Specifications

TWCB Configuration Example
April 16, 2009 Page 10 of 14
Displaying TWCB Statistics
Procedure 6describeshowtodisplayTWCBstatistics.
TWCB Configuration Example
InthisTWCBconfigurationexamplewewillstepthroughtheconfigurationoftwoserverfarms
nameds1Serverands2Server.Thes1Serverserverfarmwillhaveroundrobinpredictorenduser
rangesassociatedwithitfromboththe20.10.10.0/24subnetandthe10.10.10.0/24subnet,forusers
withanexpectationofheavyweb
siteaccessrequirements.Allotherusersnotmembersofa
predictorroundrobinlistordeniedhostredirectwillusethes2Serverserverfarmwithastandard
cache.
Thes1Serverwillhavecacheservers186.89.10.51and186.89.10.55associatedwithit.Thes2Server
willhavecacheserver196.89.10.20associatedwithit.
s1Servercacheserverswillusefaildetect
typepingwithfaildetectparametervalueschangedtoanintervalof4secondsandthenumberof
retriesto5.Thes2Servercacheserverswillusetheapplicat ion faildetecttype,withfaildetect
parametervalueschangedtoanintervalof12secondsandthenumberof
retriesto5.The
maximumnumberofconnectionspercacheserverwillbeconfiguredfor800forbothserver
farms.
Thewebcachewillbeconfiguredascache1.TheHTTPportbeingusedhasbeenchangedfrom
thedefaultof80to8080.Abypasslisthasbeenconfiguredto
denyTWCBfunctionalityforweb
requeststowebhostsites50.10.10.30to50.10.10.43becausethesesitesrequireIPaddress
authenticationforuseraccess.Endusers10.10.10.25to10.10.10.30havebeenconfiguredtodeny
TWCBfunctionality.
OntheswitchTWCBrouterbindingsarelimitedto20,000andtheTWCBcachesizeis
limitedto
5000.
SeeFigure 3onpage 11foradepictionoftheexamplesetup.
Procedure 6 Displaying TWCB Statistics
Step Task Command(s)
1. Display server farm configuration data. show ip twcb wcserverfarm
[serverfarm-name]
2. Display web-cache configuration data. show ip twcb webcache [webcache-name]
3. Display cache server connection data. show ip twcb conns [client ip-address |
wcserver webcache-name
4. Display cache server statistical data. show ip twcb stats
5. Display TWCB entry and memory limits. show limits
6. Display router limits. show router limits [twcb-bindings]
[twcb-cache] [twcb-configs]