IBM ATM OC-3c manual State Possible Causes Possible Solutions Insufficient, Resources, Example

9-8CHAPTER 9: MONITORING THE ATM MODULE

Table 9-3Last LEC Failure Reason

State	Possible Causes	Possible Solutions
Insufficient	Too many connections	You may wish to
Resources	have been requested	consider extending or
	and the tables used by	restructuring your
There are	the LES may be full,	network.
insufficient	and the connection
resources to grant a	cannot be set up.
request.	The ATM Switch is busy	Use a separate ATM
	and cannot provide	Switch for LECS
	LECS functionality.	functionality.
	There is a mismatch	Make the MAX VPI/VCI
	between the VPI/VCI	Bits compatible.
	range supported by
	adjacent ATM devices.
	Example:
	If Switch A supports
	VPI/VCI values 7:511
	and Switch B only
	supports values up to
	7:255, when Signalling
	tries to set up a
	connection using the
	VPI/VCI value 7:256,
	Switch B rejects the

Table 9-3Last LEC Failure Reason

State	Possible Causes	Possible Solutions
Invalid	There is a problem with	Contact 3Com
Requestor ID	the LEC software.	Support.
The LEC Identifier
(LECID) is not zero,
or is not recognized
as this LEC’s LECID.
Invalid LAN	You may have	Check that the Local
Destination	configured an illegal	Administration
	Local Administration	Address is valid.
You are trying to	Address.
register a multicast		Local Administration
address with the LES.		Address setup is
		beyond the scope of
		this guide.
Invalid ATM	The ATM address field	Contact your supplier
Address	may have been	or 3Com Technical
	corrupted or not in the	Support.
Source or	correct format.
destination ATM
address is not in a	For example, it may be
recognized format.	in E.164 when OSI
	N-SAP address coding
	is required.

	connection.
Access Denied	The LEC is trying to join	Check your LANE
	an ELAN that it is not	Services setup.
The LES has denied	allowed to access.
the LEC access to
the ELAN for
security reasons.
(continued)

No Configuration	The MAC address may
	be invalid.
The LECS/LES does
not recognize the
LEC or the	The LEC may be
requested ELAN	requesting a resource
	that is on an ELAN
	which has a different
	LAN type to the LEC.

Check that each MAC address on your network is unique.

Check the LAN type used.

You may have entered	Check that the ELAN
an invalid ELAN name.	name is correct, and
	the ELAN has been set
	up correctly.