CCNA 8강 SecureCRT를 이용한 라우터 설정

@Router Name 설정
Router(config)# hostname R1
R1(config)#

@Router Password 설정
- Login 시
* Console Login 시
Router(config)# line console 0
Router(config-line)# login <= login 명령어 사용 안할 경우 적용 안됨 => 암호 사용 안할 시 no login 입력
Router(config-line)# password ******

* VTY Login 시
Router(config)#line vty 0 4
Router(config-line)#login
Router(config-line)#password ******

- 계정생성
* 일반계정
Router(config)# username root password ******
Router(config)# line <console 0, vty 0 4>
Router(config-line)# login local
Router(config-line)# end
R1# exit

* 권한계정
Router(config)# username root privilege <0-15> password cisco
Router(config)#line <console 0, vty 0 4>
Router(config-line)# login local


- User Mode에서 Privilege Mode로 이동시
* enable password : password 암호화 X, 관리적인목적
  Router(config)#enable password cisco
  Router(config)#service password-encryption -> enable password cisco

* enable secret : password 암호화 O, 보안적인목적
  Router(config)#enable secret cisco
 
* Domain Name 해석 금지
Router(config)# no ip Domain lookup

* Time Session 설정
Router(config)#line <console o, vty 0 4>
Router(config-line)#exec-timeout <분> <초>

* Input Message 동기화
Router(config)#line <console 0, vty 0 4>
Router(config-line)# logging synchronous

Router> enable
Router# configure terminal
Router(config)# hostname R1
R1(config)#no ip domain lookup
R1(config)#enable secret cisco
R1(config)#line console 0
R1(config-line)#no login
R1(config-line)#logging synchronous
R1(config-line)#exit
R1(config)#line vty 0 4
R1(config-line)#no login
R1(config-line)#end
R1#copy running-config startup-config

R1(config)#interface fastethernet 0/0
R1(config-if)#ip address 172.11.0.1 255.255.255.0
R1(config-if)#no shutdown
R1(config-if)#exit
R1(config)#interface serial 1/0
R1(config-if)#bandwidth 1024
R1(config-if)#encapsulation hdlc
R1(config-if)#ip address 192.168.1.1 255.255.255.252
R1(config-if)#no shutdown
R1(config-if)#end
R1#copy running-config startup-config

VM1
IP : 172.11.0.2
Subnetmask : 255.255.255.0
Gateway : 172.11.0.1

Router> enable
Router# configure terminal
Router(config)# hostname R2
R2(config)#no ip domain lookup
R2(config)#enable secret cisco
R2(config)#line console 0
R2(config-line)#no login
R2(config-line)#logging synchronous
R2(config-line)#exit
R2(config)#line vty 0 4
R2(config-line)#no login
R2(config-line)#end
R2#copy running-config startup-config

R2(config)#interface loopback 0
R2(config-if)#ip address 172.12.0.1 255.255.255.0
R2(config-if)#no shutdown
R2(config-if)#exit
R2(config)#interface serial 1/0
R2(config-if)#bandwidth 1024
R2(config-if)#encapsulation hdlc
R2(config-if)#ip address 192.168.1.2 255.255.255.252
R2(config-if)#no shutdown
R2(config-if)#end
R2#copy running-config startup-config