[c-nsp] shaping outbound

Arie Vayner (avayner) avayner at cisco.com
Sat Dec 24 16:06:30 EST 2011


On the ingress direction,  you can apply a policer on specific classes,
and limit the rate.
As you are most likely talking about TCP based applications, policing
them would make the applications regulate their download rate.


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Dan Letkeman
Sent: Saturday, December 24, 2011 22:49
To: cisco-nsp
Subject: [c-nsp] shaping outbound


I'm confused as to when and where it is possible to shape traffic.  I
have a 50Mbps internet connection from our ISP and I would like to shape
some of the download traffic using our 2821.  Here is what I have setup:

lan users ----- g0/0 - 2821 - g0/1 ------internet

Currently I have no way of limiting someone from using up the entire
pipe.  My thought was to add a policy-map in the outbound direction on
the G0/0 interface and shape based on NBAR protocols or something like
that.   Apparently this is not the correct way to do this....If I
apply a policy-map in the outbound direction on G0/1 this helps nothing
because it only shapes the upload traffic which is minimal at peak

Any idea on how to go about this?  Or Am I stuck with buying a
ridiculously expensive packet shaper or something of the sorts?

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