라우터 실습 1. Cisco Router 접속 방법 Console 이용 (async serial port) LAN, WAN Interface 를 통한 virtual terminal 이용 (telnet) TFTP(Trivial ftp) 서버를 이용 NMS 를 이용.

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Presentation transcript:

라우터 실습 1

Cisco Router 접속 방법 Console 이용 (async serial port) LAN, WAN Interface 를 통한 virtual terminal 이용 (telnet) TFTP(Trivial ftp) 서버를 이용 NMS 를 이용

Cisco Console Cables / Port

Router console 접속  Console 접속  PC 에서 터미널 통신 에뮬레이터 실행 터미널 에뮬레이터로 사용할 수 있는 통신용 소프트웨어는 많이 있습니다. - Windows 95/98/NT 에 기본적으로 내장되어 있는 하이퍼터미널 (Hyper Terminal) - 새롬데이터맨 - 이야기 - Telix 등등  터미널 에뮬레이터 설정 터미널 에뮬레이터 마다 설정 방법이 약간씩 다르지만 기본적인 설정 값들은 다음과 같습니다. 초당 비트 수 (Baud rate) 데이터 비트 (Data bit) 패리티 (Parity) 정지 비트 (Stop bit) 흐름 컨트롤 (Flow control) 없음 1 Router Console PortSerial Port (Com1, Com2) Router Console Cable

Console 접속 이용 (async serial port:com1, com2) 통신 에뮬레이터 사용 ( 하이퍼터미널, Secure CRT) Console 을 이용한 Router 접속

 Console 접속 Router Console PortSerial Port (Com1, Com2) Router Console Cable Console 을 이용한 Router 접속

Router 모드 개 요 Router> Router> enable Password: Router# Router# configure terminal Router(config)# User mode prompt Privileged mode prompt Global mode prompt  Console 접속 Router Console Cable 사용자 모드 특권 모드 전역 모드

Router 기본 설정 단계 2.Password 설정  Enable password  Telnet password  Console password 1. Hostname 설정 3.IP 설정  interface (ethernet, serial)  Ethernet, Fast Ethernet, Gigabit Ethernet  Serial 4.IP 경로 설정  Static : ip route ~  Dynamic : rip, igrp, ospf, eigrp, is-is, bgp4

 Enable Password 설정 Router(config)# hostname Seoul Seoul(config)# 실행 후 Prompt 상태 Enable password : 관리자 암호를 암호화 하지 않음 Enable secret : 관리자 암호를 암호화 함 Seoul(config)# enable password **** Seoul(config)# enable secret ****  Telnet Password 설정 Seoul(config)# line vty 0 4 Seoul(config-line)# login Seoul(config-line)# password **** 1 Step 2 Step Router 기본 설정 단계

Interface ip 설정 Interface 번 호 설명비고 Ethernet 0 이더넷 인터페이스 0LAN 영역 정의 Serial 0 시리얼 인터페이스 0WAN 영역 정의 Serial 1 시리얼 인터페이스 1WAN 영역 정의  인터페이스 (Interface) 번호 (Cisco 2501 라우터 )  이더넷 인터페이스 (Ethernet Interface) 설정  시리얼 인터페이스 (Serial Interface) 설정 Seoul(config)# interface ethernet 0 Seoul(config-if)# ip address Seoul(config-if)# description office Seoul(config-if)# no shutdown Seoul(config)# interface serial 0 Seoul(config-if)# ip address Seoul(config-if)# description isp-krline Seoul(config-if)# no shutdown 3 Step

IOS Basic Command Router>enable  Privileged mode Router#config terminal  Configuration mode Router(config)#Exit  한 단계 앞으로 Router(config)#end (Ctrl+Z)  Privileged mode 처음 단계로 Router(config)#hostname police  라우터 이름 설정 Router(config)#enable password cisco Router(config)#interface serial 0  인터페이스 설정 Router(config-if)#ip address Rouuter(config-if)#no shutdown R2#show version  장비 버전 및 일반 정보 R2#show running-configuration  동작하는 설정 값 R2#show startup-configuration  flash 에 저장되어 있는 설정 값 R2#dir  메모리 정보 R2#show ip int brief  모든 인터페이스의 간단한 정보 R2#copy running-config startup-config  현재 동작 중인 config 를 flash 메모리에 저장 R2#erase startup-config  flash 메모리에 저장 되어있는 config 파일을 삭제 R2#Reload  장비 재 부팅 R2#copy tftp flash  장비의 이미지 교체 할 때.

