From: John Underhill (stepnwlf@magma.ca)
Date: Tue Jan 07 2003 - 17:50:20 GMT-3
Tried it, I think the 2500 just can't do it, and has to be set with
precedence values until an upstream/upscale device can do the conversion
mappings..
----- Original Message -----
From: "Chuck Church" <cchurch@optonline.net>
To: "John Underhill" <stepnwlf@magma.ca>; "P729" <p729@cox.net>;
<ccielab@groupstudy.com>
Sent: Tuesday, January 07, 2003 3:13 PM
Subject: Re: DSCP
> John,
>
> Did you check if just 'set dscp' was there rather than 'set ip dscp'?
> I've seen it both ways recently in a couple different 12.2 releases.
>
> Chuck Church
> CCIE #8776, MCNE, MCSE
>
>
> ----- Original Message -----
> From: "John Underhill" <stepnwlf@magma.ca>
> To: "P729" <p729@cox.net>; <ccielab@groupstudy.com>
> Sent: Tuesday, January 07, 2003 1:46 PM
> Subject: Re: DSCP
>
>
> > ...on a 2500. This doc does not list the 2500 as a supported platform
for
> > the set ip dscp, and this can only be done on a route-map, the 'set ip
> dscp'
> > command is clearly missing from the policy-map commands, ergo, the
> question,
> > is there a way to map precedence to dscp on a 2500?
> >
> > r2(config)#class-map SAMPLE
> > r2(config-cmap)#match access-g name SAMPLEFLOW
> > r2(config-cmap)#exi
> > r2(config)#policy-map POLICY1
> > r2(config-pmap)#class SAMPLE
> > r2(config-pmap-c)#?
> > QoS policy-map class configuration commands:
> > bandwidth Bandwidth
> > default Set a command to its defaults
> > exit Exit from QoS class action configuration mode
> > no Negate a command or set its defaults
> > police Police
> > priority Strict Scheduling Priority for this Class
> > queue-limit Queue Max Threshold for Tail Drop
> > random-detect Enable Random Early Detection as drop policy
> > service-policy Configure QoS Service Policy
> > shape Traffic Shaping
> >
> > no 'set' command, only way is to use ip policy and route-map
> >
> > r2(config)#route-map PRECEDENCE permit 10
> > r2(config-route-map)#match ip add TEST1
> > r2(config-route-map)#set ip ?
> > default Set default information
> > next-hop Next hop address
> > precedence Set precedence field
> > qos-group Set QOS Group ID
> > tos Set type of service field
> >
> > ----- Original Message -----
> > From: "P729" <p729@cox.net>
> > To: "John Underhill" <stepnwlf@magma.ca>; <ccielab@groupstudy.com>
> > Sent: Tuesday, January 07, 2003 1:29 PM
> > Subject: Re: DSCP
> >
> >
> > > "...but I can't find anything similar in 12.1..."
> > >
> > > Class-based marking was introduced in 12.1(2)T:
> > >
> >
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121
> > > t/121t5/cbpmark2.htm
> > >
> > > ...and rolled into 12.2 mainline:
> > >
> >
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122relnt/xpr
> > > n122/122newf.htm#26519
> > >
> > >
> > > Regards,
> > >
> > > Mas Kato
> > > https://ecardfile.com/id/mkato
> > >
> > > ----- Original Message -----
> > > From: "John Underhill" <stepnwlf@magma.ca>
> > > To: <ccielab@groupstudy.com>
> > > Sent: Tuesday, January 07, 2003 7:38 AM
> > > Subject: DSCP
> > >
> > >
> > > Okay, with the 3550, you can map cos/tos bits to dscp values with the
> mls
> > > qos
> > > map command, but I can't find anything similar in 12.1 on a 2500..
What
> I
> > > need
> > > to know is.. how do you make the mappings between precedence values
and
> > > dscp,
> > > and/or, how do you mark incoming flows with the dscp values? With
12.2,
> > you
> > > can mark a flow with a class-map, but in 12.1 the option is not
> available,
> > > only to map with a precedence, yet, you can still use the dscp marker
in
> > > wred
> > > CBWFQ.. Any ideas?
> > > .
> > .
.
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