Avaya Configuring SMDS Manual de usuario descargar pdf (Pagina 30)

Configuring SMDS

2-8 117361-A Rev. A

By associating or pairing a different SMDS group address with each IP address,

you achieve multigrouping. A multigroup conﬁguration enables you to use one

SMDS physical line (SNI) to connect many nodes located on different

subnetworks. It also allows you to limit broadcast and multicast trafﬁc, such as

Routing Information Protocol (RIP) updates, Address Resolution Protocol (ARP)

updates, and Open Shortest Path First (OSPF) messages, to their respective SMDS

groups.

For example, in F

igure 2-7, two separate subnetworks share the same SNI. The

routers in these networks use RIP updates to communicate network information.

The routers broadcast RIP updates to each node on the network. Because each RIP

network shares an SNI, the only way to prevent RIP updates from interfering with

one another is to isolate these subnetworks by associating each one with a

different SMDS group address.

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Avaya Configuring SMDS Manual de usuario Pagina 30