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 Reference
 



 

Apply Admission Control

The admission control mechanism for a rate policy determines what happens when there isn't enough bandwidth to satisfy guaranteed rate requests. Admission control lets you set a minimum level of service — and even refuse connections — when congestion occurs or a persistent backlog exists.


Note: To perform this task from PolicyCenter, you must first select a group and/or unit configuration from the Group: and Unit: drop-down lists at the top of the page.

To apply an admission control to a rate policy:

1. Open the rate policy you want to modify. (See Modify a Policy.)

2. Click admission control in the Policy window. The Policy:Admission Control window opens.  show screen

3. Select the type of control appropriate for the traffic class:

Traffic Type Admission Control Options Description
TCP Non-Web refuse Refuse new connection requests until enough bandwidth is available; connections are refused without user notification
squeeze Give new connections a minimal "trickle" rate of less than 256 bps
TCP Web web-refuse Refuse new connection requests until enough bandwidth is available; a refusal results in an HTTP error message
web-squeeze Give new connections a minimal "trickle" rate of less than 256 bps
web-redirect Redirect HTTP traffic to a user-specified URL; the redirect option is available only for HTTP classes on the response side of the HTTP flow, not the request side
Non-TCP squeeze Give new connections a minimal "trickle" rate of less than 256 bps

4. If you selected web-redirect, specify the URL in the Redirect-URL text box. Specify the full URL — for example, http://www.mycompany.com/main.htm.

If you omit the "http:" tag, the string will be appended to the end of the previously requested page, which is usually not the behavior you want.

5. Click OK.

6. Click apply changes in the Policy window.

PacketGuide™ for PacketWise® Version 6.0