i have a router 837 with one interface adsl and one loopback interface configured all two interface with pubblic ip address.
I would want make acl that permit me to telnet in loopaback interface but not in adsl (atm 0.1) interface.
I have tried with access list and access class but the access list was applied to all interface.
interface loopback 0
ip address xx.xx.xx.231 255.255.255.252
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
interface ATM0.1 point-to-point
ip address xx.xx.xx.230 255.255.255.252