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router#show arp | include [IP Address]

router#configure router(config)#line vty 0 4 <= line password 변경 (telnet 접속 시 묻는 password) router(config-line)#password 1234 <= line password '1234'로 변경 router(config-line)#exit router(config)#enable password 2345 <= enable password '2345'로 변경 router(config)#enable secret 3456 <= secret password '3456'로 변경 enable password와 secret password가 다를 ..

router#show arp Protocol Address Age (min) Hardware Addr Type Interface -------------- 정상 -------------- Internet 000.000.000.107 5 0011.5b81.90cd ARPA GigabitEthernet0/0 Internet 000.000.000.108 9 0013.2003.0ef9 ARPA GigabitEthernet0/0 Internet 000.000.000.98 85 0020.6b54.95c6 ARPA GigabitEthernet0/0 Internet 000.000.000.100 3 0013.d325.fa8c ARPA GigabitEthernet0/0 Internet 000.000.000.126..

================================================================= 인터페이스 상태 확인 ================================================================= router#show interfaces serial[시리얼번호] ================================================================= 로그확인 ================================================================= router#show logging

Cisco Router의 EthernetPort에 IP를 추가하는 경우 router# conf router(config)# interface FastEthernet0 router(config-if)# ip address xxx.xxx.xxx.xxx(ip) 255.255.255.0(subnet) secondary

========================================================== Remote Backup ---------------------------------------------------------- router#copy running-config ftp Address or name of remote host[]? 000.000.000.000 Destination filename [router-config]? ========================================================== Remote Recovery ---------------------------------------------------------- router#copy ..