Verifying Congestion Isolation
0....5....1....1....2....2....3....3....4....4....5....5....6....6....7.7
RxWait per hour (last 72 hours)
This example displays the onboard failure log(OBFL) for TxWait caused by receiving PFC pause frames:
module# show logging onboard txwait
---------------------------------
Module: 2 txwait count
---------------------------------
----------------------------
Show Clock
----------------------------
2017-09-22 06:22:17
Notes:
- Sampling period is 20 seconds
- Only txwait delta >= 100 ms are logged
----------------------------------------------------------------------------------
|
Interface
|
----------------------------------------------------------------------------------
|
Eth2/1(VL3)
|
Eth2/1(VL3)
|
Eth2/1(VL3)
|
Eth2/1(VL3)
|
Eth2/1(VL3)
This example displays the onboard failure log(OBFL) for RxWait caused by transmitting PFC pause frames:
module# show logging onboard rxwait
---------------------------------
Module: 14 rxwait count
---------------------------------
----------------------------
Show Clock
----------------------------
2017-09-22 11:53:53
Notes:
- Sampling period is 20 seconds
- Only rxwait delta >= 100 ms are logged
------------------------------------------------------------------------------------
|
Interface
|
-------------------------------------------------------------------------------------
|
Eth14/21(VL3)
|
Eth14/30(VL3)
|
Eth14/29(VL3)
|
Eth14/30(VL3)
|
Eth14/29(VL3)
|
Eth14/30(VL3)
|
Eth14/29(VL3)
|
Eth14/30(VL3)
|
Eth14/29(VL3)
|
Eth14/30(VL3)
This example displays the error statistics onboard failure log (OBFL) for a switch:
switch# show logging onboard error-stats
Cisco MDS 9000 Series Interfaces Configuration Guide, Release 8.x
194
0
5
0
5
0
# = RxWait (secs)
| Delta TxWait Time
| 2.5us ticks | seconds |
|
2508936
|
6
|
3355580
|
8
|
8000000
|
20
|
8000000
|
20
|
8000000
|
20
| Delta RxWait Time
| 2.5us ticks | seconds |
|
2860225
|
7
|
42989
|
0
|
45477
|
0
|
61216
|
0
|
43241
|
0
|
43845
|
0
|
79512
|
0
|
62529
|
0
|
50699
|
0
|
47839
|
0
Congestion Detection, Avoidance, and Isolation
5
0
5
0
5
| Congestion | Timestamp
|
|
31%
| Fri Sep 22 05:29:21 2017 |
|
41%
| Mon Sep 11 17:55:52 2017 |
|
100%
| Mon Sep 11 17:55:31 2017 |
|
100%
| Mon Sep 11 17:55:11 2017 |
|
100%
| Mon Sep 11 17:54:50 2017 |
| Congestion | Timestamp
|
|
35%
| Thu Sep 21 23:59:46 2017 |
|
0%
| Thu Sep 14 14:53:57 2017 |
|
0%
| Thu Sep 14 14:47:56 2017 |
|
0%
| Thu Sep 14 14:47:56 2017 |
|
0%
| Thu Sep 14 14:47:36 2017 |
|
0%
| Thu Sep 14 14:47:36 2017 |
|
0%
| Thu Sep 14 14:47:16 2017 |
|
0%
| Thu Sep 14 14:47:16 2017 |
|
0%
| Thu Sep 14 14:45:56 2017 |
|
0%
| Thu Sep 14 14:45:56 2017 |
0
5
0 2
|
|
|
|