Out-of-Path with WCCP

Comparing Subnet Sharing & TCP/IP-based Auto-Optimization

This chapter provides a step-by-step example for setting up Web Cache Communications Protocol (WCCP) service.

The example uses a Cisco router paired with a single Silver Peak appliance. The Silver Peak appliances participating in the WCCP service group must be deployed out-of-path (Router mode).

The example also compares two of the auto-optimization methods — subnet sharing (which, when enabled, is the method that takes precedence), and TCP-based and IP-based auto-optimization. Both methods require outbound (LAN–side) redirection; TCP/IP-based auto-optimization also requires inbound (WAN–side) redirection. For more explanation, see “Determining the Need for Traffic Redirection”.

In This Chapter

n

Overview

n	Configuring the Site A Router for WCCP

n	Using the Initial Config Wizard with Site A’s Appliance

n	Configuring WCCP on Appliance A

n	Using the Initial Config Wizard with Site B’s Appliance

n	Verifying Appliance Connectivity

n	Enabling Subnet Sharing

n	Creating Tunnels and Updating the Subnet Table

n	Verifying Traffic

n	Best Practices

Please send comments or suggestions regarding user documentation to techpubs@silver-peak.com.