Network Router User Manual

Web OS 10.0 Application Guide
Chapter 17: Bandwidth Management
457
212777-A, February 2002
Additional Configuration Examples
Examples are provided for the following Bandwidth Management applications:
n User/Application Fairness: see next section
n Preferential Services: page 460
n URL-Based: page 463
n Cookie-Based: page 465
n Security Management: page 468
User/Application Fairness Example
Bandwidth Management can be applied to prevent heavy bursters from locking out other users,
such as in preventing the following:
n Customers using broadband access (such as DSL) from blocking dial-up customers
n Customers from the same hosting facility locking out each other because of flash crowd
n FTP from locking out Telnet
n Rate limit particular applications
In the following example, BWM is configured to prevent broadband customers from affecting
dial-up customer access. This is accomplished by setting higher bandwidth policy rate limits
for the port processing broadband traffic.
1. Select the first bandwidth policy.
Each policy must have a number from 1 to 64.
NOTE – Ensure BWM is enabled on the switch (/cfg/bwm/on).
2. Set the hard, soft, and reserved rate limits for the bandwidth policy, in Mbps.
>> # /cfg/bwm/pol 1 (Select BWM policy 1)
>> Policy 1# hard 5 (Set “never exceed” rate)
>> Policy 1# soft 4 (Set desired bandwidth rate)
>> Policy 1# resv 3 (Set committed information rate)