You are the network administrator at Ranet, and have to config the routers both Ranet-HQ and Ranet-BR to make the connection throughout Ranet network and with the Internet.
So all you have to do are:
(Config via console of each router.)
1. Enable and set IP address on LAN interface of each router to be the last assignable IP of each subnet.
2. Enable serial interface on each router and set IP address on each interface as:
- s0/0/0 on Ranet-BR: last IP of 128.0.6.156/30
- s0/0/0 on Ranet-HQ: first IP of 128.0.6.156/30
- s0/1/0 on Ranet-HQ: last IP of 128.0.6.92/30
all serial interface use HDLC as encapsulation protocol and do not forget to set clock rate at 64 kbps on Ranet-BR side.
3. Set OSPF as routing protocol on each router to let Host1 connect to Host2 in the condition that:
- Use Process ID: 1 for Ranet-HQ and Process ID: 100 for Ranet-BR
- Set RouterID of Ranet-HQ to be 1.1.0.1, and set to be 1.1.1.1 for Ranet-BR
4. Set default route on each router to let both Host1 and Host2 be able to connect to the Online Server
(203.87.129.95) in the internet.
————————————- End ———————————-
Solution:
Ranet-HQ config:
(copy & paste these commands to Ranet-HQ router)
enconf tint fa0/0no ship add 128.0.6.142 255.255.255.240int s0/0/0no ship add 128.0.6.157 255.255.255.252int s0/1/0no ship add 128.0.6.94 255.255.255.252exitint loopback 0ip add 1.1.0.1 255.255.255.0exit
router ospf 1network 128.0.6.128 0.0.0.15 area 0network 128.0.6.156 0.0.0.3 area 0exitip route 0.0.0.0 0.0.0.0 se0/1/0end
Ranet-HQ#sh ip protocol
Routing Protocol is “ospf 1″
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Router ID 1.1.0.1
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
Maximum path: 4
Routing for Networks:
128.0.6.128 0.0.0.15 area 0
128.0.6.156 0.0.0.3 area 0
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 110)
Ranet-HQ#copy run start
Destination filename [startup-config]?
Building configuration…
[OK]
Ranet-HQ#
Ranet-BR config:
(copy & paste these commands to Ranet-BR router)
enconf tint fa0/0no ship add 128.0.6.150 255.255.255.248int s0/0/0no shclock rate 64000ip add 128.0.6.158 255.255.255.252exitint loopback 0ip add 1.1.1.1 255.255.255.0exit
router ospf 100network 128.0.6.144 0.0.0.7 area 0network 128.0.6.156 0.0.0.3 area 0exitip route 0.0.0.0 0.0.0.0 se0/0/0end
Ranet-BR#sh ip protocol
Routing Protocol is “ospf 100″
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Router ID 1.1.1.1
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
ART-CNA-003-L43
Maximum path: 4
Routing for Networks:
128.0.6.144 0.0.0.7 area 0
128.0.6.156 0.0.0.3 area 0
Routing Information Sources:
Gateway Distance Last Update
128.0.6.157 110 00:00:20
Distance: (default is 110)
Ranet-BR#sh ip route
Codes: C – connected, S – static, I – IGRP, R – RIP, M – mobile, B – BGP
D – EIGRP, EX – EIGRP external, O – OSPF, IA – OSPF inter area
N1 – OSPF NSSA external type 1, N2 – OSPF NSSA external type 2
E1 – OSPF external type 1, E2 – OSPF external type 2, E – EGP
i – IS-IS, L1 – IS-IS level-1, L2 – IS-IS level-2, ia – IS-IS inter area
* – candidate default, U – per-user static route, o – ODR
P – periodic downloaded static route
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
128.0.0.0/16 is variably subnetted, 3 subnets, 3 masks
O 128.0.6.128/28 [110/782] via 128.0.6.157, 00:00:29, Serial0/0/0
C 128.0.6.144/29 is directly connected, FastEthernet0/0
C 128.0.6.156/30 is directly connected, Serial0/0/0
S* 0.0.0.0/0 is directly connected, Serial0/0/0
Ranet-BR#copy run start
Destination filename [startup-config]?
Building configuration…
[OK]
Ranet-BR#
———————– The End ———————
Everything is OK.
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