Cisco Cisco Expressway Maintenance Manual
Enabling maintenance mode
Maintenance mode is typically used when you need to upgrade or take out of service an Expressway peer
that is part of a cluster. It allows the other cluster peers to continue to operate normally while the peer that is
in maintenance mode is upgraded or serviced.
that is part of a cluster. It allows the other cluster peers to continue to operate normally while the peer that is
in maintenance mode is upgraded or serviced.
Putting a peer into maintenance mode provides a controlled method of stopping any further calls from being
managed by that peer:
managed by that peer:
n
New calls will be handled by another peer in the cluster.
n
Any mobile and remote access sessions will discover a new route through another peer in the cluster.
n
Existing calls will continue until the call is terminated. If necessary, you can manually remove any calls on
this peer that do not clear automatically by going to
this peer that do not clear automatically by going to
Status > Calls
, selecting the check box next to the
calls you want to terminate and clicking Disconnect (note that SIP calls may not disconnect immediately).
To maintain capacity, we recommend that you only enable maintenance mode on one peer at a time.
To enable maintenance mode:
1. Log in the relevant peer.
2. Go to the
Maintenance mode
page (
Maintenance > Maintenance mode
).
3. Set Maintenance mode to On.
4. Click Save and click OK on the confirmation dialog.
Note that:
n
An alarm is raised while the peer is in maintenance mode.
n
You can monitor the Resource usage page (
Status > System > Resource usage
) to check how many
calls are currently being handled by that peer.
n
Maintenance mode is automatically disabled if the peer is restarted.
Cisco Expressway Administrator Guide (X8.1)
Page 171 of 344
Maintenance
Enabling maintenance mode