Hi, I'm coming back with this prolem I haven't solved yet. I'm managing an architecture of about 20 proxies under squid (most of them version 2.5 Stable1 and RH9) with three level of peering : level1 || level 2 || level 3 On every child of one level, I get the message : TCP connection to parent/8080 failed very frequently (every 10 or 20 minutes during working hours), the parent beeing a squid box of the superior level. I'm monitoring with mrtg several points like cpu usage, http hits and requests, disk usage, unused file descriptor, ... on every proxy, but nothing seems to explain these failures. I'm sure of several things during these failures: - the squid parent is up and running (ping ok without any packet loss) - it's not overloaded (I get these messages even beetween a child and a 2.8 Ghz Xeon parent having about 40 http req/s) For info, every squid box is at least a Proliant DL360 1Ghz with 512 MB RAM. - no warning messages in cache.log of the parent - the network connectivity (switch/squid box) is OK and set up to 100 Full I'm quite worried about this problem because I've seen other person having this problem but no clue on how to resolve it. What's more, I'd like to load balance our internet proxies but with this problem, it's not possible. 'Cause that would say configuring only one parent proxy on the children (the virtual address), and as we use never_direct on the children, during connection failures that would result in a "unable to relay" message for the users. If anybody can help me... It would be a defeat for me having to switch to ISA proxies ;-) Thanx in advance Pierre-E
