Network Router User Manual

Web OS 10.0 Application Guide
Chapter 15: Content Intelligent Switching
405
212777-A, February 2002
Browser-Based Web Cache Redirection
Browser-based Web cache redirection uses the User-agent: header. To configure browser-
based WCR, perform the following procedure.
1. Before you can configure header-based WCR, ensure that the switch is already config-
ured for basic SLB with the following tasks:
n Assign an IP address to each of the real servers in the server pool.
n Define an IP interface on the switch.
n Define each real server.
n Assign servers to real server groups.
n Define virtual servers and services.
2. Turn on URL parsing for the filter.
3. Enable header load balancing for “User-Agent:” header.
4. Define the host names.
5. Apply and save your configuration changes.
6. Identify the string ID numbers with this command.
Each defined string has an ID number.
Number of entries: four
>> # /cfg/slb/filt 1/adv/urlp enable
>> # /cfg/slb/layer7/redir/header ena useragent
>> # /cfg/slb/layer7/slb/add "Mozilla"
>> Server Load Balance Resource# add "Internet Explorer"
>> Server Load Balance Resource# add "Netscape"
>> # /cfg/slb/layer7/slb/cur
ID SLB String
1 any
2 Mozilla
3 Internet Explorer
4 Netscape