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Slow accessing AP6521 via SSH and or GUI

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Information

 
TitleSlow accessing AP6521 via SSH and or GUI
Symptoms
Attempting to access AP6521 via SSH is very sluggish.
Commands take very long to execute or login prompt returns diag message,
Environment
Single radio WiNG APs in virtual controller mode.
AP6511
AP6521
Cause
Low Memory AP is not able to handle too many login session to the AP interface.
Resolution
Disable SNMP on the APs via the Management policy and then reboot the AP.

Via CLI 
ap6521-97CE18>en
ap6521-97CE18#config t
Enter configuration commands, one per line.  End with CNTL/Z.
ap6521-97CE18(config)#management-policy default
ap6521-97CE18(config-management-policy-default)#no snmp-server manager ?
  all  Disable SNMP version v1,v2 and v3
  v1   Disable SNMP version v1
  v2   Disable SNMP version v2
  v3   Disable SNMP version v3
ap6521-97CE18(config-management-policy-default)#no snmp-server manager all
ap6521-97CE18(config-management-policy-default)#com wr
Please Wait .
[OK]
ap6521-97CE18(config-management-policy-default)#show context
management-policy default
 no telnet
 no http server
 https server
 ssh
 user admin password 1 474f29ceb78b79244708a415b3aed4327efb355612df16e670e0f364e2fdf0ca role superuser access all
 no snmp-server manager v3
 snmp-server community 0 public ro
 snmp-server user snmptrap v3 encrypted des auth md5 0 motorola
 snmp-server user snmpmanager v3 encrypted des auth md5 0 motorola
ap6521-97CE18(config-management-policy-default)#

Via GUI

GUI
 
Additional notes
To validate execute "Show Sessions"
This will display a list of all active logged on sessions.
ap6521-97CE18#show sessions
INDEX   COOKIE  NAME            START TIME              FROM                  ROLE
1       5       admin           2017-01-01 01:54:27     192.168.1.90(web)     superuser
2       6       admin           2017-01-01 01:59:19     192.168.1.90          superuser
We should not see any active SNMP sessions if done correctly.

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