Command Help

You can display commands and syntax information in any mode and from any point in the command hierarchy.

Enter a question mark (?) or a tab in any command mode to display the list of commands available in that mode.

device(config)#?
  acct-profile                     Create/Update Accounting Service Profile configuration
  ad-service                       Create/Update Active Directory Service configuration
  admin                            Create/Update Administrator account configuration
  admin-radius                     Create/Update RADIUS server for Administrators
  adv-forwarding-profile           Create/Update Advanced (Mixed Mode) profile configuration
  ap                               Update AP configuration                                 
  ap-auto-tagging                  Create/Update/Enable Critical AP Auto Tagging rules
  ap-cert-check                    Enable AP certificate check                             
  ap-cert-expired-check            Enable AP expired certificate check                     
  ap-certificate-reset             Reset AP certificate request which failed to updating certificate
  ap-control-mgmt-tos              Enable AP control and management traffic TOS and set TOS value
  ap-heartbeat                     Update AP Heartbeat interval                            
  ap-internal-subnet               Tunnel Internal Subnet                                  
  ap-zone-aggregate                Enable AP Zone data aggregation task                    
  auth-profile                     Create/Update Authentication Service Profile configuration
  bridge-profile                   Create/Update Bridge profile   
  (output truncated)

To display a list of commands that start with a specified character, type the character followed by a question mark (?) or a tab.

device(config)#g?  
  gateway-advance                  Set gateway advance options                             
  get                              command.description                                     
  ggsn-service                     Update GGSN / PGW GTP configuration 

To display keywords and arguments associated with a command, enter the command followed by a question mark (?) or a tab.

device(config)#qos ?
  egress-buffer-profile   User defined QoS egress profile
  mechanism               Change mechanism
  name                    Change name
  profile                 Change bandwidth allocation
  scheduler-profile       User defined QoS profile
  tagged-priority         Change tagged frame priority to profile mapping