Chapter 5: Using the Command Line Interface
Quitting Diagnostic Mode
To quit the diagnostic mode, use this command:
The # or > prompt appears after pressing Enter, indicating that you have
entered the administrator or user mode. See
Different CLI Modes and
Prompts
(on page 359).
Diagnostic Commands
The diagnostic command syntax varies from command to command.
Querying DNS Servers
This command syntax queries Internet domain name server (DNS)
information of a network host.
Variables:
• <host> is the name or IP address of the host whose DNS information
you want to query.
Showing Network Connections
This command syntax displays network connections and/or status of
ports.
Variables:
• <option> is one of the options:
ports
or
connections
.
ports Shows TCP/UDP ports.
connections Shows network connections.