Hi Amos, I meant "I do not restrict my customers' bandwidth anywhere". I already added Henrik's suggestions to config. But still i get traffic increase. Right now I am running squid-3.0.STABLE10. My topology is: Clients-router-Internet | Squid And i get increase on a router-internet link. The statistics I've sent is captured on router-squid link. It shows that Squid gets more from internet then gives: >> From router to Squid: >> 30 second input rate 1980000 bits/sec, 399 packets/sec >> From Squid to router: >> 30 second output rate 2164000 bits/sec, 381 packets/sec I am definitely sure that Squid sucks more from Internet then gives to customers. At the moment I am trying to change a topology and to use delay-pools... Hope it will save me :) Thanks for replies! --- Alexey Kovrizhnykh Tuesday, December 2, 2008, 10:38:35 AM, you wrote: > Alexey Kovrizhnykh wrote: >> Hi Henrik, >> Thanks for answer. >> Your method doesn't help... >> I do not restrict my customers anywhere on the network. > quick_abort_* and range-offset_* settings have nothing to do with access > restriction in the network. > They prevent squid from pre/post-fetching more content from the Internet > than clients have asked for. saving you from clients who start a > downloads then abort it before finishing. > Try Henrik suggestion, its the most likely fix to bandwidth blowout. >> Traffic increases after I shift traffic through squid. >> From router to Squid: >> 30 second input rate 1980000 bits/sec, 399 packets/sec >> From Squid to router: >> 30 second output rate 2164000 bits/sec, 381 packets/sec >> No wccp, no gre is used (if it could be headers...) >> --- >> Alexey Kovrizhnykh >> Senior IT manager > Hang on a second. What is your network topology? > clients -> squid -> router -> internet > (expect the router web traffic to decrease by 30%-50% as squid saves > bandwidth) > OR: > clients -> router -> squid -> internet > (expect some increase as clients get traffic faster, even as internet > usage decreases) > OR: clients ->> router 1 -> squid -> router 2 -> internet > (expect each router to experience one of the above scenarios) > OR: clients ->> router -> internet > | \ > squid > > (expect the router traffic to increase by 70%-100% as all traffic is > now going through the router twice. but Internet bound traffic to > decrease. inline with combining both of the first two scenarios in oen > router.) > Amos >> >> Adress: #173, St. 215 (Jawaharlal Nehru), Sangkat Phsar Doeum Kor, >> Khan Tuol Kork, Phnom Penh, Kingdom of Cambodia. >> Mobile number: + (855) 98 713 013 >> Fixed Telephone number.: + (855) 98 202 401; 23 888898 >> Fax number : + (855) 98 202 098 >> Website: www.star-cell.net >> Sunday, November 30, 2008, 9:26:28 PM, you wrote: >>> fre 2008-11-28 klockan 17:52 +0700 skrev Alexey Kovrizhnykh: >>>> Question: How to make Squid not to download a new part of file >>> "unless the old part is already loaded by the user? >>> Squid only buffers a small amount (16KB) plus the TCP window buffering >>> done by the OS. >>> It's hard to say exactly what is your problem without looking into the >>> details of the traffic you see. As others already mentioned it may be as >>> simple as incorrect quick_abort or range_offset_limit settings, or even >>> some bug in the very old version of Squid you are using. >>> Try the following: >>> quick_abort_min 0 KB >>> quick_abort_max 0 KB >>> range_offset_limit 0 KB >>> Regards >>> Henrik