Configuring Parent Caching; Creating A Parent Cache Exclusion List - 3Com SUPERSTACK 3 WEBCACHE 3000 User Manual

Configuring Parent
Caching
Creating a Parent
Cache Exclusion List
To enable and configure Parent Caching using the Web interface:
1 Log in to the Web interface.
2 Click Caching on the Toolbar.
3 Select Parent Caches > Setup Parent Caches in the Navigation Tree.
4 Check Enable Parent Proxy Caches.
5 Select whether the Web browsers on client machines should direct FTP
requests to the Webcache by checking Use Parent Caches for File Transfer
Protocol (FTP). HTTP requests are automatically forwarded.
6 You can enter the DNS names or IP addresses and port numbers of up to
four parent Webcaches in your network. The child Webcache will then
distribute its cache misses between all of the available Webcaches that
you have specified. For each additional Webcache, enter the IP address or
DNS name in the Parent Cache Name/IP Address field and the port
number on which each Webcache will be listening for network traffic in
the Proxy Port field.
For further information, see
You can create a list of the domain names, IP addresses and IP address
ranges that you want to prevent from being forwarded to the parent
Webcaches in the following ways:
Manually entering each Web site, IP address and IP address range in
I
the Edit Exclude List screen.
Loading an existing list of Web sites, IP addresses and IP address
I
ranges from an external text file in the Load Exclude List screen.
A combination of the above methods.
I
The subnet local to the Webcache is automatically added to the Parent
Cache Exclusion List as content can usually be fetched faster from origin
servers than parent caches in this case.
Manually Editing the Parent Cache Exclusion List
To manually enter a Web site, IP address or IP address range in the Parent
Cache Exclusion List:
1 Log in to the Web interface.
2 Click Caching on the Toolbar.

Configuring Parent Caching

"Parent Caching" on
119
page 53.