Cabletron Systems Smart 04-0053-01 User Manual

Page 23

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SmartSwitch ATM User Guide 2-5

IP Over ATM and LANE

Creating an Emulated LAN

Note

When you create a client, it automatically finds the LECS address using ILMI.

Note

The command

add laneclient

always prompts you with a subnet mask that is

appropriate for the IP address. However, if necessary, you can change the subnet
mask to correspond to the strategy employed within your networks.

As the local client joins the ELAN, the following messages are sent to the Event Log (see Chapter 9,
"Troubleshooting." Sect
ion 9.5):

NOTICE - 'ZLESSRV' LES Join 39:00:00:00:00:00:00:00:00:00:14:41:80:00:20:D4:

14:41:82:00

NOTICE - 'ZLESSRV' BUS Connect 39:00:00:00:00:00:00:00:00:00:14:41:80:00:20:D4:

14:41:82:00

Caution

Never create an ELAN (or ELAN client) with the same subnet as the ATM
SmartSwitch’s Ethernet port.

4.

Enter the

show client

command verify that the client is operational.

SmartSwitch # show client 1

LANE Client 1

============================================================================

Client State : Operational

Client Address : 39:00:00:00:00:00:00:00:00:00:14:41:80:00:20:D4:14:41:81:00

LAN Name : Marketing

LECS Addr Source : ILMI

LECS Address : 39:00:00:00:00:00:00:00:00:00:14:41:80:00:20:D4:14:41:80:01

LES Address : 39:00:00:00:00:00:00:00:00:00:14:41:80:00:20:D4:14:41:82:02

LAN Type : 802.3

MTU : 1516

IP Address : 90.1.1.1

IP NetMask : 255.255.255.0

SmartSwitch #

Note

While creating an ELAN client for the switch is not absolutely necessary, it does
provide management connectivity with the switch over its ATM ports (instead of
the Ethernet port). See Chapter 4, "Routing." Section 4.5 for information about
how to reach switches not directly connected to the Ethernet network.

5.

Physically connect your end nodes and edge devices to the ATM SmartSwitch ports.

6.

Configure the ATM interface or adapter for all end nodes and edge devices. Typically, configuration
consists of specifying LAN Emulation as the connection type, assigning the device an IP address that
corresponds to the subnet of the switch’s client, and indicating that you want the device to either

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