CCNA 10강 수업내용

Static Route
Router(config)#ip route <Destination Network> <Subnetmask> <Exit interface>
Router(config)#ip route <Destination Network> <Subnetmask> <Next-Hop IP>

전체 Network 정보
192.168.1.0/30 : R1 serial 1/0 <--> R2 serial 1/0
172.11.0.0/24 : R1 fastethernet 0/0 <--> VMnet1
172.12.0.0/24 : R2 loopback 0

R1 Router
C 192.168.1.0/30
C 172.11.0.0/24

S 172.12.0.0/24 : R1 s1/0(192.168.1.1) -> R2 s1/0(192.168.1.2) -> R2 lo 0(172.12.0.1)

R1(config)#ip route 172.12.0.0 255.255.255.0 serial 1/0
R1(config)#ip route 172.12.0.0 255.255.255.0 192.168.1.2

R2 Router
C 192.168.1.0/30
C 172.12.0.0/24

S 172.11.0.0/24 : R2 s1/0(192.168.1.2) -> R1 s1/0(192.168.1.1) -> R1 f0/0(172.11.0.1) -> VMnet(172.11.0.2)

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static & default 실습

전체 Network 정보
10.10.10.0/24 : R1 loopback 0
172.11.0.0/24 : R2 fastethernet 0/0 < -- > PC1
172.12.0.0/24 : R3 fastethernet 0/0 < -- > PC2
192.168.1.0/30 : R1 serial 0/0 < -- > R2 serial 0/0
192.168.1.4/30 : R1 serial 0/1 < -- > R3 serial 0/0

R1 Router
C 10.10.10.0/24
C 192.168.1.0/30
C 192.168.1.4/30

S 172.11.0.0/24 : R1 s0/0(192.168.1.1) -> R2 s0/0(192.168.1.2) -> R2 f0/0(172.11.0.1) -> PC1(172.11.0.2)
R1(config)#ip route 172.11.0.0 255.255.255.0 serial 0/0
R1(config)#ip route 172.11.0.0 255.255.255.0 192.168.1.2

S 172.12.0.0/24 : R1 s0/1(192.168.1.5) -> R3 s0/0(192.168.1.6) -> R3 f0/0(172.12.0.1) -> PC2(172.12.0.2)
R1(config)#ip route 172.12.0.0 255.255.255.0 serial 0/0
R1(config)#ip route 172.12.0.0 255.255.255.0 192.168.1.6

R2 Router
C 172.11.0.0/24
C 192.168.1.0/30

S 10.10.10.0/24 : R2 s0/0(192.168.1.2) -> R1 s0/0(192.168.1.1) -> R1 lo0(10.10.10.1)
R2(config)#ip route 10.10.10.0 255.255.255.0 serial 0/0
R2(config)#ip route 10.10.10.0 255.255.255.0 192.168.1.1

S 192.168.1.4/30 : R2 s0/0(192.168.1.2) -> R1 s0/0(192.168.1.1) -> R1 s0/1(192.168.1.5) -> R3 s0/0(192.168.1.6)
R2(config)#ip route 192.168.1.4 255.255.255.252 serial 0/0
R2(config)#ip route 192.168.1.4 255.255.255.252 192.168.1.1

S 172.12.0.0/24 : R2 s0/0(192.168.1.2_ => R1 s0/0(192.168.1.1) -> R1 s0/1(192.168.1.5) -> R3 s0/0(192.168.1.6) -> R3 f0/0(172.12.0.1) -> PC2(172.12.0.2)
R2(config)#ip route 172.12.0.0 255.255.255.0 serial 0/0
R2(config)#ip route 172.12.0.0 255.255.255.0 192.168.1.1

R3 Router
C 172.12.0.0/24
C 192.168.1.4/30

S 10.10.10.0/24 : R3 s0/0(192.168.1.6) -> R1 s0/1(192.168.1.5) -> R1 lo0(10.10.10.1)
R3(config)#ip route 10.10.10.0 255.255.255.0 serial 0/0
R3(config)#ip route 10.10.10.0 255.255.255.0 192.168.1.5

S 192.168.1.0/30 : R3 s0/0(192.168.1.6) -> R1 s0/1(192.168.1.5) -> R1 s0/0(192.168.1.1) -> R2 s0/0(192.168.1.2
R3(config)#ip route 192.168.1.0 255.255.255.252 serial 0/0
R3(config)#ip route 192.168.1.0 255.255.255.252 192.168.1.5 

S 172.11.0.0/24 : R3 s0/0(192.168.1.6) -> R1 s0/1(192.168.1.5) -> R1 s0/0(192.168.1.1) -> R2 s0/0(192.168.1.2) -> R2 f0/0(172.11.0.1) -> PC1(172.11.0.2)
R3(config)#ip route 172.11.0.0 255.255.255.0 serial 0/0
R3(config)#ip route 172.11.0.0 255.255.2550 192.168.1.5

Default Route

R2 Router <-----> R1 Router(Default Route) <-----> R2 Router

R1 Router(Default Route)
C 10.10.10.0/24
C 192.168.1.0/30
C 192.168.1.4/30

S 172.11.0.0/24 : R1 s0/0(192.168.1.1) -> R2 s0/0(192.168.1.2) -> R2 f0/0(172..11.0.1) -> PC1(172.11.0.2)
R1(config)#ip route 172.11.0.0 255.255.255.0 serial 0/0
R1(config)#ip route 172.11.0.0 255.255.255.0 192.168.1.2

S 172.12.0.0/24 : R1 s0/1(192.168.1.5) -> R3 s0/0(192.168.1.6) -> R3 f0/0(172.12.0.1) -> PC2(172.12.0.2)
R1(config)#ip route 172.12.0.0 255.255.255.0 serial 0/0
R1(config)#ip route 172.12.0.0 255.255.255.0 192.168.1.6

R2 Router
C 172.11.0.0/24
C 192.168.1.0/30

S*0.0.0.0/0 -> R1 : R2 s0/0(192.168.1.2) -> R1 s0/0(192.168.1.1)
R2(config)#ip route 0.0.0.0 0.0.0.0 serial 0/0
R2(config)#ip route 0.0.0.0 0.0.0.0 192.168.1.1

R3 Router
C 172.12.0.0/24
C 192.168.1.4/30

S*0.0.0.0/0 -> R1 : R3 s0/0(192.168.1.6) -> R1 s0/1(192.168.1.5)
R3(config)#ip route 0.0.0.0 0.0.0.0 serial 0/0
R3(config)#ip route 0.0.0.0 0.0.0.0 192.168.1.5