Nortel Networks 100 manual Known Restrictions

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Release Notes for the BayStack 450 10/100/1000 Series Switch

Known Restrictions

The following known restrictions apply to software version V4.0.0 (and earlier versions):

Software version V4.0.0 does not support IGMP-v2 leave messages.

Software version V4.0.0, running on Rev B hardware (HW: RevB in the System Characteristics screen), does not support the BayStack 450-2M3/2S3 MDAs (ATM MDAs).

Limited support for EAPOL TLS Certificates

TLS certificates are supported in mixed stacks only. MD5-Challenge authenticatrion is supported in all configurations.

Mixed stack configurations

The following restrictions apply to mixed stack configurations:

--If you are managing your mixed stack using a console interface, connect the console to a Business Policy Switch.

--Management VLAN functionality is operational only through ports that are configured as both “ingress” and “egress” members for the management VLAN.

--The following BayStack 450 switch features are not available in a mixed stack configuration:

-SNMP Security

-Save Current Settings

-Support for the BayStack 450-2M3/2S3 MDAs (ATM MDAs)

System reset due to MultiLink Trunking reconfiguration

If you add a new unit, that is configured with at least one bounded trunk1 (with no distributed trunks2), into a stack that is configured with one or more distributed trunks, the new unit automatically resets before entering the operational mode of the stack.

1Bounded trunk: an active trunk with all trunk members configured on the same module.

2Distributed trunk: an active trunk with trunk members configured on at least two different units within a single stack.

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Contents Release Notes for the BayStack 450 10/100/1000 Series Switch Copyright 2001 Nortel Networks TrademarksIii Rev Introduction Upgrading the BayStack 450 FirmwareUpgrade Process Upgrading to Software Version V4.0.0 in a Mixed StackRecovering from a Failed Upgrade Important ConsiderationsCreating a Mixed Stack Accessing the Software Images Upgrade RestrictionsNortel Networks Online Documentation New Features Bug FixesKnown Restrictions Known Restrictions Release Notes for the BayStack 450 10/100/1000 Series Switch Known Restrictions Release Notes for the BayStack 450 10/100/1000 Series Switch Known Problems Connecting to Accelar Gigabit Ports 1000BASE-LX Connectors Network Management Supported Network Management ApplicationsOIT Support for Multiple Software Versions
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