시스코 명령어 정리

[권한변경]

Router>enable

Router#

[호스트 이름변경]

Switch_1#conf t

Switch_1(config)#hostname SW1

[Vlan 생성]

Switch_1#conf t

Switch_1(config)#vlan 10

Switch_1(config-vlan)#name PC6

[스위치포트에 Vlan 할당]

Switch(config)#int f0/3

Switch(config-if)#switchport mode access

Switch(config-if)#switchport access vlan 10

Switch(config)#

[interface vlan 1 IP생성]

SW1#conf t

SW1(config)#int vlan 1

SW1(config-if)#no shutdown

SW1(config-if)#ip address 172.16.3.100 255.255.255.0

[enable password 설정]

SW1#conf t

SW1(config)#enable password cisco

[콘솔 password 설정]

SW1(config)#line con 0

SW1(config-line)#password cisco

SW1(config-line)#login

[텔넷 password 설정]

SW1(config)#line vty 0 4

SW1(config-line)#password cisco

SW1(config-line)#login

[스위치 하드웨어 확인]

SW1#sh version

[스위치 Vlan 확인]

SW1#show vlan

 

[스위치 포트 전체적으로 확인]

SW1#show ip int brief

[텔넷 세션 확인명령어]

SW1#show tcp brief

[텔넷 사용자 확인명령어]

SW1#show user

Router(config)#int f0/0

Router(config-if)#no shutdown

Router(config-if)#ip address 172.16.0.1 255.255.255.0

Router#conf t

Router(config)#ip route 210.10.10.0 255.255.255.0 210.100.100.2

Router(config)#ip route 210.100.100.0 255.255.255.0 210.100.100.2

[라우터 스태틱 설정]

Router#conf t

Router(config)#ip route 210.10.10.0 255.255.255.0 210.100.100.2

Router(config)#ip route 210.100.100.0 255.255.255.0 210.100.100.2

[스위치 스태틱 설정]

Switch#conf t

Switch(config)#ip route 172.16.0.0 255.255.255.0 210.100.100.1

Switch(config)#ip route 210.100.100.0 255.255.255.0 210.100.100.1

[라우터 스위치 배너설정]

Seoul_R_1#conf t

Seoul_R_1(config)#banner motd ^ -> 특수문자 입력후 문자입력

Enter TEXT message.  End with the character '^'.

###### Seoul_R_1 welcome !! ######

###### nobody No Access !#######

manager sung

mobile-phone 080-666-7777

입력을 다한후에는 ^ 특수문자 입력후 enter 치면 입력완료

[DHCP 설정]

라우터에서 할당

ip dhcp excluded-address 163.180.116.1

ip dhcp excluded-address 163.180.116.255

!

ip dhcp pool ccna

 network 163.180.116.0 255.255.255.0

 default-router 163.180.116.1

다른네트워크에서 DHCP 접속할시에는 DHCP 

helper-address 설정

1.서버에 범위설정후에 

2. 

interface FastEthernet0/1

ip address 200.200.200.1 255.255.255.0

ip helper-address 163.180.116.2

[dhcp ip 할당확인 명령어]

R1#sh ip dhcp binding

[콘솔 텔넷 접속시간 확인명령어]

R1(config)#line vty 0 4

R1(config-line)#exec-timeout 0 0

R1(config-line)#

R1(config)#line con 0

R1(config-line)#logging synchronous 

R1(config)#no ip domain-lookup

[라우터 스위치 NVRAM 저장 명령어]

R1#copy running-config startup-config --> 저장

R1#write memory

R1#wr  

[nvram 지우는 명령어]

switch1#erase startup-config

switch1#reload