Re: prioritizing vlan traffic on a trunk

I think you can use vlan-based QoS to classify and mark traffic at the SVI:

http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_46_se/configuration/guide/swqos.html#wp1731025

Then prioritize based on cos, using egress priority queue:

http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_46_se/configuration/guide/swqos.html#wp1163863

http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_46_se/configuration/guide/swqos.html#wp1395244

There may be a better way, but that's what I think of first.

On Thu, Jul 9, 2009 at 2:36 PM, Mike Lange <mikelange16_at_gmail.com> wrote:

> Could someone help me with this? I have two 3560 switches connected
> with a 802.1q trunk. There are two vlans 1 and 2. I want to prioritize
> VLAN 1 traffic over VLAN 2 traffic on a trunk. Prioritizing could also
> mean giving 75% of bw to VLAN 1 and 25% to VLAN 2. I have no control
> over what DSCP markings servers are sending, but I could potentially
> rewrite those DSCP marking if needed. What would be the simplest
> config to achieve this?
>
>
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-- 
Bryan Bartik
CCIE #23707 (R&S), CCNP
Sr. Support Engineer - IPexpert, Inc.
URL: http://www.IPexpert.com
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