Troubleshooting Exercises

1: In the internetwork of Figure 3.3 and the associated configurations, the route entries for Piglet are changed from

Piglet(config)# ip route 192.168.1.0 255.255.255.0 192.168.1.193 Piglet(config)# ip route 10.4.0.0 255.255.0.0 192.168.1.193

Piglet(config)# ip route 192.168.1.0 255.255.255.224 192.168.1.193 Piglet(config)# ip route 10.0.0.0 255.255.0.0 192.168.1.193

What is the result?

2: The static route configurations for the routers in Figure 3.27 are as follows:

Figure 3.27. The internetwork for Troubleshooting Exercise 2.

Figure 3.27. The internetwork for Troubleshooting Exercise 2.

RTA

ip

route

172

.20.

. 96.

0

255.

255.

240.

0

172.

20.

20.

1

ip

route

172

.20.

.82.

0

255.

255.

240.

0

172 .

20.

20.

1

ip

route

172

.20.

.64.

0

255.

255.

240.

0

172.

20.

20.

1

ip

route

172

.20.

. 160

.0

255

.255

.240

.0

172

.20

.30

.255

ip

route

172

.20.

144

.0

255

.255

.240

.0

172

.20

.30

.255

ip

route

172

.20.

128

.0

255

.255

.240

.0

172

.20

.30

.255

RTB

ip

route

172

.20.

192

.0

255

.255

.240

.0

172

.20

.16

.50

ip

route

172

.20.

224

.0

255

.255

.240

.0

172

.20

.16

.50

ip

route

172

.20.

128

.0

255

.255

.240

.0

172

.20

.16

.50

ip

route

172

.20.

160

.0

255

.255

.240

.0

172

.20

.30

.255

ip

route

172

.20.

144

.0

255

.255

.240

.0

172

.20

.30

.255

ip

route

172

.20.

128

.0

255

.255

.240

.0

172

.20

.30

.255

RTC

ip

route

172

.20.

192

.0

255

.255

.240

.0

172

.20

.16

.50

ip

route

172

.20.

208

.0

255

.255

.255

.0

172

.20

.16

.50

ip

route

172

.20.

224

.0

255

.255

.240

.0

172

.20

.16

.50

ip

route

172

.20.

. 96.

0

255.

255.

240.

0

172.

20.

20.

1

ip

route

172

.20.

.82.

0

255.

255.

240.

0

172.

20.

20.

1

ip

route

172

.20.

.64.

0

255.

255.

240.

0

172.

20.

20.

1

Users are complaining of several connectivity problems in this internet. Find the mistakes in the static route configurations.

Figure 3.28 shows another internetwork in which users are complaining of connectivity problems. Figures 3.29 through 3.32 show the route tables of the four routers. Find the mistakes in the static route configurations

Figure 3.28. The interntwork for Troubleshooting Exercise 3.

Figure 3.28. The interntwork for Troubleshooting Exercise 3.

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