[CCNA]패킷트레이서 기초 2(Router - Router)

1. enable password 설정

- Router 1

R-1>en
R-1#conf t
R-1(config)#enable password cisco
R-1(config)#^Z
R-1#
%SYS-5-CONFIG_I: Configured from console by console
R-1#disable
R-1>en
Password:

- Router 2

R-2>en
R-2#conf t
R-2(config)#enable password cisco
R-2(config)#^Z
R-2#
%SYS-5-CONFIG_I: Configured from console by console
R-2#disable
R-2>en
Password:

 

2. enable secret password 설정

- Router 1

R-1>en
Password: 
R-1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R-1(config)#enable secret cisco1!
R-1(config)#exi
R-1#
%SYS-5-CONFIG_I: Configured from console by console
R-1#disable
R-1>en
Password:

-Router2

R-2>en
Password: 
R-2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R-2(config)#enable secret cisco1!
R-2(config)#exi
R-2#
%SYS-5-CONFIG_I: Configured from console by console
R-2#disable
R-2>en
Password:

 

3. show run 으로 두 설정값 차이 확인

R-1(config)#do sh run
...
enable secret 5 $1$mERr$597kcGzMkqwCTvF9Bi7A//
enable password cisco
...

enable secret pasword는 enable password 보다 우선 순위며 password 가 암호화 되어있다.

 

4. vty 설정 및 확인

- Router 1

R-1(config)#line vty 0 ?
  <1-15>  Last Line number
  <cr>
R-1(config)#line vty 0 4
R-1(config-line)#login
% Login disabled on line 132, until 'password' is set
% Login disabled on line 133, until 'password' is set
% Login disabled on line 134, until 'password' is set
% Login disabled on line 135, until 'password' is set
% Login disabled on line 136, until 'password' is set
R-1(config-line)#password cisco
R-1(config-line)#^Z
R-1#
%SYS-5-CONFIG_I: Configured from console by console

R-1#
R-1#disable
R-1>

- Router 2

R-2(config)#do telnet 10.1.1.1
Trying 10.1.1.1 ...Open


User Access Verification

Password: 
R-1>

 

5. console password 설정

- Router 1

R-1(config)#line con 0
R-1(config-line)#password cisco
R-1(config-line)#login
R-1(config-line)#exi
R-1(config)#^Z
R-1#
%SYS-5-CONFIG_I: Configured from console by console

R-1#disable
R-1>exi

Press RETURN to get started!



User Access Verification

Password:

- Router 2

R-2(config)#line con 0
R-2(config-line)#password cisco
R-2(config-line)#login
R-2(config-line)#exi
R-2(config)#^Z
R-2#
%SYS-5-CONFIG_I: Configured from console by console

R-2#disable
R-2>exi

Press RETURN to get started!



User Access Verification

Password: