Topology
Cable the network as shown in the topology
IP Address Table
| Device | Interface | IP/Network Address | Subnet Mask | Default Gateway |
|---|---|---|---|---|
| R1 | L0 | 209.165.10.1 | 255.255.255.0 | N/A |
| G0/0 | 172.16.0.1 | 255.255.255.0 | N/A | |
| S0/0/0 | 192.168.10.2 | 255.255.255.252 | N/A | |
| S0/0/1 | 192.168.10.6 | 255.255.255.252 | N/A | |
| R2 | L5 | 200.100.11.1 | 255.255.255.192 | N/A |
| L6 | 200.100.11.65 | 255.255.255.192 | N/A | |
| L7 | 200.100.11.129 | 255.255.255.224 | N/A | |
| G0/0.10 | 172.16.1.1 | 255.255.255.128 | N/A | |
| G0/0.20 | 172.16.1.129 | 255.255.255.192 | N/A | |
| S0/0/0 | 192.168.10.1 | 255.255.255.252 | N/A | |
| S0/0/1 | 192.168.10.9 | 255.255.255.252 | N/A | |
| R3 | L8 | 200.100.12.1 | 255.255.255.128 | N/A |
| L9 | 200.100.12.129 | 255.255.255.192 | N/A | |
| L10 | 200.100.12.193 | 255.255.255.224 | N/A | |
| G0/0.30 | 172.16.2.1 | 255.255.255.192 | N/A | |
| G0/0.40 | 172.16.2.65 | 255.255.255.224 | N/A | |
| S0/0/0 | 192.168.10.10 | 255.255.255.252 | N/A | |
| S0/0/1 | 192.168.10.5 | 255.255.255.252 | N/A | |
| S1 | Int vlan 1 | 172.16.0.2 | 255.255.255.0 | N/A |
| S2 | Int vlan 1 | 172.16.1.194 | 255.255.255.224 | N/A |
| S3 | Int vlan 1 | 172.16.2.129 | 255.255.255.240 | N/A |
| PC1 | NIC | 172.16.1.3 | 255.255.255.128 | 172.16.1.1 |
| PC2 | NIC | 172.16.1.131 | 255.255.255.192 | 172.16.1.129 |
| PC3 | NIC | 172.16.2.3 | 255.255.255.192 | 172.16.2.1 |
| PC4 | NIC | 172.16.2.67 | 255.255.255.224 | 172.16.2.65 |
| PC5 | NIC | 172.16.0.4 | 255.255.255.0 | 172.16.0.1 |
Device Configs
R1 Configs
hostname R1
no ip domain-lookup
enable secret class
line console 0
password cisco
logging synchronous
login
line vty 0 4
password cisco
login
banner motd ^ Unauthorized access is prohibited. ^
interface Loopback0
ip address 209.165.10.1 255.255.255.0
interface GigabitEthernet0/0
ip address 172.16.0.1 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0/0
ip address 192.168.10.2 255.255.255.252
!
interface Serial0/0/1
ip address 192.168.10.6 255.255.255.252
clock rate 2000000
router ospf 1
router-id 1.1.1.1
log-adjacency-changes
redistribute static subnets
passive-interface GigabitEthernet0/0
network 192.168.10.0 0.0.0.3 area 0
network 192.168.10.4 0.0.0.3 area 0
network 172.16.0.0 0.0.0.255 area 0
default-information originate
!
ip route 0.0.0.0 0.0.0.0 Loopback0
R2 Configs
hostname R2
no ip domain-lookup
enable secret class
line console 0
password cisco
logging synchronous
login
line vty 0 4
password cisco
login
banner motd ^ Unauthorized access is prohibited. ^
interface Loopback5
ip address 200.100.11.1 255.255.255.192
!
interface Loopback6
ip address 200.100.11.65 255.255.255.192
!
interface Loopback7
ip address 200.100.11.129 255.255.255.224
!
interface GigabitEthernet0/0
no ip address
duplex auto
speed auto
!
interface GigabitEthernet0/0.10
encapsulation dot1Q 10
ip address 172.16.1.1 255.255.255.128
!
interface GigabitEthernet0/0.20
encapsulation dot1Q 20
ip address 172.16.1.129 255.255.255.192
interface Serial0/0/0
ip address 192.168.10.1 255.255.255.252
clock rate 2000000
!
interface Serial0/0/1
ip address 192.168.10.9 255.255.255.252
router ospf 1
router-id 2.2.2.2
log-adjacency-changes
passive-interface GigabitEthernet0/0
passive-interface GigabitEthernet0/0.1
passive-interface GigabitEthernet0/0.10
passive-interface GigabitEthernet0/0.20
network 192.168.10.0 0.0.0.3 area 0
network 192.168.10.8 0.0.0.3 area 0
network 200.100.11.0 0.0.0.63 area 0
network 200.100.11.64 0.0.0.63 area 0
network 200.100.11.128 0.0.0.31 area 0
network 172.16.1.0 0.0.0.127 area 0
network 172.16.1.128 0.0.0.63 area 0
network 172.16.1.192 0.0.0.31 area
R3 Configs
hostname R3
no ip domain-lookup
enable secret class
line console 0
password cisco
logging synchronous
login
line vty 0 4
password cisco
login
banner motd ^ Unauthorized access is prohibited. ^
!
interface Loopback8
ip address 200.100.12.1 255.255.255.128
!
interface Loopback9
ip address 200.100.12.129 255.255.255.192
!
interface Loopback10
ip address 200.100.12.193 255.255.255.224
!
interface GigabitEthernet0/0.30
encapsulation dot1Q 30
ip address 172.16.2.1 255.255.255.192
!
interface GigabitEthernet0/0.40
encapsulation dot1Q 40
ip address 172.16.2.65 255.255.255.224
interface Serial0/0/0
ip address 192.168.10.10 255.255.255.252
clock rate 2000000
!
interface Serial0/0/1
ip address 192.168.10.5 255.255.255.252
router ospf 1
router-id 3.3.3.3
log-adjacency-changes
passive-interface GigabitEthernet0/0
passive-interface GigabitEthernet0/0.1
passive-interface GigabitEthernet0/0.30
passive-interface GigabitEthernet0/0.40
network 192.168.10.4 0.0.0.3 area 0
network 192.168.10.8 0.0.0.3 area 0
network 200.100.12.0 0.0.0.127 area 0
network 200.100.12.128 0.0.0.63 area 0
network 200.100.12.192 0.0.0.31 area 0
network 172.16.2.0 0.0.0.63 area 0
network 172.16.2.64 0.0.0.31 area 0
network 172.16.2.128 0.0.0.15 area 0
S1 Configs
hostname S1
no ip domain-lookup
interface Vlan1
ip address 172.16.0.2 255.255.255.0
S2 Configs
hostname S2
no ip domain-lookup
interface FastEthernet0/5
switchport access vlan 10
switchport mode access
!
interface FastEthernet0/10
switchport access vlan 20
switchport mode access
!
interface GigabitEthernet0/1
switchport mode trunk
interface Vlan1
ip address 172.16.1.194 255.255.255.224
!
S3 Configs
hostname S3
no ip domain-lookup
!
interface FastEthernet0/5
switchport access vlan 30
switchport mode access
!
interface FastEthernet0/10
switchport access vlan 40
switchport mode access
!
interface GigabitEthernet0/1
switchport mode trunk
interface Vlan1
ip address 172.16.2.129 255.255.255.240