Brocade Communications Systems Brocade 300 Release Notes page 40


Class 3 frames that have been trapped to CPU will be discarded in the following scenarios on
DCX/DCX-4S/DCX 8510 during the following conditions:

HA failover on DCX/DCX-4S/DCX 8510 platforms while running FOS v7.0 or later firmware

Firmware upgrade from v7.0 to a later release on Brocade 300, 5100, VA-40FC, 5300,
6510

Firmware upgrade from v7.0.1 to a later release on Brocade 6505

Firmware upgrade from v7.1.0 to a later release on Brocade 6520

The QSFP information in the sfpshow output will indicate the ID field as all zeros. This is as
designed.
ras080:FID128:root> sfpshow 5/32
QSFP No: 8 Channel No:0
Identifier: 13 QSFP+
Connector: 12 MPO Parallel Optic
Transceiver: 0000000000000000 16_Gbps id

It is recommended that for directors with more than 300 E_Ports, the switch be disabled prior
to executing the "switchCfgTrunk" command (used to disable or enable trunking on the
switch).

During non-disruptive firmware upgrades, E_Ports in R-RDY mode may cause some frame
drops on the E-port links.
Fabric OS v7.1.0a Release Notes v1.0 Page 40 of 41