Cisco Cisco Content Switching Module Manual Técnica

!−−− This is a transparent redirect; do not change the destination IP address.

no nat client

predictor hash url

!−−− Use URL hashing to make sure the request for a specific URL always goes to the same server.

real 192.168.30.200

inservice

real 192.168.30.201

inservice

serverfarm FORWARD

no nat server

no nat client

predictor forward

!−−− This serverfarm tells the CSM not to load balance.

!−−− The CSM instead uses its routing table to forward the traffic.

map CACHEABLE url

!−−− In this example, you want to only redirect requests for certain file types.

!−−− This is not mandatory.

!−−− You can also adjust this to something more realistic.

match protocol http url *.html

match protocol http url *.gif

match protocol http url *.jpg

match protocol http url *.exe

match protocol http url *.zip

policy CACHEABLE

!−−− The policy is the way to link the map with a serverfarm.

url−map CACHEABLE

serverfarm CACHES

vserver FROMCACHE

!−−− This rule is for traffic originating from the caches (when they have

!−−− to retrieve content from the origin server).

virtual 0.0.0.0 0.0.0.0 any

vlan 501

!−−− The VLAN command guarantees that you limit this vserver to the cache VLAN.