Configuring Parent Caching 119Configuring ParentCachingTo 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 FTPrequests to the Webcache by checking Use Parent Caches for File TransferProtocol (FTP). HTTP requests are automatically forwarded.6 You can enter the DNS names or IP addresses and port numbers of up tofour parent Webcaches in your network. The child Webcache will thendistribute its cache misses between all of the available Webcaches thatyou have specified. For each additional Webcache, enter the IP address orDNS name in the Parent Cache Name/IP Address field and the portnumber on which each Webcache will be listening for network traffic inthe Proxy Port field.For further information, see “Parent Caching” on page 53.Creating a ParentCache Exclusion ListYou can create a list of the domain names, IP addresses and IP addressranges that you want to prevent from being forwarded to the parentWebcaches in the following ways: Manually entering each Web site, IP address and IP address range inthe Edit Exclude List screen. Loading an existing list of Web sites, IP addresses and IP addressranges from an external text file in the Load Exclude List screen. A combination of the above methods.The subnet local to the Webcache is automatically added to the ParentCache Exclusion List as content can usually be fetched faster from originservers than parent caches in this case.Manually Editing the Parent Cache Exclusion ListTo manually enter a Web site, IP address or IP address range in the ParentCache Exclusion List:1 Log in to the Web interface.2 Click Caching on the Toolbar.dua1611-5aaa04.book Page 119 Friday, November 29, 2002 8:56 PM
