Brocade CPU utilization high

Owned by Dominik Karch
23.03.23
4 min read



About this task

Due to the amount of REST connections, it is possible to have a high CPU utilization on your switch.

A possible solution is, to activate the KeepAlive function.


Applies to

All BVQ Versions


Procedure

  • Discover the used protocol
  • Check the if a certificate is activated (SW / Key exist?)
  • enable the "keepalive" function
Brocade
 switch99:FID128:bvq> mgmtapp --show
  REST Configuration:
        Interface State: Enabled
        Effective Protocol: HTTPS only
        HTTP State: Enabled
        Session Count: 10
        Throttling Configurations:
           Sample Requests      : 120
           Sample Time (in sec) : 30
           Idle Time (in sec)   : 3

  HTTPS Configuration:
        KeepAlive : Disabled
        KeepAliveTimeout : 15sec


-------------------------------------------------------------------------------------    

switch99:FID128:bvq> seccertmgmt show -all
ssh private key:
   Does not Exist
ssh public keys available for users:
   None

Certificate Files:
--------------------------------------------------------------------------------------------------------------------
Protocol   Client CA                 Server CA                 SW                        CSR     PVT Key Passphrase
--------------------------------------------------------------------------------------------------------------------
FCAP       Empty                     NA                        Empty                     Empty   Empty   Empty
RADIUS     Empty                     Empty                     Empty                     Empty   Empty   NA
LDAP       Empty                     Empty                     Empty                     Empty   Empty   NA
SYSLOG     Empty                     Empty                     Empty                     Empty   Empty   NA
HTTPS      NA                        Empty                     Exist                     Empty   Exist   NA
KAFKA      NA                        Exist                     NA                        NA      NA      NA
ASC        NA                        Empty                     NA                        NA      NA      NA         


-------------------------------------------------------------------------------------  


switch99:bvq> mgmtapp --enable keepalive
HTTP mode will be disabled after enabling KeepAlive.Do you want to continue?(y or n) y
KeepAlive enabled successfully.


-------------------------------------------------------------------------------------  



 switch99:FID128:bvq> mgmtapp --show
  REST Configuration:
        Interface State: Enabled
        Effective Protocol: HTTPS only
        HTTP State: Enabled
        Session Count: 10
  HTTPS Configuration:
        KeepAlive : Enabled
        KeepAliveTimeout : 15sec