Enterasys Networks CSX7000 Manuel d'utilisateur télécharger pdf (Page 283)

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Central Site Remote Access Switch 283

ONFIGURING

DVANCED

RIDGING

Bridge Filters

DIAL OUT USING BRIDGE FILTERS

Each type of bridge filter for each operating mode supports a different set of “forwarding actions.”

Your particular set up and device configuration will determine which type of filter and forwarding

arrangement will be the most useful. For our purposes, we will illustrate what we feel to be the

most commonly used filter arrangement: the Destination MAC Address Filter used in Unrestricted

Mode.

XAMPLE: BRIDGE DIAL OUT USING A DESTINATION MAC ADDRESS FILTER

Consider the following situation: you know the destination of a packet, and you want to control its

forwarding action. With the use of filters, you can:

• specify a Device List for connection

• specify a Device List for which you would discard the packet

• specify a LAN or WAN for which you would discard the packet

• specify a complete discard of the packet for the entire system

The following example illustrates how to configure a filter when you know the Destination MAC

Address. To configure filters in other situations, follow similar principles as you work your way

through the CFGEDIT screens. For details on the differences between filters and their forwarding

actions, refer to the discussion beginning on page 274.

Preliminaries

Be sure your system’s resources are properly configured. This includes resources, lines and

datalinks, if applicable. Refer to the chapter Configuring Resources and Lines for details.

In order to have the CyberSWITCH successfully dial out, you must have the device information

properly set up and the dial out number stipulated. Instructions for configuring on-node device

entries are included in the section Configuring a On-node Device Database in the Configuring Device

Level Databases chapter.

In order to use the remote bridge feature and properly set up filters, you must:

• enable MAC layer bridging

• select your mode of operation (restricted or unrestricted)

Access these configuration elements through CFGEDIT’s Options Menu, Configure Bridging. For

our example, we will use the Unrestricted Mode for our Mode of Operation.

Configuring a Destination MAC Address Filter

To configure a bridge filter, you must advance through CFGEDIT’s menus to the Bridge Menu. To

do this:

1. From CFGEDIT’s Main Menu, select Options.

2. From the Options Menu, select Bridging.

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Enterasys Networks CSX7000 Manuel d'utilisateur Page 283

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