Internal LAN issues on Nexus 7k's

[jorge75medina]

Hello All,

My production environment has a long history of key servers hogging internal bandwidth which is impacting speed to image machines, call manager, etc.  I was told that anything close to 80% memory utilization would be an issue. Here is the out put of the "show processes cpu history" command on one of my 7k's which houses our main subnets (SVI's):

sh processes cpu his

11 31 13 31 2125 1 1 1152 1 2 1 1
956487147820646456555207944366628609684456559625546555654848
100
90
80
70
60 # #
50 # #
40 # #
30 # # # ## ## #
20 ## # # ## # ## ### # # # #
10 ### ######### ########### # ########## ###### ## ###### # #
0....5....1....1....2....2....3....3....4....4....5....5....
0 5 0 5 0 5 0 5 0 5

CPU% per second (last 60 seconds)
# = average CPU%

545645343455434334355352356554454565455555445355454554563454
923751940634549816215648561393438754549249373521927737319730
100
90
80
70 * *
60 * * * ** * ** * * * *
50 * **** **** * * ** * **** *********** ** ********** **
40 ******** **** ** * **** ************************************
30 ************************************************************
20 ***************************#*****************************#**
10 ############################################################
0....5....1....1....2....2....3....3....4....4....5....5....
0 5 0 5 0 5 0 5 0 5

CPU% per minute (last 60 minutes)
* = maximum CPU% # = average CPU%

666666666667766666666776666667666766666666666666787666666767676766666678
579675653571171928832214645980453084957216856844205411585123625045777412
100
90
80 ** *
70 ******** ***** * ** ** * **** * ** *** ***** *** **** ***** **** **
60 ************************************************************************
50 ************************************************************************
40 ************************************************************************
30 ************************************************************************
20 ************************************************************************
10 ########################################################################
0....5....1....1....2....2....3....3....4....4....5....5....6....6....7.
0 5 0 5 0 5 0 5 0 5 0 5 0

CPU% per hour (last 72 hours)
* = maximum CPU% # = average CPU%

[balaji.bandi]

we are not sure how your setup and configured in your network, you need to post about your network information to suggest the best config to tune.

is this issue you recently see, what was the changes recently done in the network ?

here is start with : 

show processes cpu sorted | ex 0.0%

https://www.cisco.com/c/en/us/support/docs/interfaces-modules/nexus-7000-series-supervisor-1-module/116137-trouble-nexus7000-highcpu-00.html