Cisco Systems IC-23 Bedienungsanleitung PDF herunterladen (Seite 20)

Configuring LAN Interfaces

Configuring a Fiber Distributed Data Interface

IC-42

Cisco IOS Interface Configuration Guide

Modifying the TB-Min Timer

You can change the TB-Min timer in the PCM from its default value of 100 ms. To do so, use the

following command in interface configuration mode:

Modifying the FDDI Timeout Timer

You can change the FDDI timeout timer in the PCM from its default value of 100 ms. To do so, use the

following command in interface configuration mode:

Controlling SMT Frame Processing

You can disable and enable SMT frame processing for diagnostic purposes. To do so, use one of the

following commands in interface configuration mode:

Enabling Duplicate Address Checking

You can enable the duplicate address detection capability on the FDDI. If the FDDI finds a duplicate

address, it displays an error message and shuts down the interface. To enable duplicate address checking,

use the following command in interface configuration mode:

Setting the Bit Control

You can set the FDDI bit control to control the information transmitted during the Connection

Management (CMT) signaling phase. To do so, use the following command in interface configuration

mode:

Command Purpose

fddi tb-min milliseconds

Sets TB-Min timer in the PCM.

Command Purpose

fddi t-out milliseconds

Sets the timeout timer in the PCM.

Command Purpose

no fddi smt-frames

Disables SMT frame processing.

fddi smt-frames

Enables SMT frame processing.

Command Purpose

fddi duplicate-address-check

Enables duplicate address checking capability.

Command Purpose

fddi cmt-signal-bits signal-bits [phy-a | phy-b]

Sets the FDDI bit control.

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Cisco Systems IC-23 Bedienungsanleitung Seite 20