Limit total bandwidth sent by a router

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Dec 12th, 2013
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I have a router in a remote location that the ISP limits us so we can only send up to 800MB of data from 6 am to 8 pm after that we can send as much as we want. I have some servers that I always want to be able to get out - is there a way to put a hard cap on the users so that they have 200 MB of data in those hours and if they "spend" it all they are cut off until the unlimited time.


I do not need to shape or police traffic - i need to put a cap on the router so it will not over send the 800MB limit - is this possible?

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pieterh Thu, 12/12/2013 - 10:40
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Bandwidth limiting is data per second.
You need something like quota limiting.
That is not integratied in a cisco router configuration
You need special device or special software for that

Sent from Cisco Technical Support iPad App

Jose Jara Thu, 12/12/2013 - 10:41
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If you want to limit the traffic in an specific time frame I would use a time based ACL and MQC to limit the traffic in this period of time.

Joseph W. Doherty Thu, 12/12/2013 - 12:15
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Routers don't have feature to limit bandwidth by some to some cumulative amount.


What you might be able to do is use embedded scripting, monitor usage from 6 AM to 8 PM, and as it approaches your cumulative limit, add (via the embedded script) a policer to try to avoid hitting your cap.  The embedded script could set a policy, as the cap is about to be reached, to drop all further packets.  It could also have tiers allowed policed bandwidths, which slow egress rates as cap is approached.

kevin.mcgillicuddy Thu, 12/12/2013 - 12:20
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I have used the scripting before - but what on the router would keep track of total bandwidth used?

Joseph W. Doherty Thu, 12/12/2013 - 17:15
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The  Author of this posting offers the information contained within this  posting without consideration and with the reader's understanding that  there's no implied or expressed suitability or fitness for any purpose.  Information provided is for informational purposes only and should not  be construed as rendering professional advice of any kind. Usage of this  posting's information is solely at reader's own risk.


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A router that "sees" all the traffic you're trying to limit.

kevin.mcgillicuddy Fri, 12/13/2013 - 05:56
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You  mentioned possibly using an EEM script - what comamnds would allow the router to keep traffic of total traffic sent?

Joseph W. Doherty Fri, 12/13/2013 - 07:57
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In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.


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Sorry, don't know (which is why I used the word "might").  Suggest posting question to the scripting forum.

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