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22-270
Cisco MDS 9000 Family Command Reference
OL-16217-01, Cisco MDS SAN-OS Release 3.x
Chapter 22 Show Commands
show port index-allocation
show port index-allocation
To display port index allocation information, use the show port index-allocation command.
show port {index-allocation startup | naming}
Syntax Description
Defaults None.
Command Modes EXEC mode.
Command History
Usage Guidelines All software releases prior to Cisco SAN-OS Release 3.0(1) support Generation 1 hardware. Cisco
SAN-OS Release 3.0(1) and later support Generation 2 hardware. You can combine Generation 1 and
Generation 2 switching modules, with either Supervisor-1 modules or Supervisor-2 modules. However,
combining switching modules and supervisor modules has the following limitations:
• Supervisor-1 modules only support a maximum of 256 port indexes, regardless of type of switching
modules.
• Supervisor-2 modules support a maximum of 1024 port indexes when all switching modules in the
chassis are Generation 2.
• Supervisor-2 modules only support a maximum of 256 port indexes when both Generation 1 and
Generation 2 switching modules are installed in the chassis.
Note The Cisco MDS 9124 switch does not support the show port index-allocation startup command;
however, it does support the show port index-allocation command.
Note On a switch where the maximum number of port indexes is 256, any module that exceeds that limit does
not power up.
Examples The following example displays port index allocation information at startup on a Cisco MDS switch with
only Generation 1 switching modules installed.
switch# show port index-allocation startup
index-allocation Displays port index allocation information.
startup Displays port index allocation information at startup.
naming Displays port naming information.
Release Modification
3.0(1) This command was introduced.
3.1(2) Added the naming keyword.
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