Cabletron Systems SSIM-R8-02 Specifikace stáhnout pdf (Strana 53)

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Enterasys Xpedition User Reference Manual 33

Chapter 5

Bridging

Configuration Guide

Bridging Overview

The Enterasys Xpedition provides the following bridging functions:

• Compliance with the IEEE 802.1d standard

• Compliance with the IGMP multicast bridging standard

• Wire-speed address-based bridging or flow-based bridging

• Ability to logically segment a transparently bridged network into virtual local-area

networks (VLANs), based on physical ports or protocol (IP or IPX or bridged protocols

like Appletalk)

• Frame filtering based on MAC address for bridged and multicast traffic

• Integrated routing and bridging, which supports bridging of intra-VLAN traffic and

routing of inter-VLAN traffic

Spanning Tree (IEEE 802.1d)

Spanning tree (IEEE 802.1d) allows bridges to dynamically discover a subset of the

topology that is loop-free. In addition, the loop-free tree that is discovered contains paths

to every LAN segment.

Bridging Modes (Flow-Based and Address-Based)

The XP provides the following types of wire-speed bridging:

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