========================================================================
Nortel Networks, Inc					Updated: 3/22/01
BayStack 450                   			
Verion 3.1.1					
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RELEASE SUMMARY:
===============
This is a internal release.  This release incorporates bug fixes 
and feature enhancement after version 3.1.


PLATFORMS SUPPORTED:
===================
BS450


NOTES FOR UPGRADES:
==================

VERSION OF PREVIOUS RELEASES:
Verion 3.1.


COMPATIBILITY:
=============


FEATURES IN THIS RELEASE:
========================

CR 145799:	To add the "leave" portion of IGMP-2 to BS450.

CR 142567:	To generate a trap when there is change in
		power supply status (primery, redundant).

CR 137221:	BayStack450-24t requests a trap for failed
                telnet access.

CR 142564:	To identify the primary/redundant power status
		of each unit of 450 in stack.

CR 147199:	Provided mechanism for flushing forwarding database.

PROBLEMS RESOLVED IN THIS RELEASE:
=================================

CR 143754:	DMLT sends packet multiple times when link is 
		reconnected.

CR 144932:	Unable to add new unit to the stack of
                previously 8 units.

CR 145393:	duplicate of above.

CR 143801:	BS450 running v3.1 image creates a loop
                when IGMP snooping is disabled on DMLT.

CR 145093:	BayStack 450 IP stack lockup or instability
                subsequent to SNMP set request.

CR 132649:	BS450 running v3.0, RMON alarm threshold
                does not support value 0.

CR 141287:	IGMP report MAC address is still 0 from
                BS450.

CR  92527:	450 is not forwarding incoming BPDU when
                STP is disabled.

CR 142112:	TFTP error when copy config to TFTP Server
                connected a few hop away from BS450.

CR 138563:	Radius Server authentication resets the 450.

CR 131622:	IGMP group membership table is not updated
                when the client application is no longer
                receiving multicast traffic.

CR 129397:	450/SNMP trap-v1 generated with UDP source 
                port equal to 0.

KNOWN LIMITATIONS: 
=================
No additional known issues.  For latest release note information, please go to 
Nortel Networks web page.	
  http://support.baynetworks.com/library