[c-nsp] Policing VLANs on a trunk

Arie Vayner (avayner) avayner at cisco.com
Mon Oct 17 08:31:23 EDT 2011


You most likely need vlan based PFC QOS:
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/con
figuration/guide/qos.html#wp1726124

The general idea is that you apply " mls qos vlan-based" on the trunk,
and then apply the per-vlan policy on the SVI interface (even if it does
not have any IP config).

Arie

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Graham Beneke
Sent: Monday, October 17, 2011 09:51
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Policing VLANs on a trunk

I have been doing some reading and googling and I've ended up more
confused than where I started...

Can someone point me to a good reference doc (specifically for the 6500
platform)?

We have a Metro Ethernet service from a local provider and we are
running a dot1q trunk over it. What I'm trying to do is to rate-limit
the two VLANs on the trunk so that neither one can consume the full
capacity of the circuit. The VLANs don't terminate on a local SVI so I
suspect that this may not actually work.

--
Graham Beneke
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