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5-9
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Chapter 5 Troubleshooting Mixed Generation Hardware
Generation 1 and Generation 2 Issues
Step 2 Choose Interfaces > Show Port Index Allocation > Startup to display the index allocation that the
switch uses when it reboots.
Startup module index distribution:
------------------------------------------------------+
Slot | Allowed | Alloted indices info |
| range | Total | Index values |
-----|---------|-------|------------------------------|
1 | 0- 255| 16 | 64-79 |
2 | 0- 255| 12 | 0-11 |
SUP | ----- | 3 | 253-255 |
Step 3 Choose Physical > Modules to display the reason why a module does not power up.
Verifying Port Index Allocation Using the CLI
To verify port index allocation using the CLI, follow these steps:
Step 1 Use the show port index-allocation command to display the allocation of port indexes on the switch.
switch# show port index-allocation
Module index distribution:
------------------------------------------------------+
Slot | Allowed | Alloted indices info |
| range | Total | Index values |
-----|---------|-------|------------------------------|
1 | 0- 255| 16 | 32-47 |
2 | 0- 255| 12 | 0-11 |
3 | 0- 255| - | (None) |
4 | 0- 255| - | (None) |
7 | 0- 255| - | (None) |
8 | 0- 255| - | (None) |
9 | 0- 255| - | (None) |
SUP | ----- | 3 | 253-255 |
In some cases, the sequence in which switching modules are inserted into the chassis determines if one
or more modules is powered up.
Step 2 Use the show port index-allocation startup command to display the index allocation the switch uses
when it reboots.
switch# show port index-allocation startup
Startup module index distribution:
------------------------------------------------------+
Slot | Allowed | Alloted indices info |
| range | Total | Index values |
-----|---------|-------|------------------------------|
1 | 0- 255| 16 | 64-79 |
2 | 0- 255| 12 | 0-11 |
SUP | ----- | 3 | 253-255 |
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