Some platforms support the "police rate x pps" command, but i don't know if this should be
used for CoPPs exclusively.
"storm-control unicast" should block all unknown unicast, which is probably not what
Primoz wants (besides the vlan/trunk matter).
--
Tassos
Ross Vandegrift wrote on 17/12/2008 18:25:
On Wed, Dec 17, 2008 at 04:00:56PM +0100, Primoz Jeroncic wrote:
Hi guys
Does anyone have any idea if rate limiting traffic based on packet
count would be possible on Cat3550/3560/3570 or any Cisco router?
I would need to limit some users which don't generate much of
traffic (only about 5 or 6Mbps), but packet count is huge (30k+ per sec).
So is there some option to limit their fraffic to let's say 5000packets/sec
regardless on bandwidth they use?
I've wanted this on Catalyst platforms for a long time, it doesn't
really exist. On your platforms, you should be able to apply unicast
storm-control to control the number of pps on a per-physical port
basis, but you can't write a QoS policy that can be applied in
general. Doesn't seem to be any way to do it on a VLAN. If you
enable it on a trunk port, all VLANs will be dropped when one exceeds
the threshold - probably not what you want.
Ross
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