From: Narbik Kocharians (narbikk@gmail.com)
Date: Sun Mar 25 2007 - 13:09:47 ART
Threshold and buffers are the only ones that you can set using the queue-set
command.
On 3/25/07, Digital Yemeni <digital.yemeni@gmail.com> wrote:
>
> Really nice summary! :) Thanks a lot Bob!!
>
> On 3/25/07, Bob Sinclair <bob@bobsinclair.net> wrote:
> >
> > Digital Yemeni wrote:
> > > Hi group,
> > >
> > > I know that we can set the CoS mapping via the "wrr-queue cos-map"
> > interface
> > > command on the 3550. Since this command is not available on the 3560,
> > how
> > > can we do it on a 3560 interface?
> > >
> > > The "mls qos srr-queue input cos-map" is only a global command as far
> as
> > i
> > > know! is there any way to set it as per interface on the 3560?
> > >
> > > Thanks in advance!
> > >
> > >
> > Just to confirm, there is no way to do per-interface cos-maps on the
> > 3560. For reference, here are some other QoS differences between the
> > 3550 and the 3560:
> >
> > The 3550 permits per-interface specification of buffer depths, whereas
> > the 3560 allows you to create two queue-sets globally then apply one of
> > the queue-sets per-interface. The queue-set allows you to configure
> > buffers, not cos-to-queue mappings.
> >
> > The 3550 permits input and output service policies. The 3560 permits
> > only input service policies.
> >
> > The 3550 priority queue out is queue 4, the 3560 priority queue outbound
> > is queue 1.
> >
> > The 3550 does not support traffic shaping, the 3560 does.
> >
> > The 3550 permits a direct vlan match in a class-map, the 3560 uses
> > hierarchical policies applied to an SVI for vlan matches.
> >
> > The 3550 does not provide configurable drop thresholds on FE ports, the
> > 3560 does.
> >
> > The 3550 maps traffic to queues based on CoS value, the 3560 can also
> > map traffic to queues based on internal DSCP value.
> >
> > The 3550 does not support output bandwidth limits per port, the 3560
> > does. (However the 3550 has output policing matching on DSCP)
> >
> > Tim Szigeti's book "End-to-End QoS Network Design" has a table comparing
> > QoS features on the Catalysts at page 264.
> >
> >
> > --
> >
> >
> > Bob Sinclair CCIE 10427 CCSI 30427
> > www.netmasterclass.net
> >
>
>
>
> --
> Best Regards!
> Digital, CCIE# to be assigned by Cisco when it collects enough $$ out of
> me!
> :p
>
> _______________________________________________________________________
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>
-- Narbik Kocharians CCIE# 12410 (R&S, SP, Security) CCSI# 30832 Network Learning, Inc. (CCIE class Instructor) www.ccbootcamp.com (CCIE Training)
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