Table 9-3Last LEC Failure Reason

State

Possible Causes

Possible Solutions

 

 

 

Invalid Request

The LEC may be

Check the underlying

Parameters

requesting a resource

media for both the

 

that is on an ELAN

ELAN and the LEC

The LES/LECS has

which has a different

requesting the service.

rejected a request

LAN type to the LEC.

 

from the LEC

 

 

because the request

The frame size used

Check the frame sizes

parameters were

could be wrong.

being used.

incompatible with

 

 

the ELAN.

 

 

 

 

 

Duplicate LAN

The LES has received a

Ensure that MAC

Destination

request from a LEC

addresses are unique.

 

which contains a MAC

 

A destination source

address already

 

MAC address

registered to another

 

duplicates a

LEC on the same ELAN.

 

previously registered

 

 

MAC address.

You may have

 

 

accidentally entered the

 

 

same MAC addresses

 

 

twice.

 

 

 

 

 

ATM VLAN LEC Status

9-7

Table 9-3Last LEC Failure Reason

 

 

 

 

 

State

Possible Causes

Possible Solutions

 

 

 

 

Duplicated ATM

The LES has received a

Ensure that ATM

 

Address

request from a LEC

addresses are unique.

 

which contains an ATM

Check the LES

 

A source ATM

address already

database for duplicate

address duplicates a

registered to another

addresses.

 

previously

LEC on the same ELAN.

 

 

registered ATM

 

 

 

address.

For example, if a LES is

 

 

 

faulty, when a LEC

 

 

 

disconnects from the

 

 

LES, the LES might fail to register the change. When the LEC tries to rejoin the LES, the LES still has that LEC’s ATM address in its database, and thinks that two devices have the same ATM address.

You may have accidentally entered the same ATM addresses twice.

(continued)

Page 73
Image 73
IBM ATM OC-3c State Possible Causes Possible Solutions Invalid Request, Parameters, Duplicate LAN, Destination, Address