Password Configuring

Serial Interface Configuring Router#show interface serial 0 Serial0 is up, line protocol is up Hardware is HD64570 Internet address is /24 MTU 1500 bytes, BW 64 Kbit, DLY usec, rely 255/255, load 1/255 Encapsulation HDLC, loopback not set, keepalive set (10 sec) Last input 00:00:09, output 00:00:04, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0 (size/max/drops); Total output drops: 0 Queueing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops) Conversations 0/1/256 (active/max active/max total) Reserved Conversations 0/0 (allocated/max allocated) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec Router#configure terminal Router(config)#interface serial 0 Router(config-if)#ip address Router(config-if)#clock rate (DCE interfaces only)

Basic Router Configuration R1 R2 R3R4 S0 S1 (DCE) ROUTER 1ROUTER 3ROUTER 2ROUTER 4 Hostname : R2 Console pass : cisco telnet pass : cisco Enable sec : cisco S0 : /24 Hostname : R2 Console pass : cisco telnet pass : cisco Enable sec : cisco S0 : /24 S1 : /24 Hostname : R3 Console pass : cisco telnet pass : cisco Enable sec : cisco S0 : /24 S1 : /24 Hostname : R4 Console pass : cisco telnet pass : cisco Enable sec : cisco S1 : /24

Router>enable Router#configure terminal Router(config)#hostname R1 R1(config)#enable secret cisco R1(config)#line console 0 R1(config-line)#password cisco R1(config-line)#login R1(config-line)#logging synchronous R1(config-line)#exec-timeout 0 0 R1(config-line)#exit R1(config)#line vty 0 4 R1(config-line)#password cisco R1(config-line)#login R1(config-line)#exit R1(config)#interface serial 0 R1(config-if)#ip address R1(config-if)#clock rate R1(config-if)#no shutdown R1(config-if)#exit R1 configuration

Router>enable Router#configure terminal Router(config)#hostname R2 R2(config)#enable secret cisco R2(config)#line console 0 R2(config-line)#password cisco R2(config-line)#login R2(config-line)#logging synchronous R2(config-line)#exec-timeout 0 0 R2(config-line)#exit R2(config)#line vty 0 4 R2(config-line)#password cisco R2(config-line)#login R2(config-line)#exit R2(config)#interface serial 0 R2(config-if)#ip address R2(config-if)#clock rate R2(config-if)#no shutdown R2(config-if)#exit R2(config)#interface serial 1 R2(config-if)#ip address R2(config-if)#no shutdown R2(config-if)#exit R2 configuration

Router>enable Router#configure terminal Router(config)#hostname R3 R3(config)#enable secret cisco R3(config)#line console 0 R3(config-line)#password cisco R3(config-line)#login R3(config-line)#logging synchronous R3(config-line)#exec-timeout 0 0 R3(config-line)#exit R3(config)#line vty 0 4 R3(config-line)#password cisco R3(config-line)#login R3(config-line)#exit R3(config)#interface serial 0 R3(config-if)#ip address R3(config-if)#clock rate R3(config-if)#no shutdown R3(config-if)#exit R3(config)#interface serial 1 R3(config-if)#ip address R3(config-if)#no shutdown R3(config-if)#exit R3 configuration

Router>enable Router#configure terminal Router(config)#hostname R4 R4(config)#enable secret cisco R4(config)#line console 0 R4(config-line)#password cisco R4(config-line)#login R4(config-line)#logging synchronous R4(config-line)#exec-timeout 0 0 R4(config-line)#exit R4(config)#line vty 0 4 R4(config-line)#password cisco R4(config-line)#login R4(config-line)#exit R4(config)#interface serial 1 R4(config-if)#ip address R4(config-if)#clock rate R4(config-if)#exit R4 configuration