Cisco Cisco Expressway Maintenance Manual
Restarting
The restart function shuts down and restarts the Expressway application software, but not the operating system or
hardware. A restart takes approximately 3 minutes.
hardware. A restart takes approximately 3 minutes.
A restart is typically required in order for some configuration changes to take effect, or when the system is being
added to, or removed from, a cluster. In these cases a system alarm is raised and will remain in place until the system
is restarted.
added to, or removed from, a cluster. In these cases a system alarm is raised and will remain in place until the system
is restarted.
If the Expressway is part of a cluster and other peers in the cluster also require a restart, we recommend that you wait
until each peer has restarted before restarting the next peer.
until each peer has restarted before restarting the next peer.
Rebooting
The reboot function shuts down and restarts the Expressway application software, operating system and hardware. A
reboot takes approximately 5 minutes.
reboot takes approximately 5 minutes.
Reboots are normally only required after software upgrades and are performed as part of the upgrade process. A
reboot may also be required when you are trying to resolve unexpected system errors.
reboot may also be required when you are trying to resolve unexpected system errors.
Shutting down
A shutdown is typically required if you want to unplug your unit, prior to maintenance or relocation for example. The
system must be shut down before it is unplugged. Avoid uncontrolled shutdowns, in particular the removal of power to
the system during normal operation.
system must be shut down before it is unplugged. Avoid uncontrolled shutdowns, in particular the removal of power to
the system during normal operation.
Effect on active calls and registrations
Any of these restart options will cause all active calls and registrations to be terminated. (If the Expressway is part of a
cluster, only those calls for which the Expressway is taking the signaling will be terminated.)
cluster, only those calls for which the Expressway is taking the signaling will be terminated.)
For this reason, the System status section displays the number of current calls and registrations, so you can check
these before you restart the system. If you do not restart the system immediately, you should refresh this page before
restarting to check the current status of calls and registrations.
these before you restart the system. If you do not restart the system immediately, you should refresh this page before
restarting to check the current status of calls and registrations.
If Mobile and remote access is enabled, the number of currently provisioned sessions is displayed (Expressway-C
only).
only).
Restarting, rebooting or shutting down using the web interface
To restart the Expressway using the web interface:
1.
Go to Maintenance > Restart options.
2.
Check the number of calls and registrations currently in place.
3.
Click Restart, Reboot or Shutdown as appropriate and confirm the action.
Sometimes only one of these options, such as Restart for example, may be available. This typically occurs
when you access the Restart options page after following a link in an alarm or a banner message.
when you access the Restart options page after following a link in an alarm or a banner message.
—
Restart/reboot: the Restarting/Rebooting page appears, with an orange bar indicating progress.
After the system has successfully restarted or rebooted, you are automatically taken to the Login page.
—
Shutdown: the Shutting down page appears.
This page remains in place after the system has successfully shut down but any attempts to refresh the
page or access the Expressway will be unsuccessful.
page or access the Expressway will be unsuccessful.
Developer Resources
The Expressway includes some features that are intended for the use of Cisco support and development teams only.
Do not access these pages unless it is under the advice and supervision of your Cisco support representative.
Do not access these pages unless it is under the advice and supervision of your Cisco support representative.
Caution
: incorrect usage of the features on these pages could cause the system operation to become unstable,
cause performance problems and cause persistent corruption of system configuration.
These features are:
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Cisco Expressway Administrator Guide
Maintenance