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7-4 Px Series Application Switch Installation and Configuration Guide
config domain name buystuff.com
config pattern-rule default server-group-name buystuff
config domain name www.buystuff.com
config pattern-rule default server-group-name buystuff
config domain name speakyourmind.com
config pattern-rule default server-group-name speakyourmind
config domain name www.speakyourmind.com
config pattern-rule default server-group-name speakyourmind
config domain name buythisnow.com
config pattern-rule default server-group-name buythisnow
config domain name www.buythisnow.com
config pattern-rule default server-group-name buythisnow
config domain default
config pattern-rule default server-group-name mainpage
URL Switching
URL switching takes the concept of domain name switching one step further by looking
deeper into the request. In addition to examining the domain name, the Px series
application switch examines the entire requested URL and matches it against a list of
pattern rules. Each of the pattern rules has its own associated server group.
URL switching allows you to control where traffic is sent based on the exact web object
a client is requesting. URL switching provides high flexibility and scales to meet your
needs. You can add, move, and change resources without changing links or
reconfiguring web servers.
Configuring URL Switching
Using URL switching, you can split your site into multiple groups of servers and add
rules to the application switch that directs traffic in the correct direction.
For example, as shown in Figure 7-3, a user might want to visit www.buystuff.com.
During the initial visit, the user simply requests www.buystuff.com. This request
returns a home page, such as /index.html. Subsequent clicks made by the user result in
requests for pages, such as www.buystuff.com/stereos or www.buystuff.com/dvds.