Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual download pdf (Page 88)

76 ServerIron ADX Advanced Server Load Balancing Guide

53-1002435-01

Content aware cache switching

FIGURE 20 Sending requests for Active Server Pages to the Internet

The following sections explain how to set up this configuration.

Enabling TCS

To enable TCS on all interfaces (globally) of the ServerIron ADX shown in Figure 20, enter the

following command.

ServerIronADX(config)# ip policy 1 cache tcp 80 global

Syntax: ip policy <index> cache | normal | high tcp | udp <tcp/udp-portnum> global | local

Setting up the CSW policies

To implement the configuration in Figure 20, you would create a CSW policy that sends all requests

containing URL strings ending with "asp" directly to the Internet, bypassing the cache servers. All

other requests are sent to one of the cache servers in server group ID = 100.

The following commands define a CSW policy called policyA1.

Internet

CacheServer1

192.168.1.101

RAS

BAR

CacheServer2

192.168.1.102

CacheServer3

192.168.1.103

Server Group ID=100

Cache Group 1

Client requests for URLs that do not contain

asp are directed to one of the cache servers

in this server group

Web Queries

Client requests for URLs that contain

asp anywhere within are directed to

the Internet

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Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 88