Per Site QOS policy with Cisco IOS-XE

Wes Tribble westribble at gmail.com
Thu May 9 12:58:11 UTC 2013


Thanks for the information Tyler, I will have to play around with that kind
of policy in my lab.  What would you suggest if you are oversubscribing the
interface?  With the child policy inheriting the bandwith of the parent
shaper, wouldn't I run out of bandwidth allocation before I built all the
shapers for all of my 29 sites?




On Thu, May 9, 2013 at 7:14 AM, Tyler Haske <tyler.haske at gmail.com> wrote:

>  Wes,
>
> If the router is running HQF code for QoS [really anything later then
> 12.4(20)T], it should support this kind of hierarchy. It's a common policy
> I have customers implement all the time.
>
>
> http://www.cisco.com/en/US/docs/ios/qos/configuration/guide/qos_frhqf_support.html
>
>
>
> On Wed, May 8, 2013 at 10:54 AM, Wes Tribble <westribble at gmail.com> wrote:
>
>>   Tyler,
>>
>> I would love to implement a policy similar to that one.  Unfortunately, I
>> don't believe you can have two tiers of shaping like that in a policy.
>> Most of the two-tiered shaping solutions I have seen involve using a VRF to
>> shape to the aggregate rate and then use a second VRF to shape to the site
>> rate.  This is to get around the three-tier policy limitations.
>>
>> With that said, if you have something like that configured and working, I
>> would love to see the config and the "show policy-map interface" output.
>> That is exactly the kind of policy I was originally looking to implement,
>> but then I ran into those limitations.
>>
>> Thanks for the reply.  Great idea in concept.  If only we could implement.
>>
>


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