Cisco ASR 9000 User Manual

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Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-28417-02
Chapter Configuring General Router Features
Managing Configuration Sessions
The procedure for viewing the active configuration sessions depends on the type of configuration
session. For administration configuration sessions, which assign hardware components in , you must be
in administration EXEC mode to view the active administration configuration sessions. For
configuration sessions, you must be in EXEC mode to view the active configuration sessions.
To view the active administration configuration sessions, connect to the and enter the show
configuration sessions command in administration EXEC mode, as shown in the following example:
RP/0//CPU0:router# admin
RP/0//CPU0:router(admin)# show configuration sessions
To view the active configuration sessions, connect to the appropriate and enter the show configuration
sessions command in EXEC mode, as shown in the following example:
RP/0//CPU0:router# show configuration sessions
Current Configuration Session Line User Date Lock
--00000000 ::
If an asterisk (*) appears in the Lock column, the user is using an exclusive configuration session and
you cannot start a configuration session until the exclusive configuration session closes. For more
information, see the “Starting an Exclusive Configuration Session” section on page 71.
Note Configuration sessions for administration configuration and each are managed independently. For
example, if a user locks the administration configuration, you can still configure an if other users have
not locked a configuration session for that .
Starting a Configuration Session
When you place the router in global configuration mode or administration configuration mode using the
configure command, a new target configuration session is created. The target configuration allows you
to enter, review, and verify configuration changes without impacting the running configuration.
Note The target configuration is not a copy of the running configuration. It has only the configuration
commands entered during the target configuration session.
While in configuration mode, you can enter all Cisco IOS XR software commands supported in that
configuration mode. Each command is added to the target configuration. You can view the target
configuration by entering the show configuration command in configuration mode. The target
configuration is not applied until you enter the commit command, as described in the “Committing
Changes to the Running Configuration” section on page 81.
You can save target configurations to disk as nonactive configuration files. These saved files can be
loaded, further modified, and committed at a later time. For more information, see the “Saving the Target
Configuration to a File” section on page 79.
Starting an Exclusive Configuration Session
An exclusive configuration session allows you to configure the administration configuration or an and
lock out all users from committing configuration changes until you are done. Other users can still create
and modify a target configuration, but they cannot commit those changes to the running configuration
until you exit your exclusive configuration session.

Cisco ASR 9000 Specifications

General

Brand	Cisco
Model	ASR 9000
Category	Network Router
Language	English