R2 = L1/L2
R3 = L2
R4 = L1/L2
R1#sh run
Building configuration...
Current configuration : 1186 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback1
ip address 192.168.1.1 255.255.255.0
ip router isis
!
interface Loopback2
ip address 192.168.2.1 255.255.255.0
ip router isis
!
interface Loopback3
ip address 192.168.3.1 255.255.255.0
ip router isis
!
interface Loopback4
ip address 192.168.4.1 255.255.255.0
ip router isis
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0
ip address 10.4.12.1 255.255.255.0
ip router isis
clock rate 64000
isis circuit-type level-1
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/1
no ip address
shutdown
clock rate 2000000
!
!
router isis
net 49.0001.1111.1111.1111.00
is-type level-1
summary-address 192.168.0.0 255.255.0.0
!
!
!
ip http server
no ip http secure-server
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
line aux 0
line vty 0 4
!
!
end
------------------------------------
R2#sh run
Building configuration...
Current configuration : 880 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0
ip address 10.4.12.2 255.255.255.0
ip router isis
clock rate 2000000
isis circuit-type level-1
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/1
ip address 10.4.23.2 255.255.255.0
ip router isis
clock rate 64000
isis circuit-type level-2-only
!
!
router isis
net 49.0001.2222.2222.2222.00
!
!
!
ip http server
no ip http secure-server
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
line aux 0
line vty 0 4
!
!
end
------------------------------------
R3#sh run
Building configuration...
Current configuration : 887 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0
ip address 10.4.34.3 255.255.255.0
ip router isis
clock rate 64000
isis circuit-type level-2-only
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/1
ip address 10.4.23.3 255.255.255.0
ip router isis
clock rate 2000000
isis circuit-type level-2-only
!
!
router isis
net 49.0020.3333.3333.3333.00
is-type level-2-only
!
!
!
ip http server
no ip http secure-server
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
line aux 0
line vty 0 4
!
!
end
------------------------------------
R4#sh run
Building configuration...
Current configuration : 1186 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback1
ip address 10.3.1.1 255.255.255.0
ip router isis
isis circuit-type level-1
!
interface Loopback2
ip address 10.3.2.1 255.255.255.0
ip router isis
!
interface Loopback3
ip address 10.3.3.1 255.255.255.0
ip router isis
!
interface Loopback4
ip address 10.3.4.1 255.255.255.0
ip router isis
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0
ip address 10.4.34.4 255.255.255.0
ip router isis
clock rate 2000000
isis circuit-type level-2-only
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/1
no ip address
shutdown
clock rate 2000000
!
!
router isis
net 49.0002.4444.4444.4444.00
summary-address 10.0.0.0 255.0.0.0
!
!
!
ip http server
no ip http secure-server
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
line aux 0
line vty 0 4
!
!
end
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