Enterasys Matrix DFE-Gold Series

Understanding Transparent Web Cache Balancing (TWCB)
23-2 Transparent Web Cache Balancing Configuration
farmisconfiguredwith2cacheserversfromthe186.89.0.0subnet.Thes2Serverserverfarmis
configuredwith5cacheserversfromthe176.89.0.0subnet.
Auseronthe10.10.10.0/24subnetmakesawebrequestfromthewebsitehost.Theresponseis
senttoboththerequestinguseranda
Cache1cacheserver.Therouterdeterminesthecacheserver
onwhichanend‐user’scacheresides.Anyfuturerequestsforthatwebobjectwillbehandledby
thecacheserveruntilthecacheentryexpires.Cacheentryexpirationisconfiguredinthe
web‐basedproxycacheapplication.
Figure 23-1 TWCB Configuration Overview
Purpose
Toenable,configureanddisplayinformationforTransparentWebCacheBalancing(TWCB)used
tostorefrequ entlyaccessedwebobjectsonacacheoflocalservers.
Commands
For information about... Refer to page...
ip twcb wcserverfarm 23-3
predictor roundrobin 23-4
faildetect type 23-5
faildetect type 23-5
faildetect 23-6
maxconns 23-7
inservice 23-7
ip twcb webcache 23-8
http-port 23-9
serverfarm 23-9