Hi Amos, Thanks a lot. Even my configuration is working fine in Squid-3.1.15 . I believe there could be bug in squid-3.1.14 Anyhow thanks a lot to all. Regards, Sekar On Wed, Nov 28, 2012 at 11:44 AM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: > On 28/11/2012 1:48 a.m., 金 戈 wrote: >> >> This is my configure, and we use squid mutli-instance. 2 squid2.7 as >> frontend, and 3 squid2.7 as backend.And it's load-balanced. >> >> cache_peer ip1 parent 3128 0 carp no-netdb-exchange no-digest no-query >> login=PASS no-tproxy name=backend1a http11 >> cache_peer ip2 parent 3128 0 carp no-netdb-exchange no-digest no-query >> login=PASS no-tproxy name=backend1b http11 >> cache_peer ip3 parent 3128 0 carp no-netdb-exchange no-digest no-query >> login=PASS no-tproxy name=backend1c http11 > > > If you want HTTP/1.1 features you are better off upgrading to Squid-3.2 than > using the experimental features in 2.7. Yes they work well, but are > incomplete and 3.2 contains a lot of additional feature support (including > SMP support). > > "no-tproxy" is a Squid-3.1 feature. Plus squid-2.7 does not support TPROXYv4 > which is embeded in modern (2.30+) Linux kernels. > > Amos