Shaping traffic to an Ethernet WAN

Unanswered Question
Apr 28th, 2010

Is it possible to shape traffic on multiple sub-interfaces on an egress port of an IOS router? I have a situation where I will have several virtual circuits from multiple spoke sites terminating at an HQ site which will be the hub, presented on a 100Mbps Ethernet access circuit, each with a max virtual circuit speed - e.g. 10Mbps.

I have this problem too.
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gmckay948bt Wed, 04/28/2010 - 06:30

Jerry, the model I've advised to consider is an ASR 1002. Originally I was thinking 3945, but believe that a 3945 may not be able to handle multiple shaping instances as well as an ASR 1002.


Jerry Ye Wed, 04/28/2010 - 06:54

Hi Gordon, both router should be able to do it if it is a subrate 100MB circuit.



gmckay948bt Wed, 04/28/2010 - 07:39

Thanks Jerry. It is a 100MB circuit today, with 3 x 10MB and 1 x 4MB vc's today, but with more vc's and possible requirement to scale to 1 GB access circuit in future. Would ASR be better for that?


Jerry Ye Wed, 04/28/2010 - 07:49

ASR would be better if you are planning to scale it to 1GE later (3900 cannot do line rate GE).

Also, just want to make sure you are doing it like Edison said in his post.



gmckay948bt Wed, 04/28/2010 - 07:57

I've yet to read the detail, but it looks like a good solution.

Thanks again


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