From: Jeongwoo Park (jpark@wams.com)
Date: Thu Jul 10 2003 - 22:23:23 GMT-3
This Qos group feature must be 12.2 version feature.
JP
-----Original Message-----
From: Brian McGahan [mailto:brian@cyscoexpert.com]
Sent: Thursday, July 10, 2003 6:13 PM
To: 'Jonathan V Hays'; ccielab@groupstudy.com
Cc: 'Jim Phillipo'
Subject: RE: QOS Groups
Jonathan,
Correct. The class INPUT would be applied to any interfaces
which connect to customers of the "gold" class.
Brian McGahan, CCIE #8593
Director of Design and Implementation
brian@cyscoexpert.com
CyscoExpert Corporation
Internetwork Consulting & Training
Toll Free: 866.CyscoXP
Fax: 847.674.2625
> -----Original Message-----
> From: Jonathan V Hays [mailto:jhays@jtan.com]
> Sent: Thursday, July 10, 2003 6:45 PM
> To: ccielab@groupstudy.com
> Cc: 'Brian McGahan'; 'Jim Phillipo'
> Subject: RE: QOS Groups
>
> Brian,
>
> One thing that is slightly confusing is the name of policy-map INPUT
in
> your example. Although one easily infers that policy-map OUTPUT is
> applied to the single upstream connection, you don't state exactly
where
> the INPUT policy-map is applied. And there are two inputs.
>
> I guess common sense tells us that policy-map INPUT is applied to the
> connection from customer "Gold", correct? Maybe INPUT-GOLD would have
> been a better name.
>
> Thanks,
>
> Jonathan
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> > Behalf Of Brian McGahan
> > Sent: Wednesday, July 09, 2003 6:22 PM
> > To: 'Jim Phillipo'; ccielab@groupstudy.com
> > Subject: RE: QOS Groups
> >
> >
> > Jim,
> >
> > It does not get propagated to the rest of the network. The
> > point of the QoS group is that you can create a logical grouping of
> > traffic, apply a policy to this grouping, and not affect any other
> > devices in the network.
> >
> > Suppose that a router has 3 connections, one to customer
> > "Bronze", one to customer "Gold", and one connection
> > upstream. Traffic
> > from customer Gold going upstream should be treated
> > preferentially over
> > traffic from customer Bronze. As the traffic from Gold comes
> > in, we can
> > mark it with QoS group 1. As traffic in QoS group 1 goes upstream,
we
> > can apply whatever policy we want.
> >
> > Take the following config example:
> >
> > policy-map INPUT
> > class class-default
> > set qos-group 1
> > !
> > class-map match-all GOLD
> > match qos-group 1
> > !
> > policy-map OUTPUT
> > class GOLD
> > bandwidth percent 50
> >
> >
> >
> > As traffic comes in the input interface, it is marked with
> > qos-group 1. Class-map GOLD specifies all traffic in qos-group 1.
As
> > traffic goes to the output interface, all traffic of qos-group 1 is
> > guaranteed 50% of the output queue.
> >
> >
> > HTH,
> >
> > Brian McGahan, CCIE #8593
> > Director of Design and Implementation
> > brian@cyscoexpert.com
> >
> > CyscoExpert Corporation
> > Internetwork Consulting & Training
> > Toll Free: 866.CyscoXP
> > Fax: 847.674.2625
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