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Configuring OSI Services

2-2

303535-A Rev 00

Configuring Manual Area Addresses

Manual area addresses are synonymous area addresses configured on the same

intermediate system. You may want to configure manual area addresses when

more than one addressing authority can assign addresses to the routing domain, or

to allow a routing domain to be reconfigured during operation.

A manual area address is a second (or third) area address configured for systems

residing in a single area. When used appropriately, the manual area address

feature can make network management easier.

For example, consider the OSI network shown in Figure 2-1

. All routers and end

systems belong to the area XY. This area was originally assigned the area address

123. The network administrator plans to divide the area into two smaller, more

manageable areas: area X and area Y.

Figure 2-1. Original Area Addresses for Area XY

Taking advantage of the manual area address feature, the administrator can:

Assign the area address 456 to all routers within area XY (Figure 2-2).

End System

L1 Router

L1/L2 Router

Area XY

123

123 123

123

Key

OSI0015A

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Avaya Configuring OSI Services Manual do Utilizador Página 54