Scenario One Pearland Hospital

Mr. Robertson, the IT director at Pearland Hospital, is responsible for managing the network. Mr. Robertson has requested your help in proposing a network solution that will meet the hospital's requirements. The hospital is growing, and the management has released funds for network improvements.

The medical staff would like to be able to access medical systems using laptops from any of the patient rooms. Doctors and nurses should be able to access patient medical records, x-rays, prescriptions, and recent patient information. Mr. Robertson purchased new servers and placed them in the data center. The wireless LAN (WLAN) has approximately 30 laptops, and about 15 more are due in six months. The servers must have high availability.

Patient rooms are on floors 6 through 10 of the hospital building. Doctors should be able to roam and access the network from any of the floors. A radio-frequency report mentions that a single access point located in each communication closet can reach all the rooms on each floor. The current network has ten segments that reach a single router that also serves the Internet. The router is running Routing Information Protocol Version 1 (RIPv1). The back-end new servers are located in the same segment as those used on floor 1. Mr. Robertson mentions that users have complained of slow access to the servers. He also hands you a table with current IP addresses (see Table 17-1).

Table 17-1 Current IP Addresses

Floor

Servers

Clients

IP Network

1

15

40

200.100.1.0/24

2

0

43

200.100.2.0/24

3

0

39

200.100.3.0/24

4

0

42

200.100.4.0/24

5

0

17

200.100.5.0/24

6

0

15

200.100.6.0/24

7

0

14

200.100.7.0/24

8

0

20

200.100.8.0/24

9

0

18

200.100.9.0/24

10

0

15

200.100.10.0/24

Mr. Robertson would like a proposal to upgrade the network with fast switches and to provide faster access to the servers. The proposal should also cover secure WLAN access on floors 6 through 10. Include an IP addressing scheme that reduces the number of Class C networks the hospital uses. Mr. Robertson wants to reduce the number of networks leased from the Internet service provider (ISP).

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