cisco 1811 and ARP Limit?

[Rodney Dunn]

On Thu, Aug 24, 2006 at 02:48:59AM +1000, Skeeve Stevens wrote:
> 
> Hey all,
> 
> 	I have an 1811 with a rather large network behind it - a wireless
> one - with a couple of hundred devices.
> 
> 	There seems to be an issue at the moment which is leaning towards
> being an ARP problem.
> 
> 	Firstly.. Clearing the arp seems to help. but over a period of say
> 5-10 minutes, then packet loss starts to occur again.
> 
> 	Is there any way to increase the ARP limit?  Or. does anyone have
> any idea why a device plugged directly into the 1811 (same VLAN as the
> wireless network) would be losing packets pinging the 1811 itself.

IOS general has no arp limit. I'd suggest debugging the problem more.
ie:
sh ip arp
sh ip cef
sh adj int

etc... and look at the ping packets with a sniffer trace to help isolate
it.

As for pinging the router you could be drops off the input queue.
sh int


Rodney

> 
> 	I'm just wondering if the 1811 has some sort of limits on it in some
> ways?  Any thoughts anyone?
> 
> 
> _______________________________________________________
> Skeeve Stevens, RHCE     Email: skeeve at skeeve.org
> Website: www.skeeve.org  - Telephone: (0414) 753 383
> Address: P.O Box 1035, Epping, NSW, 1710, Australia
> 
> eIntellego - skeeve at eintellego.net - www.eintellego.net
> _______________________________________________________
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> 
> 
> 
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