router switch 통신 예제

g0/0 -192.168.1.1/24

g0/1 - 192.168.2.1/24

  1. 토폴로지 망 구성 
    router:  3, switch: 2
  2. 각각의 router에 입력
    1. router1(왼쪽 하단)
      Router-1> enable
      Router-1# configure terminal
      
      Router-1(config)# interface g0/0
      Router-1(config-if)# ip address 192.168.1.11 255.255.255.0
      Router-1(config-if)# ipv6 address 2001:192:168:1::11/64
      Router-1(config-if)# no shutdown
      Router-1(config-if)# exit
      
      ! IPv6 라우팅 활성화
      Router-1(config)# ipv6 unicast-routing
      Router-1(config)# end
      Router-1# write memory
    2. router2(오른쪽 하단)
      Router-2> enable
      Router-2# configure terminal
      
      Router-2(config)# interface g0/0
      Router-2(config-if)# ip address 192.168.2.11 255.255.255.0
      Router-2(config-if)# ipv6 address 2001:192:168:2::11/64
      Router-2(config-if)# no shutdown
      Router-2(config-if)# exit
      
      ! IPv6 라우팅 활성화
      Router-2(config)# ipv6 unicast-routing
      Router-2(config)# end
      Router-2# write memory
    3. router3(중앙)
      Router-3> enable
      Router-3# configure terminal
      
      ! IPv4 주소 구성
      Router-3(config)# interface g0/0
      Router-3(config-if)# ip address 192.168.1.1 255.255.255.0
      Router-3(config-if)# ipv6 address 2001:192:168:1::1/64
      Router-3(config-if)# no shutdown
      Router-3(config-if)# exit
      
      Router-3(config)# interface g0/1
      Router-3(config-if)# ip address 192.168.2.1 255.255.255.0
      Router-3(config-if)# ipv6 address 2001:192:168:2::1/64
      Router-3(config-if)# no shutdown
      Router-3(config-if)# exit
      
      ! IPv6 라우팅 활성화
      Router-3(config)# ipv6 unicast-routing
      Router-3(config)# end
      Router-3# write memory
    4. switch2
      Switch2> enable
      Switch2# configure terminal
      Switch2(config)# interface g0/0
      Switch2(config-if)# no shutdown
      Switch2(config-if)# exit
      
      Switch2(config)# interface g0/1
      Switch2(config-if)# no shutdown
      Switch2(config-if)# end
      Switch2# write memory
    5. switch3
      Switch3> enable
      Switch3# configure terminal
      Switch3(config)# interface g0/0
      Switch3(config-if)# no shutdown
      Switch3(config-if)# exit
      
      Switch3(config)# interface g0/1
      Switch3(config-if)# no shutdown
      Switch3(config-if)# end
      Switch3# write memory
  3. Ping 통신 확인
    Router-1# ping 192.168.2.11
    
    Type escape sequence to abort.
    Sending 5, 100-byte ICMP Echos to 192.168.2.11, timeout is 2 seconds:
    !!!!!
    Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/9 ms
  4. 만약 안 됬을 때 기본 라우트 추가
    1. router1
      Router-1> enable
      Router-1# configure terminal
      Router-1(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.1
      Router-1(config)# end
      Router-1# write memory
    2. router2
      Router-2> enable
      Router-2# configure terminal
      Router-2(config)# ip route 0.0.0.0 0.0.0.0 192.168.2.1
      Router-2(config)# end
      Router-2# write memory
    3. router3
      Router-3> enable
      Router-3# configure terminal
      Router-3(config)# ip route 192.168.1.0 255.255.255.0 g0/0
      Router-3(config)# ip route 192.168.2.0 255.255.255.0 g0/1
      Router-3(config)# end
      Router-3# write memory