라우터 이중화

라우터이중화

라우터1

en

conf t

int f0/0

ip add 1.0.0.251 255.255.255.0

no sh

int f0/1

ip add 10.0.0.1 255.255.255.252

no sh

do wr

exit

rout os 10

net 1.0.0.0 0.0.0.255 area 0

net 10.0.0.0 0.0.0.3 area 0

do wr

 

라우터2

en

conf t

int f0/0

ip add 1.0.0.252 255.255.255.0

no sh

do wr

int f0/1

ip add 10.0.0.5 255.255.255.252

no sh

do wr

rout os 10

net 10.0.0.4 0.0.0.3 area 0

net 1.0.0.0 0.0.0.255 area 0

do wr

exit

 

라우터3

en

conf t

int f0/1

ip add 10.0.0.2 255.255.255.252

no sh

do wr

int f0/0

ip add 10.0.0.6 255.255.255.252

no sh

do wr

int 1/0

ip add 100.100.100.254 255.255.255.0

no sh

do wr

router os 10

net 10.0.0.1 0.0.0.3 area 0

net  10.0.0.4 0.0.0.3 area0

net 100.100.100.1 0.0.0.255 area 0

do wr

 

라우터1

int f0/0

standby 1 ip 1.0.0.254

standby 1 pri 120

standby 1 preempt

do wr

 

라우터2

int f0/0

st 1 ip 1.0.0.254

sta 1 pri 100

st 1 pree

do wr

 

PC2)

arp -a > 물리적인 맥주소 확인 (가상으로 만들어 낸것임)

 

PC1)

ping 100.100.100.1  > 가야함

tracert 100.100.100.1(라우터 2개를 거침 TTL=126)

>251, 10.0.0.1.이 나옴

 

라우터1)

 

sh standby bri

sh standby fastEthernet 0/0

 

위쪽의 케이블을 끊어버림 > 문제가 생김

ping 100.100.100.1(가야함)