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Creating a LANE Plan and Worksheet

Connected to ATM-5.

Escape character is '^]'.

ATM>

After opening the session, you see the ATM> prompt. You then have direct access only to the ATM

module with which you have established a session.

Note

The ATM module uses a subset of Cisco IOS software. Generally, Cisco IOS software works the same on

the ATM module as it does on routers.

To configure the ATM module, you must use the ATM configuration mode in the Cisco IOS software. To

enter global configuration mode, enter the configure EXEC command at the privileged EXEC prompt

(ATM#). You see the following message, which asks you to specify the terminal, the NVRAM, or a file

stored on a network server as the source of configuration commands:

Configuring from terminal, memory, or network [terminal]?

If you specify terminal, the run-time configuration is used. You can then save the run-time configuration

into the NVRAM. If you specify memory, the run-time configuration is updated from the NVRAM. If you

specify network, the run-time configuration is updated from a file in a server on the network.

Note

You cannot configure from the network.

The ATM module accepts one configuration command per line. You can enter as many configuration

commands as you want.

You can add comments to a configuration file describing the commands you have entered. Precede a

comment with an exclamation point (!) or pound sign (#). Comments are not stored in NVRAM or in the

active copy of the configuration file. In other words, comments do not appear when you list the active

configuration with the write terminal EXEC command or list the configuration in NVRAM with the show

configuration EXEC command. Comments are stripped out of the configuration file when it is loaded to the

ATM module.

Creating a LANE Plan and Worksheet

Before you begin to configure Token Ring LANE, you must decide whether you want to set up one or

multiple ELANs. If you set up multiple ELANs, you must also decide where the servers and LECs will be

located, and whether to restrict the clients that can belong to each ELAN. Bridged ELANs are configured

just like any other LAN, in terms of commands and outputs. Once you have made those decisions, you can

configure Token Ring LANE.

Before implementing Token Ring LANE, it might help you to begin by drawing up a plan and a worksheet

for your own LANE scenario, showing the following information and leaving space to note the ATM

address of each LANE component on each subinterface for each participating switch:

•

Catalyst 5000 series switch interface where the LECS will be located.

Catalyst 5000 series switch interface and subinterface where the LES/BUS for each ELAN will be

located. For fault-tolerant operation, multiple servers can be on each ELAN.

Catalyst 5000 series switch ATM modules, subinterfaces, and VLANs where the LECs for each ELAN

will be located.

Name of the default ELAN (optional). The default Token Ring ELAN is the same as the default

TrCRF (1003). You can use the default Token Ring ELAN (trcrf-default) or configure a new one.

Token Ring LANE Configuration Task List