From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Mon Nov 26 2007 - 18:31:55 ART
Gops,
With your configuration you're saying that telnet is guaranteed
384Kbps during times of congestion, but cannot exceed 512Kbps on average.
The HTTP class is saying that you cannot exceed 512Kbps on average, and if
using "bandwidth" is guaranteed 128Kbps at a minimum, or if using "priority"
is guaranteed prioritization up to 128Kbps, can burst up to 512Kbps, but
will be policed at 128Kbps in times of congestion.
The difference with nesting the policy is that you can say class X
and class Y can send up to 512Kbps as an aggregate, whether class X is using
1Kbps and class Y is using 511Kbps. With the non-aggregate configuration as
below classes HTTP and TELNET can send 512Kbps + 512Kbps = 1024Kbps as a
whole.
HTH,
Brian McGahan, CCIE #8593 (R&S/SP/Security)
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Gupta, Gopal (NWCC)
> Sent: Monday, November 26, 2007 12:19 AM
> To: Cisco certification
> Subject: Is this mandatory to do NESTING of Policy
>
> Hi Folks,
>
> Generally we use nested policy maps if we have to shape all the traffic
> along with the prioritization of some type of traffic. correct??
>
> but we can do this w/o nesting as well
>
> e.g
>
> policy-map SHAPE+MIN_BW
> class HTTP
> bandwidth 128 or priority 128
> shape average 512000
>
> class TELNET
> bandwidth 384
> shape average 512000
>
> Interface s1/0
> service-policy output SHAPE+MIN_BW
>
> Assuming our frame-relay interface has 512 Kbps CIR.
> My question is can we achieve same thing without using nesting, like the
> above example ????
>
> Thanks
> Gops
>
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