Cisco ASA Bandwidth Limiting by IP Address

Posted on 2009-04-22
Medium Priority
Last Modified: 2013-11-16
My roommate loves to share files and hog all the bandwidth (8MBd/1MBu cable modem). When this happens, the rest of the network is severely slowed down. Is there a way to limit bandwidth by IP address (please don't link the Cisco QoS documents)? Such as, all traffic on IP can only use 512Kb/s max up/down? I cannot go by ports as the file sharing software uses all the ports it can find. I am not a Cisco programmer so any step-by-step explanations would be great.
Question by:MPMPDave
LVL 29

Accepted Solution

Michael Worsham earned 1500 total points
ID: 24205137

Author Comment

ID: 24205433
Very cool, I'll try it- but, do you think that this will work with any traffic such as instead of a specific host?

Expert Comment

ID: 24207700
The policing and priority queuing that you configure in the cisco accepts almost any form of filtering.  You can filter based on ip, port, types of traffic and services.  It also accepts access lists so anything you can put into an access list you can use to restrict bandwitdh for.

so you will have 3 or more parts to this
part 1 is the access lists containing the ip addresses you want to apply this to
part 2 is the class map, where you associate your access list with a class map group
part 3 is the policy-map, where you associate your class map with what you want to do with the traffic, in this case limit the bandwitdh.
Then finally you apply the policy-map to an interface (namely your LAN interface) so it knows what port to watch for traffic on.

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