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Chapter 2 33

Networking Concepts

Internetworks

• Example 4: One of the gateways on your internetwork may be

designated as a default gateway, such as node C in Figure 2-3. A

default gateway is a gateway that is designated to receive any trafﬁc

for which the network is unable to identify a destination. You must

identify the node as a default gateway in the conﬁguration ﬁle of

each node that will access it as the default gateway. If you were

conﬁguring node D, you would identify node C as a default gateway

by entering an at sign (@) in one of the IP address ﬁelds of the

Neighbor Gateway Reachable Networks screen. Only one gateway

may be designated as a default gateway for each node. The default

gateway must be on a LAN or Token Ring network.

Conﬁguring a Gateway Half Pair

If you are conﬁguring a gateway half pair, you will need to conﬁgure a

gateway half NI for each half of the gateway pair. You will ﬁnd

step-by-step instructions for conﬁguring a gateway half NI in this

manual.

In Figure 2-3, nodes E and F form a gateway half pair. When you

conﬁgure a node as a gateway half, you enter its partner’s IP address

into this gateway half’s conﬁguration in the Gatehalf Conﬁguration

screen. If you were to conﬁgure node E in the ﬁgure, you would enter

the IP address of node F.

Figure 2-3 Gateway Conﬁguration Scenarios

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HP E3000/IX Manual de usuario Pagina 33