우리들의 삶

설정모드에서exec 명령어사용하기

•exec 명령어: 이용자모드나관리자모드에서사용하는명령어

•show, ping, debug 등동작확인또는장애처리용명령어가대부분임

•설정모드에서exec 명령어를사용하려면do로시작함

•도움말기능이나명령어완성기능동작하지않음

Router(config)#do show version

현단계사용가능명령어보기

•물음표(?)를입력하면현재단계에서사용가능한모든명령어예시

•물음표다음에엔터키를누르지않음

Router#?

Exec commands:

access-enable Create a temporary Access-List entry

access-profile Apply user-profile to interface

access-template Create a temporary Access-List entry

alps ALPS exec commands

특정글자로시작하는명령어보기

•특정글자에연속하여물음표를치면해당글자로시작하는명령어예시

Router#e?

enable ephone-hunt erase event

Exit

Router#e

명령어옵션보기

•명령어입력후스페이스다음물음표를치면사용가능한옵션예시

Router#erase ?

/all Erase all files(in NVRAM)

/no-squeeze-reserve-space Do not reserve space for squeeze operation

flash: Filesystem to be erased

nvram: Filesystem to be erased

pram: Filesystem to be erased

slot0: Filesystem to be erased

slot1: Filesystem to be erased

startup-config Erase contents of configuration memory

Router#erase

탭(Tab) 키를이용한명령어완성

•명령어에연속하여탭(Tab) 키를치면명령어를완성시킨다

Router#en[Tab]

모호한명령어입력시의에러메시지

•모호한명령어입력시‘Ambiguous command’메시지표시

•현설정단계에서해당철자로시작하는명령어가2개이상있다는의미

Router(config)#i

% Ambiguous command: "i

미완성명령어입력시의에러메시지

•명령어에필요한옵션미입력시‘Incomplete command’메시지표시

•현재의명령어다음에필요한옵션을입력해야한다는의미

Router(config)#interface

% Incomplete command.

Router(config)#

잘못된명령어입력시의에러메시지

•잘못된명령어입력시잘못된철자에^ 표시

•‘^ 표시부분에Invalid (잘못된) 입력이발견되었다’라는메시지표시

Router(config)#intreface

^

% Invalid input detected at '^' marker.