Nortel Networks 8100, 1000BASE-XD manual Features

Models: 1000BASE-XD 8100

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Features

Using the Passport 8100 Modules

This chapter includes the following information:

Summary of features

Detailed descriptions of each module

Features

The Passport 8100 modules have the following features:

One active and one optional standby CPU subsystem with fast fail-over in the event of loss of one CPU

Hardware redundancy features, including power supplies, chassis fans, and switch management modules

High-speed forwarding rate, up to 3 million packets per second (peak)

Store-and-forward switching, providing full-performance forwarding at full line speed

Learning rate of 3 million addresses per second (peak)

Address database capacity of up to 16,000 entries at line rate (32,000 entries without flooding)

Connection to a high-speed backplane for forwarding of packets between modules

Front-panel LEDs for monitoring port activity and module operation

Expansion slot for installation of an optional media dependent adapter to provide 100BASE-FX fiber connections, Gigabit Ethernet connections, or additional 10/100BASE-TX connections (Passport 8132TX module only)

Support for Spanning Tree Protocol with one spanning tree group in two modes:

IEEE 802.1D-compliant mode

FastStart mode, which allows the port to reach forwarding state faster Spanning tree can be disabled on individual ports or the entire switch.

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Nortel Networks 8100, 1000BASE-XD manual Features