Configuring and Managing Host-Based X.25 Links - Edition 5 (36939-90054)

Chapter 6 129

Conﬁguring X.25 Links Step-by-Step

Conﬁgure Neighbor Gateways

You need to visit the next two screens only if you are conﬁguring a

non-gateway node that is on the same network as a gateway. In this

case, the non-gateway node needs to know the identity of any neighbor

gateway. Neighbor gateways can be either full or half gateways. (Go

back one level by pressing the

[Prior Screen] key, then select

[Neighbor Gateways] key).

Gateways that are on the same network are called neighbor gateways.

A non-gateway node on an X.25 network may need to go through a

neighbor gateway in order to send messages to an entirely different

network. (Two nodes are on the same network if the network portion of

their IP addresses are the same.) All X.25 nodes that are on the same

network as a neighbor gateway need to know the identity of any

neighbor gateways. When you conﬁgure an X.25 node, you enter into its

conﬁguration the identity of any accessible neighbor gateways that

share the same network. The identiﬁed gateways may be either full or

half gateways.

Identify Neighbor Gateways (If Any Are Present)

NMMGR displays the Neighbor Gateways screen (Figure 6-7) when you

press the

[Neighbor Gateways] key at the X.25 Conﬁguration screen.

Figure 6-7 Neighbor Gateways Screen