Dear friends in the community, Please help. I've just added a card 2FE in the Cisco 2811.but when I "sh run" sh interface and sho ip interface brief. card is no I received an error message as follows on log: *Oct 23 05:12:12.515: %GT96K_FEWAN-1-UNK...

Dear All Please help me.. how when I only want to allow/permit IP Address xx.xx.xx.xx / 28 (Public IP) on Router and block all IPs coming from the internet by blocking ssh and telnet? Please help and thanks