HP StorageWorks MSA 2/8 - SAN Switch Reference Manual page 755

The connections between pairs of M->M ports will be chosen to exercise the
connections between as many chips (or bloom quadrants) as possible subject to
the setting of allow_intra_chip and the availability of pairs of M->M ports.
Any ports that are cross-cabled will be routed to each other in the normal manner
regardless of the setting of SPLB mode:
P1 TX >>> P2 RX -> P1 TX
P2 TX >>> P1 RX -> P2 TX
Operands
This command has the following operands:
mode
-show
(V4.1.x only)
Example
To enable or disable a two port loopback:
switch:admin> setsplbmode 1
Committing configuration...done.
SPLB mode is now ON.
switch:admin> setsplbmode 0
Committing configuration...done.
SPLB mode is now OFF.
switch:admin>
See Also
setgbicmode
setSfpMode
spinSilk
Fabric OS Version 3.1.x/4.1.x Reference Guide
Specify 1 to enable SPLB mode or 0 to disable SPLB mode. For
V3.1.x, the default (if no operand specified) is 0, SPLB
disabled. For V4.1.x, if no mode is specified the current value
is displayed. This operand is optional.
Specify the -show operand to display the current setting.
This operand is optional.
setSplbMode
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