How to quickly find a JUNOS CLI command if the exact syntax is not known.
When the exact syntax of a configuration command is not known, the CLI command help apropos can be used to obtain a list of all configuration-mode commands that contain a particular text string. In the following example, the help apropos command is used to find all the commands related to ike.
help apropos
[edit]
georg@ankara-re0# help apropos ike
set security traceoptions flag ike
Trace IKE module processing
set security ike
IKE configuration
set security ike proposal
Define an IKE proposal
set security ike proposal <name>
Name of the IKE proposal
set security ike proposal <name> description <description>
Text description of IKE proposal
.
set services ipsec-vpn ike policy <name> proposals
Define the set of IKE proposals
set services ipsec-vpn traceoptions flag ike
georg@ankara-re0#
In JUNOS releases prior to JUNOS 8.0R1, the help apropos command is available only in configuration mode. Beginning with JUNOS 8.0R1, the command has been made available in operational mode.