[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: Router with bandwidth management



Title: Message
Well, if you choose to go with Cisco, they support some form of bandwidth management called rate-limiting.
 
With rate-limiting, you can asign minimum, maximum and burst bandwidth to a specific IP address and/or network range. Here's a sample configuration:
 
conf t
 access-list 100 remark 32Kbps to Wireless Client XXX
 access-list 100 permit ip host 192.168.0.200 any
 access-list 100 permit ip any host 192.168.0.200
 
 int e0/0
  rate-limit input access-group 100 32000 8000 16000 conform-action transmit exceed-action drop
  rate-limit output access-group 100 32000 8000 16000 conform-action transmit exceed-action drop
 
As you can see above, the access list that matches your wireless client's IP address is placed onto the Ethernet interface that is connected to your wireless segment. In the rate-limit statement on the Ethernet interface, 32000 is the bits per second allowed, 8000 is the normal burst bytes and 16000 is the maximum burst bytes. As the last few lines say, if the user's IP address conforms to this setting, transmit his packets through. If the assigned capacity is exceeded, begin to apply congestion control - basically, drop packets exceeding allocated capacity.
 
Rate-limiting is supported on only the 2600 series chassis and above. From experience, it doesn't work on the 1600 nor the 1700 series Cisco routers.
 
Regards,

Mark Tinka - CCNA
Network Engineer
Africa Online Uganda
5th Floor, Commercial Plaza
7 Kampala Rd,
Tel:   +256-41-258143
Fax:   +256-41-258144
E-mail: mtinka at africaonline.co.ug
Web:     www.africaonline.co.ug
 

-----Original Message-----
From: owner-afnog at afnog.org [mailto:owner-afnog at afnog.org] On Behalf Of Robert
Sent: Friday, May 16, 2003 9:50 PM
To: afnog at afnog.org
Subject: Router with bandwidth management

Who can propose to me an entry level router with bandwidth mangement for my small wireless isp network?
 
Regards
 
Robert Longla