i need help in writing an extended access list on a router on the lan all student machines or assign even host number and all teachers are asigned to odd host no.the network address is 156.1.1.64 255.255.255.192 i need to block telnet on ths students machines only and permit all other traffic the destination address on district router 156.1.149.129 I am using ip and IRGP on the router I know how to stop all telnet traffic but do`nt know how to block the students. if any one has an answer I would be greatful thanks Ray S
