Chapter 4. Using OPCON
This chapter describes the OPCON interface configuration and operational
commands. It includes the following sections:
v“Accessing the OPCON Process”
v“OPCON Commands”

Accessing the OPCON Process

When the router starts for the first time, a boot message appears on the console.
Then the OPCON prompt (*) appears on the console, indicating that the OPCON
process is active and ready to accept commands.
The OPCON process allows you to configure, change, and monitor all of the
router’s operating parameters. While in the OPCON process, the router is
forwarding data traffic. When the router is booted and enters OPCON, a copyright
logo and an asterisk (*) prompt appears on the locally attached console terminal.
This is the OPCON (OPerator’s CONsole) prompt, the main user interface that
allows access to second-level processes.
Some changes to the router’s operating parameters made while in OPCON take
effect immediately without requiring reinitializing of the router. If the changes do not
take effect, use the restartcommand at the * prompt.
At the * prompt, an extensive set of commands enables you to check the status of
various internal software processes, monitor the performance of the router’s
interfaces and packet forwarders, and configure various operational parameters.

OPCON Commands

This section describes the OPCON commands. Each command includes a
description, syntax requirements, and an example. The OPCON commands are
summarized in Table3. To use them, access the OPCON process and enter the
appropriate command at the OPCON prompt (*).
Table3. OPCON Commands
Command Function
? (Help) Displays all the commands available for this command level or lists the
options for specific commands (if available). See “Getting Help” on page
10.
Breakpoint Enters the MOS system debugging tool.
Divert Sends the output from a process to a console or other terminal.
Flush Discards the output from a process.
Halt Suspends the output from a process.
Intercept Sets the OPCON default intercept character.
Logout Logs out a remote console.
Memory Reports the router’s memory usage.
Pause Suspends EasyStart (for EasyStart only).
Reload Reloadsthe router software.
Restart Restarts(but does not reload) the router software.
Status Shows information about all router processes.
Stop Stops EasyStart and enters Config Only mode (for EasyStart only).
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