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325
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5
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3
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Limiting bandwidth on a interface

mressler
Level 1
Level 1

I have a remote site that has a 6 mb symmetrical connection. The problem is this is a co-owned office and I can only use 3 mb of it. How can I do this on a 2811 router? Thanks.

3 Replies 3

Joseph W. Doherty
Hall of Fame
Hall of Fame

Outbound, you could shape or police your traffic to 3 Mbps. (Although, if possible, I would suggest you use CBWFQ and define 50% bandwidth for both you and the other party. This would allow either of you to use more bandwidth if the other party wasn't using their bandwidth, but both would get 3 Mbps if you both wanted it.)

Inbound is a problem, unless you control the outbound on the other side of the link.

Ok I will look into CBWFQ, I'm not too familar with that though. Have any generic examples of config to do this?

Inbound limiting isn't a problem. Outbound they will be pushing large images, so that is where the issue is.

NB: Syntax likely incorrect.

ip access-list extended mytraffic

remark match against your traffic source addresses

permit ip x.x.x.x y.y.y.y any

class-map mytraffic

match access-group mytraffic

class-map theirtraffic

match any

policy-map split5050

class mytraffic

bandwidth remaining percent 50

class theirtraffic

bandwidth remaining percent 50

interface serial #

service-policy outbound split5050

If your still want to limit your bandwidth, even when excess is availble. You could do this.

policy-map restrictbandwidth

class mytraffic

bandwidth remaining percent 50

shape average percent 50

class theirtraffic

bandwidth remaining percent 50

shape average percent 50

interface serial #

service-policy outbound restrictbandwidth

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