Hello all,Some question about ASA5520 design:I have seen the ASA5520 has 5 or 6 fan. How many are exactly? Which of them intakes air and which exhaust air?Would you have any photo of the interior?Which is the best way to place it into the rack to obt...

Hi all, I have upgraded my cisco router 857 to version 12.4(15)T3. And when I try to use the track command it doesn't recognise it: C857(config)#track 1 rtr 1 reachability ^ % Invalid input detected at '^' marker. C857(config)# C857(conf...

Hi all,I have upgraded my cisco router 857 to version 12.4(15)T3.And when I try to use the track command it doesn't recognise it:C857(config)#track 1 rtr 1 reachability ^% Invalid input detected at '^' marker.C857(config)#I have cre...

Hi all, I am getting some problems with a Site to Site VPN from the last two weeks. In some occasions it stops to send traffic through the VPN without any apparent reason. I have other VPNs that continue working fine. While it is failing I have run t...