Traffic Performance Optimization Sample Configuration The following is a sample TPO configuration. active-charging service service_1 ruledef ch_dns dns any-match = TRUE exit ruledef ch_http http any-match = TRUE exit ruledef rt_dns tcp either-port = 53 udp either-port = 53 rule-application routing multi-line-or all-lines exit ruledef rt_http tcp either-port = 80 rule-application routing exit ruledef tpo_url2 www url contains worldrediff www url contains info www url contains match www url contains zedo multi-line-or all-lines exit ruledef url_fil www url contains ad www url contains dynamic multi-line-or all-lines exit charging-action ca_nothing content-id 5 exit rulebase rulebase_1 action priority 10 ruledef ch_dns charging-action ca_nothing action priority 15 ruledef ch_http charging-action ca_nothing route priority 25 ruledef rt_dns analyzer dns route priority 30 ruledef rt_http analyzer http exit rulebase default exit tpo profile ad-fil http ad-filter display text-only AdsFilTextOnly http params ad-filter display bgcolor ff00cc exit tpo profile ad-fil2 http ad-filter display text-with-click AdsFilteredByTPO http params ad-filter display bgcolor 11bbcc exit tpo profile tpo tcp congestion-control westwood-plus tcp handoff-optimization tcp bandwidth 960 tcp initial-window dynamic bdp-percent 90 http compression http url-rewrite http params compression level 9 http params url-rewrite prefix url_rewrite_prefix http ad-filter display text-with-click AdFilterDefault http params ad-filter display bgcolor ff00ff exit tpo policy tpolicy ad-filter ad-click-identity ad_click_identity match-ad priority 2 tpo-ruledef tpo_url2 match-ad priority 10 tpo-ruledef url_fil match-rule priority 10 tpo-ruledef url_fil tpo profile ad-fil match-rule priority 20 tpo-ruledef tpo_url2 tpo profile ad-fil2 match-rule no-ruledef-match tpo profile tpo end #configuring DNS in ISP (destination) context context isp interface intDns ip address 1.1.1.1 255.255.255.0 exit ip domain-lookup ip name-servers 2.2.2.2 dns-client dnshttp bind address 3.3.3.3 round-robin-answers end