On Thu, 25 Feb 2010 02:22:11 +0200, "Mr. Issa\(*\)" <xnixguy@xxxxxxxxx> wrote: > Dear mates Well the real Problem is that when we have 100GB of cache > on the squid BOX, we notice that every 1 Hour exactly the connectivity > on the WAN interface of squid drops for 10 seconds.. then it comes > back again... (MRTG graph is attached). We have the squid BOX in > Transparent mode > > > > So what could be the problem? Squid takes 10 seconds to erase ~5GB of disk stored data? 100GB / (cache_swap_high - cache_swap_low) Never seen a transparent box :). What type of _interception_ is your network doing? WCCP is known to have small outages like this accounce packets get skipped or delayed. Amos