Chapter 3

FDDI Applications

Concentrator Configuration window; Connection Policy window; Station List window; Concentrator Performance window

The FDDI menu, available on devices with an installed and enabled FDDI BRIM, lets you access windows to view information about the Station Management (SMT) entity supported by your FDDI BRIM. The SMT entity provides the system management services for the FDDI protocols, including connection management, node conÞguration, management statistics, and ring recovery. SMT is composed of various subcomponent functions, including Connection Management (CMT) and Ring Management (RMT).

The submenus that provide FDDI management are:

¥ConÞguration, which displays the current conÞguration of the FDDI BRIM, and the status of the ring; see The ConÞguration Window, page 3-2,for details.

¥Connection Policy, which displays the types of connections between the four FDDI PHY (port) types Ð A, B, M, and S Ð that will be allowed by the FDDI BRIM; see the Connection Policy Window, page 3-5for details.

¥Station List, which displays the conÞguration of the FDDI BRIM managed ring, including the number of nodes, node addresses (both Canonical and MAC), node class, and current ring topology; see Station List Window, page 3-8for details.

¥Performance displays the number of frames transmitted and received on the ring, error and lost frames detected on the ring, and the number of ring initializations; see FDDI Performance Window, page 3-10.

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Cabletron Systems 2.2 manual Fddi Applications