Intel 1520 - Manual (Page 52)

40 Intel NetStructure Cache Appliance Administrator’s Guide
▼ Reaching the Routing page
1 Be sure you are in configure mode. If not, click the CONFIGURE tab.
2 Click the Routing page button.
Setting HTTP parent caching options
The appliance can participate as a member of an HTTP cache hierarchy. You can
point your appliance at a parent network cache—either another Intel NetStructure
Cache Appliance or a different caching product—to form a cache hierarchy,
wherein a child cache relies upon a parent cache in fulfilling user requests.
parent
failover
You can specify more than one parent cache to be queried. If the first parent
cache does not respond to the request, the appliance tries the next parent cache.
The appliance supports multiple parent caches and parent failover. Use the
command-line interface to configure multiple parent caches and parent failover
(which gives appliance a sequence of parent caches to query if the first parent
cache misses). See
Controlling parent proxy caching‚ on page 89.
The following table describes the options.
Option Description
Parent Caching
on/off Enables or disables parent caching. To set parent caching
on, you must also name a parent cache.
Parent Cache Identifies the parent cache and port. Using the following
format:
parent_name:port_number . The port must be
dedicated. If the appliance cannot find a requested object in
its own cache, it searches the parent cache before
searching the Internet. If you want parent failover, you can
specify more than one parent cache; for example,
parent1:port1; parent2:port2