1??R4 ping??Í? 209.65.200.225 2??R4 ping??Í? 5.5.5.5
3??R1 ping??Í? 45.1.1.5
4??R4 ping??Í? 12.1.1.1
------------------------R1------------------
en
conf t
hostname R1
!
no ip domain lookup
!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
ip ospf network point-to-point !
interface FastEthernet0/0
ip address 12.1.1.1 255.255.255.0
ip mtu 1492
ip ospf priority 0
no sh
interface Serial1/1
ip address 145.1.1.1 255.255.255.0
encapsulation frame-relay
no sh
!
router ospf 1
router-id 1.1.1.1
log-adjacency-changes
area 1 range 12.0.0.0 255.0.0.0 not-advertise
network 1.1.1.1 0.0.0.0 area 0
network 12.1.1.1 0.0.0.0 area 1
network 145.1.1.0 0.0.0.255 area 0 !
line con 0
exec-timeout 0 0
logging synchronous
------------------------R2------------------
en
conf t
hostname R2
!
no ip domain lookup
!
interface Loopback0
ip address 2.2.2.2 255.255.255.0
!
interface Loopback1
ip address 209.65.200.225 255.255.255.252
!
interface FastEthernet0/0
ip address 12.1.1.2 255.255.255.252
ip ospf priority 0
no sh
router ospf 1
router-id 1.1.1.1
log-adjacency-changes
redistribute connected
network 2.2.2.2 0.0.0.0 area 1
network 12.1.1.0 0.0.0.0 area 1
!
!
line con 0
exec-timeout 0 0
logging synchronous
------------------------R3------------------
en
conf t
hostname FRSW
!
no ip domain lookup
!
frame-relay switching !
interface Serial1/0
no sh
encapsulation frame-relay
serial restart-delay 0
clock rate 64000
frame-relay intf-type dce
frame-relay route 501 interface Serial1/1 105
!
interface Serial1/1
no shut
encapsulation frame-relay
serial restart-delay 0
clock rate 64000
frame-relay intf-type dce
frame-relay route 104 interface Serial1/2 401
frame-relay route 105 interface Serial1/0 501
!
interface Serial1/2
no shut
encapsulation frame-relay
serial restart-delay 0
clock rate 64000
frame-relay intf-type dce
frame-relay route 401 interface Serial1/1 104
!
line con 0
exec-timeout 0 0
logging synchronous
------------------------R4------------------
en
conf t
hostname R4
!
no ip domain lookup
!
interface Loopback0
ip address 4.4.4.4 255.255.255.0
ip ospf network point-to-point !
interface Serial1/2
ip address 145.1.1.4 255.255.255.0
encapsulation frame-relay
serial restart-delay 0
no sh
interface Serial1/3
ip address 45.1.1.4 255.255.255.0 no sh
router ospf 1
router-id 4.4.4.4
log-adjacency-changes
network 4.4.4.0 0.0.0.255 area 0
network 45.1.1.0 0.0.0.255 area 0
network 145.1.1.0 0.0.0.255 area 0 !
line con 0
exec-timeout 0 0
logging synchronous
------------------------R5------------------
en
conf t
hostname R5
!
no ip domain lookup
!
interface Loopback0
ip address 5.5.5.5 255.255.255.0
ip ospf network point-to-point !
interface Serial1/0
ip address 145.1.1.5 255.255.255.0
encapsulation frame-relay
ip ospf netwo no sh
!
interface Serial1/3
ip address 45.1.1.5 255.255.255.0
encapsulation ppp
no sh
router ospf 1
router-id 5.5.5.5
log-adjacency-changes
network 5.5.5.5 0.0.0.0 area 0
network 45.1.1.0 0.0.0.255 area 2
network 145.1.1.0 0.0.0.255 area 0 !
line con 0
exec-timeout 0 0
logging synchronous