show system post

Syntax

show system post <SLOT>

Description

Shows detailed POST information by slot or interface module, which aids in troubleshooting issues at start-up.

Command context

manager

Parameters

<SLOT>

Specifies the slot number for detailed POST information.

Example

Show the detailed POST information on slot 1.

switch#  show system post 1

Slot 1 POST results

Failed Results:

Timestamp         Test Type  Port  Error Code
----------------- ---------  ---- -----------
01/25/15 11:02:32  Loopback   2    0x1010060
01/25/15 11:02:50  Loopback   7    0x1032000
01/25/15 11:02:59  POE        10   0xFFFFFFF
01/25/15 11:02:50  MACSEC     21   0x1082000	

All Ports except the ones listed above have passed the following self-tests
1. Loopback
2. POE
3. MACSEC

Note: This is just a reference. POE and MACSEC tests may not show up in cases where there is no support.

Field descriptions

Field descriptions
Field Description
Timestamp Time and date of the POST failure result
Test Type There are 3 types of tests:
Loopback

Packet loopback test

PoE

PoE controller test

MACSEC

Loopback test with MACSEC enabled

Port Slot port number
Error Code Reason behind failure