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Beginner

Explanation for Interrupt Counter Names (sh logg onboard) - FCP_MAC_...

Hi there,

I´m currently looking for addtl. explanations / information regarding the "show logging onboard module" command which provides an output like this:

------------------------------------------------------------------------------
INTERRUPT COUNTS INFORMATION FOR DEVICE ID 63 DEVICE: Stratosphere
------------------------------------------------------------------------------
                                   |        |        |   Time Stamp    |In|Port
   Interrupt Counter Name          | Count  | Thresh |MM/DD/YY HH:MM:SS|st|Rang
                                   |        |        |                 |Id|e
------------------------------------------------------------------------------
FCP_MAC_SR2_SYNC_ACQ_EVENT         |6       |0       |01/05/10 02:03:00|02|35
FCP_MAC_SR2_SYNC_LOST_EVENT        |17      |0       |01/05/10 02:03:00|02|35
FCP_MAC_SR1_LR_DETECTED            |1a      |0       |01/05/10 02:04:50|02|35
FCP_MAC_SR2_LR_IDLE_RECEIVED       |1a      |0       |01/05/10 02:04:50|02|35
FCP_MAC_SR1_LR_DETECTED            |18      |0       |01/05/10 21:02:32|03|48
FCP_MAC_SR2_LR_IDLE_RECEIVED       |18      |0       |01/05/10 21:02:32|03|48
FCP_MAC_SR6_LOSS_OF_SIGNAL         |17      |0       |01/05/10 21:02:32|03|48
FCP_MAC_SR2_SYNC_ACQ_EVENT         |7       |0       |01/08/10 02:15:47|02|35
FCP_MAC_SR2_SYNC_LOST_EVENT        |18      |0       |01/08/10 02:15:47|02|35
FCP_MAC_SR1_LR_DETECTED            |1b      |0       |01/08/10 02:17:38|02|35
FCP_MAC_SR2_LR_IDLE_RECEIVED       |1b      |0       |01/08/10 02:17:38|02|35
FCP_MAC_SR2_SYNC_LOST_EVENT        |19      |0       |01/13/10 02:31:09|02|35
FCP_MAC_SR1_LR_DETECTED            |1c      |0       |01/13/10 02:33:00|02|35
FCP_MAC_SR1_NOS_DETECTED           |4       |0       |01/13/10 02:33:00|02|35
FCP_MAC_SR2_LR_IDLE_RECEIVED       |1c      |0       |01/13/10 02:33:00|02|35
FCP_MAC_SR2_SYNC_LOST_EVENT        |1a      |0       |01/15/10 04:01:43|02|35
FCP_MAC_SR1_LR_DETECTED            |1d      |0       |01/15/10 04:03:23|02|35
FCP_MAC_SR2_LR_IDLE_RECEIVED       |1d      |0       |01/15/10 04:03:23|02|35

Can anyone provide me some more information what each line is trying to say me and what might be a possible reason / cause for this?

Thanks,

Markus

3 REPLIES 3
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Cisco Employee

These interupts are for fc lower layer, does not necessary mean there is an error.

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Beginner

As explained by Galen, these are FC primitive sequences which are exchanged when link comes up or goes down. Here is more information.

Primitive Sequence - NOS

Not Operational Sequence

Transmitted by the Port to indicate that  Link Failure had been detected

Loss of Sync

Loss of signal

Port is Offline

Primitive Sequence - OLS

Offline Sequence

Transmitted by Port to indicate that it is: Initiating the Link Initialization Protocol

Receiving NOS

Entering the Offline State

Primitive Sequence  LR

Link Reset Sequence

Transmitted by Port to Indicate that it is:  Initiating the Link Reset Protocol

To Recover from a Link Timeout

Primitive Sequence  LRR

Link Reset Response Sequence

Transmitted by Port to indicate that: Link Reset is being received

Highlighted

Thanks for this !

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