Hardware Loop Example: Link Not Ok Event - Cisco Catalyst 3750-E Software Configuration Manual
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Also See for Catalyst 3750-E:
- Getting started manual (27 pages) ,
- Product support bulletin (6 pages) ,
- Configuration handbook (359 pages)
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Chapter 5
Managing Switch Stacks
On a Catalyst 3750-E or 3750-X switch:
Switch# show platform stack ports buffer
==============================================================
Event type LINK: Link status change
Event type RAC: RAC changes to Not OK
Event type SYNC: Sync changes to Not OK
==============================================================
Event
Count
=========
Event type: LINK OK Stack Port 1
0000000153
0000000153
Event type: RAC
0000000154
0000000154
Hardware Loop Example: LINK NOT OK Event
On a Catalyst 3750 switch:
Switch# show platform stack ports buffer
==============================================================
Event type LINK: Link status change
Event type RAC: RAC changes to Not OK
Event type SYNC: Sync changes to Not OK
==============================================================
Event
Count
=========
Event type: LINK OK Stack Port 2
0000000005
0000000005
Event type: RAC
0000000006
0000000006
Event type: LINK NOT OK Stack Port 2
0000000939
0000000939
Event type: RAC
0000000940
0000000940
Event type: LINK OK Stack Port 1
0000000956
0000000956
Event type: LINK OK Stack Port 2
0000000957
0000000957
Event type: RAC
0000000958
0000000958
OL-9775-08
Stack Debug Event Data Trace
Stack
Stack PCS Info
Port
=====
===================================
1
FF01FF00 860351A5 55A5FFFF FFFFFFFF
2
FF01FF00 00017C07 00000000 0000FFFF
1
FF01FF00 860351A5 55A5FFFF FFFFFFFF
2
FF01FF00 00017C85 00000000 0000FFFF
Stack Debug Event Data Trace
Stack
Stack PCS Info
Port
=====
===================================
1
FF08FF00 0001FBD3 0801080B EFFFFFFF
2
FF08FF00 8603E4A9 5555FFFF FFFFFFFF
1
FF08FF00 0001FC14 08050204 EFFFFFFF
2
FF08FF00 8603E4A9 5555FFFF FFFFFFFF
1
FF08FF00 00016879 00010000 EFFFFFFF
2
FF08FF00 0001901F 00000000 FFFFFFFF
1
FF08FF00 000168BA 00010001 EFFFFFFF
2
FF08FF00 0001905F 00000000 FFFFFFFF
1
FF08FF00 86034DAC 5555FFFF FFFFFFFF
2
FF08FF00 86033431 55AAFFFF FFFFFFFF
1
FF08FF00 86034DAC 5555FFFF FFFFFFFF
2
FF08FF00 86033431 55AAFFFF FFFFFFFF
1
FF08FF00 86034DAC 5555FFFF FFFFFFFF
2
FF08FF00 86033431 55AAFFFF FFFFFFFF
Ctrl-Status
===========
0CE60C10
0CE60C10
0CE60C10
0CE60C10
Ctrl-Status
===========
0C100CE6
0C100CE6
0C100CE6
0C100CE6
0C100C14
0C100C14
0C100C14
0C100C14
1CE61CE6
1CE61CE6
1CE61CE6
1CE61CE6
1CE61CE6
1CE61CE6
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
Troubleshooting Stacks
Loopback
Cable
IOS / HW
length
========
========
No /No
50 cm
No /No
3 m
No /No
50 cm
No /No
3 m
Loopback
Cable
IOS / HW
length
========
========
No /No
No cable
No /No
50 cm
No /No
No cable
No /No
50 cm
No /No
No cable
No /No
No cable
No /No
No cable
No /No
No cable
Yes/Yes
No cable
Yes/Yes
No cable
Yes/Yes
No cable
Yes/Yes
No cable
Yes/Yes
No cable
Yes/Yes
No cable
5-31
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Troubleshooting
