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● Some packet duplication lasting for a few seconds was possible after an XRN fabric split.
● TCP connection setups could corrupt the memory causing the Switch to reset. This has been seen
whilst managing the unit via the Web interface, with the http traffic going via a proxy server hosted by
Novell Border Manager.
● Using the Web Interface, the 1hour statistics and the 24hour statistics were the same.
● Excessive and/or inconsistant failover times on XRN Fabric split and merge were found under some
configurations and traffic scenarios.
Points to Note when using the Switch 4050 and 4060
Supported Expansion Modules
● 3C17710 – 4 port 1000BASE-SX module
● 3C17711 – 4 port 1000BASE-T module
● 3C17712 – 4 port 1000BASE-LX module
● 3C17714 – 4 port GBIC module
● 3C17716 – XRN Interconnect module
Inserting and Replacing Expansion Modules
CAUTION: The Modules are not hot-insertable or hot-swappable. You must always power down the
Switch and disconnect it from the mains before installing or removing a Module.
● When you insert a Module into the Switch, push the Module in until the Module’s back plate is in full
contact with the Switch’s chassis.
● When you have inserted the Module, secure the Module to the Switch by tightening the three
cap-tive screws fully with a screwdriver.
● If an error is indicated during the Power On Self Test, check that the module has been correctly
inserted.
● Ensure that the blanking plate and its fastenings are stored in a suitable place. If the module is
removed, the blanking plate must be replaced.
● When an expansion module is replaced by another module of a different type, the configuration will
not be completely reset to factory defaults. Specifically, the following module parameters will not be
reset:
❍ Static addresses
❍ Resilient links
❍ IGMP router ports
❍ RMON alarm variables
❍ Spanning Tree port data
● It is recommended that all module configuration should be reviewed after the expansion module has
been replaced.
Auto-MDIX
Auto-MDIX is not available if auto-negotiation is disabled on a port. That port will only operate in MDIX
mode.
Serial Cable