可能是如下bug有关:
High CPU every 10 min by process SFF8472 with 4 SFP
CSCvm93182
Symptom:
With four GLC-SX-MMD using on 2960L, observed high CPU issue by SFF8472 process every 10 minutes.
The more SFP module in use, the CPU utilization goes higher.
F340.21.06-2900-4#sh process cpu history
262222222229212212221922222 6 8 1 9
090001000002090090009110000888888888888896898598888088888898
100
90 * * * *
80 * * * *
70 * * * * * *
60 * * * * * *
50 * * * * * *
40 * * * * * *
30 # # # * * *
20 ##########################* #
10 ##############################
0....5....1....1....2....2....3....3....4....4....5....5....6
0 5 0 5 0 5 0 5 0 5 0
CPU% per minute (last 60 minutes)
* = maximum CPU% # = average CPU%
Conditions:
WS-C2960L-48PS-LL
15.2(6)E
15.2(6)E2
4 SFP modules GLC-SX-MMD in use
Workaround:
NA
Further Problem Description:
该bug涉及很多产品,其中包括3560,且比12.2高的版本命中了这个bug,目前设备命中bug的可能性很大。
Known Fixed Releases:
(2)
15.2(7.1.33i)E
15.2(6.0.19i)E3
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