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Ashok is correct. When you ping a router serial interface from the router, the ping traverses the WAN link. That's why you cant ping your own interface is the WAN link is down.Steve
Im not sure that I understand your question regarding the four hosts. For example you want to deny these 4 IP addresses for telnet and FTP but you want to allow HTTP? ORAre you looking for masking info to be able to block x.x.x.N with mask n.n.n.X wh...
Like mbrown says . . .buffer logging - puts messages into a buffer (show log)console logging - outputs the messages to the console porttrap logging - outputs messages to the trap servermonitor logging - outputs the messages to the vty lineWhat's conf...
