RE: Appling Service policy in Frame-relay

From: kumara.shunmugam@wipro.com
Date: Sat Aug 20 2005 - 06:37:09 GMT-3


Thanks Thomwin

I have gone through all the below URL's Here is my conclusion and query ...

1. As per Bob, both "Frame-relay traffic-shaping" and MQC Frame-relay "Shape"
commands can't be applied in a single interface. This is correct as per the
Cisco documents also.

2. Example showed by Chris was not having any "MQC based FR shape" command in
any of his policy-map. If you don't use the Shape command in side a policy-map
and if you are using only some "priority" or "bandwidth" commands, it is
treated as a normal CBWFQ policy-map and you can even apply this in to a FR
interface when "frame-relay traffic shaping is enabled" (under map-class). You
will not get the error message that was popping up for bob( "remove the FRTS
first before applying MQC GTS" ). (becoz no shaping technique conflict)

3. If you want to configure a policy-map for per-dlci or per-sub-interface or
under shaping CIR , you need to call the service-policy in to the appropriate
map-class frame-relay and then apply the "class <name> " in to the
sub-interface or in dlci mode. Here you can't directly apply a policy-map.
This is also clear

4. My Query still is, if I don't use any of the shaping technique in my FR
interface and I only want to prioritize some Voice traffic, Can I create a
Policy-map and apply directly in to the interface without calling it in to the
map-class frame-relay ? . Assume that I have only one DLCI attached to my Main
interface and am applying this to the main interface Directly .

Regards
Shun

-----Original Message-----
From: Thomwin Chen [mailto:thomwin_chen@yahoo.com]
Sent: Saturday, August 20, 2005 1:39 AM
To: Kumara Guru Shunmugam L (WI01 - Services); ccielab@groupstudy.com
Subject: Re: Appling Service policy in Frame-relay

Kumara,

I also had slightly similar question several months ago (replied by Chris and
Bob).
http://www.groupstudy.com/archives/ccielab/200506/msg00730.html

perhaps, you might consider third alternative, MQC-Based FRTS.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t
/122t13/frqosmqc.htm

about your 1st alternative, I think it will be very rare to apply it
directly.

Rgds,
Thomwin

kumara.shunmugam@wipro.com wrote:
Team

A quick Question, may be a silly question too, If you are asked to configure
a CBWFQ policy and apply it in to a Frame-relay interface, which method can
we
choose ?

1. Apply Directly the "service policy..." command in the interface
2. Call the Service policy in Frame-relay Map-class and apply the
"frame-relay
class" command in to the interface along with "frame-relay shaping" .

Can anyone give some suggestions on this...?

I think we can use both methods; the second method is particularly useful
when
we already have a frame-relay map class is applied on the interface and we
need to apply one more policy-map for the same interface(physical interface).
Moreover, we can't directly apply service-policy in a frame-relay Sub
interface, hence use only the second method for sub-interface also.

Regards
Shun

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