cisco Switching and UC540i have a layer 3 switch configure with multiple vlans. i have a uc 540 directly connected to a switch port on the L3 switch.i can ping the uc.Core#ping 172.16.15.254Type escape sequence to abort.Sending 5, 100-byte ICMP Echos...

I have a cisco 1720 router with one adsl interface, one fast ethernet and one ethernet. the user had just the adsl portion but now wants to bring in a second isp (cable modem) on the ethernet port. he also has a pix 515 with three ethernet interfa...

i configured a vpn for remote access using cisco vpn client. I am unable to connect to the oustide interface of pix i am getting the following error"group=***** IP=**** unable to remove peertblentry.i made sure the group name and key match. i have re...