[c-nsp] Arp Inspection Rate Limit

[Frank Bulk - iName.com]

We deal with this issue on the BWA side of the house.  We typically set up
the client radios to rate-limit broadcasts (yes, there's more to broadcast
than ARP, but ARP is most of it) to 7 pps and main radio to as low as 12
pps.

Frank

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Alexander Clouter
Sent: Wednesday, August 19, 2009 4:59 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Arp Inspection Rate Limit

Hi,

NMaio at guesswho.com wrote:
>
> Thanks for the response.  Funny you mention the print server because
> that happens to be one device port I need to tweak since it occasionally
> exceeds the 15 pps.
> 
We have been fine at 10 for over a year now[1], however it took us a 
while to figure out that for some bizarre reason[2] 'File and Print 
Sharing' being enabled actually caused the workstation to flood ping the 
local subnet looking for printers everytime someone pressed <Print> on 
their workstation.

Similar thing happens under Vista only when you want to add an IPP 
printer by hand :-/

Cheers

[1] we are a university with about 600 staff and 3000 students
[2] might be linked to Novell being installed too, but who knows

-- 
Alexander Clouter
.sigmonster says: There's enough money here to buy 5000 cans of Noodle-Roni!

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