GNS VLAN10, VLAN20 예제 관련하여 Switch와 Router 활용하여 통신망 연결하기(2), 라우터가 SW2랑 연결되어 있을때

## Router On a Stick

 

선생님 연습법 : 

  1) 장비 그림 그려놓기. 

  2) 명령어의 역할 이해하기

  3) GNS3 같은 프로그램 말고, 연습장에 깜지로 연습하기.

*** 모든 장비들의 기본 설정 ***

ena

conf t

no ip domain lookup

line c 0

  logg sy

  exec-timeout 0

  exit

line vty 0 4

  password cisco

  exit

hostname ㅇㅇ

 

 

① VLAN

SW1] 

conf t

no ip routing

vlan 10

  exit

vlan 20

  exit

int f1/1

  switchport mode access

  switchport access vlan 10

  exit

int f1/2

  switchport mode access

  switchport access vlan 20

  exit

int f1/9

  switchport trunk encapsulation dot1q

  switchport mode trunk

 

 

SW2]

 

conf t

no ip routing

vlan 10

  exit

vlan 20

  exit

int f1/3

  switchport mode access

  switchport access vlan 10

  exit

int f1/4

  switchport mode access

  switchport access vlan 20

  exit

int range f1/9 , f1/15

  switchport trunk encapsulation dot1q

  switchport mode trunk

  end

wr

 

 

R1]

conf t

int f0/0

  no shutdown

  exit

int f0/0.10

  encapsulation dot1q 10

  ip address 1.1.10.254 255.255.255.0

  exit

int f0/0.20

  encapsulation dot1q 20

  ip address 1.1.20.254 255.255.255.0

  exit

 

 

PC1~PC4]

 

conf t

no ip routing

ip default-gateway 1.1.x.x  (PC1,3 ==> 10.254 / PC2,4 ==> 20.254)

!

int f0/0

  no shutdown

  ip address 1.1.x.x 255.255.255.0

  end

wr

 

 

<통신 검증 방법>

show ip interface brief

show vlan-switch (sw vlan-sw)

show interface trunk

 

 

<선생님 메모장 순서대로>

## Router On a Stick

** 모든 장비 기본 설정
ena
conf t
no ip domain lookup
line c 0
  logg sy
  exec-timeout 0
  exit
line vty 0 4
  password cisco
  exit
hostname XX

SW1]
conf t
no ip routing
vlan 10
  exit
vlan 20
  exit
int f1/3
  switchport mode access
  switchport access vlan 10
  exit
int f1/4
  switchport mode access
  switchport access vlan 20
  exit


SW2]
conf t
no ip routing
vlan 10
  exit
vlan 20
  exit
int f1/1
  switchport mode access
  switchport access vlan 10
  exit
int f1/2
  switchport mode access
  switchport access vlan 20
  exit
int range f1/9
  switchport trunk encapsulation dot1q
  switchport mode trunk
  end
wr

R1]
conf t
int f0/0
  no shutdown
  exit
int f0/0.10
  encapsulation dot1q 10
  ip address 1.1.10.254 255.255.255.0
  exit
int f0/0.20
  encapsulation dot1q 20
  ip address 1.1.20.254 255.255.255.0
  exit


PC1~4]
conf t
no ip routing
ip default-gateway 1.1.x.x
// PC 1과 3의 gateway -> 1.1.10.254
   PC 2와 4의 gateway -> 1.1.20.254
!
int f0/0
  no shutdown
  ip add 1.1.x.x 255.255.255.0
  end
wr

- verify -
show ip interface brief
show vlan-switch
show interface trunk

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