Router 구성 RAM Interfaces LAN Interfaces (e, t, f) WAN Interfaces (s, hssi) Console Auxiliary bootstrap program IOS(Internetwork OS)실행명령어 programactiveconfigfiletablesbuffers.

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Presentation transcript:

Router 구성 RAM Interfaces LAN Interfaces (e, t, f) WAN Interfaces (s, hssi) Console Auxiliary bootstrap program IOS(Internetwork OS)실행명령어 programactiveconfigfiletablesbuffers NVRAMFlashROM backup config file IOS bootstrapprogram subsetIOS

CISCO Router 환경설정 수단 Console 이용 (async serial port) Auxiliary 이용 (auxiliary async serial port) LAN, WAN Interface 를 통한 virtual terminal 이용 (telnet) TFTP 서버를 이용 NMS 를 이용 virtual terminal TFTP server NMS console auxiliary modem

Console 을 이용한 라우터 접근 Router con0 is now available Press RETURN to get started User Access Verification Password: Router> Router>enable Password: Router# Router#disable Router> Router>quit console user mode prompt previledged mode prompt

Router Modes (1) user mode Router> 제한된 명령어만을 이용 previledged mode Router# 모든 명령어를 이용할 수 있고 configuration file 조정할 수 있음 setup mode 초기 환경설정 previledged mode 에서 명령어 setup 을 입력하면 됨 RXBOOT mode 비밀번호를 잃어버렸거나 Flash 의 OS 가 지워지는 등의 경우 이용 global configuration mode Router(config)# 라우터운영 전체에 영향을 미치는 요소들을 조정할 수 있음. 하위 configuration mode 로 전환할 수 있음 하위 configuration mode Router(config-???)# 영역별 환경 설정

라우터 상태 조회 명령어 RAM Interfaces LAN Interfaces (e, t, f) WAN Interfaces (s, hssi) Console Auxiliary bootstrap program IOS(Internetwork OS)실행명령어 programactiveconfigfiletablesbuffers NVRAMFlashROM backup config file IOS bootstrapprogram subsetIOS Router#show version Router#show process [cpu] Router#show protocols Router#show running-config Router#show memory Router#show stacks Router#show buffers Router#show startup-config Router#show config Router#show interface Router#show interface serial 0 Router#show flash

라우터의 환경 설정 대상 라우터 이름 운영자 모드 비밀번호 이용자 모드 비밀번호 지원할 네트웍 프로토클 –IP, IPX, DECnet, AppleTalk 등 라우팅 프로토클 –RIP, IGRP, OSPF, BGP 등 기타 네트웍 프로토클에 따른 네트웍 Address Serial link Protocol –HDLC, PPP, X.25, ISDN, Frame-Relay, ATM 등 global environmentinterface environment //NOTE// 이것은 인터넷연결과 관련된 중요부분만을 지적한 것이며 이외에 다양한 것이 있음

라우터 초기 Setup Router# setup –setup global parameters hostname, enable password, virtual terminal password, routed protocols,... –setup interface parameters enable interface, network address allocation,.... 관련 명령어 –#show startup-config // show config –#show running-config // write term –#erase startup-config // write erase –#reload

Configuration File 수정 방법 NVRAM RAM config terminal show running-config // write term config memory copy running-config startup-config // wirte memory copy tftp running-config // config net copy running-config tftp // wirte net show startup-config // show config 폐기 erase startup-config // write erase

Router Modes (2) user modeRouter> previledge modeRouter# global config modeRouter(config)# 하위 config mode interfaceRouter(config-if)# enable config terminal subinterfaceRouter(config-subif)# controllerRouter(config-controller)# map-listRouter(config-map-list)# map-classRouter(config-map-class)# lineRouter(config-line)# routerRouter(config-router)# IPX routerRouter(config-ipx-router)# Route mapRouter(config-route-map)# Ctrl-Z exit

Password 및 Router Name 수정 console password –router(config)# line console 0 –router(config-line)# login –router(config-line)# password cisco virtual terminal password –router(config)# line vty 0 4 –router(config-line)# login –router(config-line)# password cisco enable passord –router(config)# enable password cisco –Router(config)#enable secret class enable password 의 암호화 –router(config)# service password-encryption router name –router(config)# hostname smile login banner –smile(config)# banner motd # welcome to smile, in seoul #

Router Mode 와 Interface Mode 예 Router Mode –router(config)# router rip –router(config-router)# network –router(config-router)# network –router(config-router)# no network –router(config-router)# exit –router(config)# no router rip –router(config)# exit Interface Mode –router(config)# interface ethernet 0 –router(config-if)# ip address –router(config-if)# no ip address –router(config-if)# ip address –router(config-if)# no shutdown –router(config-if)# exit –router(config)#exit