User manual

Cobalt CacheRaQ 4 User Manual 11
Chapter 2
Setting up the CacheRaQ 4
This chapter guides you through the process of connecting and configuring the
CacheRaQ 4 for your network. If the CacheRaQ 4 has been configured
previously for a different network, refer to “Changing the Network
Configuration,” in Appendix A.
The configuration process occurs in two phases.
• “Phase 1: Making the connection” covers the physical setup and connection
of the CacheRaQ 4 to a power source and the network.
• “Phase 2: Setting up with the Web browser” covers the network integration
and configuration of the CacheRaQ 4, using any browser-enabled computer.
Mode of operation
For more information on the setup of your network, see Appendix C, “Sample
Network Topologies,” on page 65. Detailed information is also available on the
Cobalt Networks Web page at http://www.cobalt.com.
Before configuring the CacheRaQ 4, decide which mode of operation you will
use — Traditional Proxy Caching or Transparent Caching.
• If you plan to use Traditional Proxy Caching mode, you only have to
configure the Network 1 interface.
• If you plan to use Transparent Caching mode, you need to decide whether
you want to use the Network 2 interface in addition to the Network 1
interface (the Network 1 interface is always used). Use the Network 2
interface if you want to force your clients’ traffic to flow through the
CacheRaQ 4. This mode is useful if, for example, you want to be able to
filter or log all of your clients’ HTTP traffic.
It is not necessary to use the Network 2 interface when using Transparent
Caching mode. The only requirement for transparent caching is that client traffic
must be routed to the CacheRaQ 4. For example, this can be done by assigning
the clients’ gateway IP address to the CacheRaQ 4’s Network 1 IP address. In an