[Packet Tracer] 1. 기본 셋업 명령어

Router 설정

인터페이스 아이피 등록

Router>enable

Router#conf ter

Router(config)#inter fa 0/0

Router(config-if)#ip address 192.168.10.254 255.255.255.0

Router(config-if)#no shutdown

Router(config-if)#show running-config

 

정적 라우팅 설정

Router>enable

Router#conf ter

Router(config)#ip route 192.168.20.0. 255.255.255.0 Serial 1/0

Router(config)#exit

Router#show ip route

 

OSPF 설정

Router(config)#router ospf 1

Router(config-router)#network 192.168.10.0 0.0.0.255 area 1

Router(config-router)#network 10.10.1.0 0.0.0.255 area 0

 

BGP 설정

eBGP

R1(config)#router bgp 100

R1(config-router)#bgp router-id 10.10.10.10

R1(config-router)#neighbor 5.5.5.2 remote-as 200

R1(config-router)#network 10.10.10.0 mask 255.255.255.0

 

R2(config)#router bgp 200

R2(config-router)#bgp router-id 20.20.20.20

R2(config-router)#neighbor 5.5.5.1 remote-as 100

R2(config-router)#network 20.20.20.0 mask 255.255.255.0

 

iBGP

R2(config)#router bgp 200

R2(config-router)#bgp router-id 20.20.20.20

R2(config-router)#neighbor 30.30.30.30 remote-as 200

R2(config-router)#neighbor 30.30.30.30 update-source lo0

R2(config-router)#neighbor 40.40.40.40 remote-as 200

R2(config-router)#neighbor 40.40.40.40 update-source lo0

 

R3(config)#router bgp 200

R3(config-router)#bgp router-id 30.30.30.30

R3(config-router)#neighbor 20.20.20.20 remote-as 200

R3(config-router)#neighbor 20.20.20.20 update-source lo0

R3(config-router)#neighbor 40.40.40.40 remote-as 200

R3(config-router)#neighbor 40.40.40.40 update-source lo0

R3(config-router)#network 30.30.30.30 mask 255.255.255.0

 

R3(config)#router bgp 200

R3(config-router)#bgp router-id 40.40.40.40

R3(config-router)#neighbor 20.20.20.20 remote-as 200

R3(config-router)#neighbor 20.20.20.20 update-source lo0

R3(config-router)#neighbor 30.30.30.30 remote-as 200

R3(config-router)#neighbor 30.30.30.30 update-source lo0

R3(config-router)#network 40.40.40.40 mask 255.255.255.0

 

• show ip bgp
• show ip bgp neighbor
• show ip bgp summary

// Route Reflector 설정하기 (스플릿 호라이즌 룰 문제 해결을 위한)

R2(config-router)#neighbor 20.20.20.20 route-reflector-client

R2(config-router)#neighbor 40.40.40.40 route-reflector-client

 

Switch 설정

Vlan 설정(Access)

Switch#conf t

Switch(config)#vlan 10

Switch(config-vlan)#name A

Switch(config-vlan)#exit

Switch(config)#vlan 20

Switch(config-vlan)#name B

Switch(config-vlan)#exit

Switch(config)#inter fa 0/2

Switch(config-if)#switchport mode access

Switch(config-if)#switchport access vlan 10

Switch(config)#inter fa0/4

Switch(config-if)#switchport mode access

Switch(config-if)#switchport access vlan 20

 

Vlan 설정(Trunk)

Switch#conf t

Switch(config)#vlan 10

Switch(config-vlan)#name A

Switch(config-vlan)#exit

Switch(config)#vlan 20

Switch(config-vlan)#name B

Switch(config-vlan)#exit

Switch(config)#inter range fa0/1-2

Switch(config-if-range)#switchport access vlan 10

Switch(config-if-range)#exit

Switch(config)#inter fa0/20

Switch(config-if)#switchport mode trunk