Avaya Configuring IP Services Uživatelský manuál stáhnout pdf (Strana 31)

100

101

Configuring IP Routers and Interfaces

2-3

As part of the router conﬁguration process, the network administrator associates a

network with an interface by assigning the network’s unique IP address to the

circuit on which the interface is conﬁgured.

Multinet Interfaces

The multinet capability allows you to assign multiple IP network/subnet addresses

to a single circuit; each IP address represents a separate network interface on the

circuit.

Multinet is commonly used in IP networks containing hosts that do not understand

subnetting. For example, in Figure 2-2, Hosts A, B, and C are connected by a

router. Because the hosts do not understand subnetting, A, B, and C operate as if

they are all on the same network. While A and C are on the same network, B is

not. To facilitate connectivity between the three hosts, the router is conﬁgured

with interfaces that connect three distinct subnets, as deﬁned by the mask

255.255.255.0. In Figure 2-2, A and C are on a multinet interface.

Figure 2-2. Multinet Conﬁguration

For instructions on using Site Manager to conﬁgure an IP interface, see “Conﬁguring a

Circuit and Adding an IP Interface” on page 2-32 and “Editing IP Interface Parameters” on

page 2-35.

Host

Router

e21

140.250.150.0

e22

140.250.200.0

140.250.250.0

140.250.150.2

140.250.200.56

140.250.250.3

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