116 CHAPTER 6: CONFIGURING DEPLOYMENT MODES Select the protocols that the Web browsers on client machines shoulddirect to the Webcache Bypass the Webcache for plain host names Distribute Web requests from client machines between up to fourWebcaches to achieve higher performance and resiliencyFor further information, see “Proxy Auto Configuration (PAC) Files” onpage 48.Using the Webcacheas a PAC File ServerTo use the Webcache as a PAC file server, first configure the WebcachePAC file using the Browser Auto-Configuration screen:1 Log in to the Web interface.2 Click Caching on the Toolbar.3 Select Browser Auto-Config in the Navigation Tree.4 Select the protocols that the Web browsers on client machines shoulddirect to the Webcache by checking HTTP (port 80 only) or File TransferProtocol or both options.5 Check Bypass Plain Host Names if you want to configure Web browsersto bypass the Webcache for plain host names. These are typically domainnames which do not contain dots, commonly used for Intranet sites e.g.http://intranet6 You can enter the IP addresses and port numbers of up to threeadditional Webcaches in your network. Web browsers on client machineswill then distribute their requests between all of the available Webcachesthat you have specified.The IP address and first port number of the current Webcache is displayedby default.Leave the Additional Webcache fields blank if you only have a singleWebcache in your network.For each additional Webcache, enter the IP address in the WebcacheName/IP Address field and the port number on which each Webcache willbe listening in proxy mode for network traffic in the Port field.You can only specify a single port number in the Port field for loadbalancing, even though you can enter up to 10 Proxy mode port numbersin the Set the Webcache Deployment Mode screen.dua1611-5aaa04.book Page 116 Friday, November 29, 2002 8:56 PM
