Technical Tip: The usage of "grep" filter command on the FortiGate CLI

[Jonathan_Body_FTNT]

Description
Following the release of FortiOS firmware version 4.0 MR2, the "grep" filter command can be used on the CLI of a FortiGate system.
Scope
FortiOS firmware version 4.0 MR2

FortiOS firmware version 4.0 MR3

FortiOS firmware version 5.0.x

Solution
The "grep" command is applied as a standard command filter within the FortiOS firmware, with the following syntax:
 
FGT# show  <subcommand>  | grep <expression>

FGT# diagnose  <subcommand>  | grep <expression>
 
 
Example:

 
<!--[if !supportLineBreakNewLine]-->
FGT # show system interface
 
 

config system interface
    edit "port1"
        set vdom "root"
        set ip 192.168.183.104 255.255.254.0
        set allowaccess ping ssh http telnet
        set type physical
    next
    edit "port2"
        set vdom "root"
        set ip 172.31.225.104 255.255.254.0
        set allowaccess ping https ssh http telnet
        set type physical
    next

FGT # show sys interface | grep 192

set ip 192.168.183.104 255.255.254.0

FGT # show system interface | grep https

set allowaccess ping https ssh http telnet