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22 LANPLEX® 6000 EXTENDED SWITCHING SOFTWARE
■ Roving Analysis frames over a remote Fast Ethernet connection are
truncated if greater than 1495 bytes.
■ ESMs do not support IGMP snooping. IP multicast traffic should be filtered
using a packet filter to avoid unwanted traffic.
■ EFSM packet filters can access packet data through byte 64 in the packet.
■ Bridging and routing performance are degraded on a Roving Analysis
monitor port.
Known Problems The following software problems are identified at this release:
■ Roving Analysis cannot monitor outgoing routed packets.
■ LANplex system software does not route FDDI multicast frames larger than
1500 bytes (that is, frames that require fragmentation).
■ When you install software using the SNMP lpsFt MIB, the install fails unless
you specify a user password.
■ When you install software from an unreachable device using the SNMP lpsFt
MIB, the system reports the incorrect status “statusFileNotFound”, rather than
the correct status “statusRemoteUnreachable”.
■ When you install software using the SNMP lpsFt MIB and you specify an
invalid username/password pair, the system reports the incorrect status
”statusFileNotFound”, rather than the correct status “statusUserAuthFailed”.
■ An NVDATA save procedure fails if it occurs at the same instant when a MAC
address is learned or aged out of the slot’s MAC address table.
■ The FDDI MAC RxFrames, TxFrames, Rxbytes, and Txbytes statistics might
report inaccurate values.
■ FCS error statistics report inaccurate values on the TMM’s Fast Ethernet port.
■ The ESM and TRSM incorrectly report transmit filter statistics.
■ The ESM and TRSM FDDI packet filters cannot access packet data beyond
byte 16 in the packet.
■ If both the Ethernet and the FDDI interfaces have the same class of IP
address, their subnet masks must be the same, although the Administration
Console allows you to enter different subnet masks for these interfaces. If