Logging Out Of Airwave - Dell PowerConnect W-AirWave 7.6 User Manual

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watched AirWave will be unable to restore properly. If any of the watched AMPs are not on the same version of
AirWave, you will need to upgrade. The Failover AMP will need HTTPS access (port 443) to the watched AMP to
verify that the web page is active and to fetch downloads.
Once the Failover AMP determines that the Watched AMP is not up (based on the user-defined missed poll
threshold) it will restore the data backup of the Watched AMP and begin monitoring the watched AMP APs and
devices. There are many variables that affect how long this will take including how long client historical data is being
retained, but for an AMP with 1,000 APs it might take up to 10 minutes. For an AMP with 2,500 APs, it might
take as long as 20 minutes. The Failover AMP will retain its original IP address.
In summary, the Failover AMP could take over for the Watched AMP in as little as five minutes; it might take up to
an additional 10-20 minutes to unpack the watched AMP data and begin monitoring APs. The most important
factors are the missed poll threshold, which is defined by the user, and the size of the watched AMP backup, which
is affected by the total number of APs and by the amount of data being saved, especially client historical data.
To restore the Watched AMP, run the backup script from the command line and copy the current data file and the
old Watched AMP configuration file to the Watched AMP. Then run the restore script. More information about
backups and restores can be found in
Table 125:
Home > Watched Page Fields and Default Values
Setting
IP/Hostname
Username
Password
HTTP Timeout
(5-1000 Sec)
Polling Enabled
Polling Period
Missed Poll
Threshold
NOTE: When selecting a backup file, be sure to select the one that is most relevant, whether that is failover-as-AMP or failover-as-
failover. An AirWave acting as a failover keeps its nightly backups in /var/airwave-backup, and the backups of watched AMPs are
stored in /var/airwave-backup/watched_amps. In the event of a failover, a new backup-as-failover is made and placed in
/var/airwave-backup/watcher. However, the existing backups-as-failover in /var/airwave-backup remains there until they are aged out
by standard rotation.

Logging out of AirWave

To log out of AirWave, select the Logout link on the upper right hand corner of every AirWave page.
You will be logged off automatically based on the number of minutes set in the Idle Timeout setting of Home >
User Info. Refer to
234 | Performing Daily Administration in AirWave
"Backing Up AirWave" on page
Default
Description
The IP address or Hostname of the watched AMP.
None
The Failover AMP needs HTTPS access to the watched AMPs.
None
A username with management rights on the watched AMP.
None
The password for the username with management rights specified above.
60
The amount of time before AirWave considers a polling attempt failed.
Enables or disables polling of the Watched AMP.
Yes
NOTE: You do not need to disable polling of the watched AMP system if it is set to be down
during nightly maintenance or is being upgraded.
5
The amount of time between polls of the Watched AMP.
minutes
The number of polls that can be missed before the failover AMP will begin actively
None
monitoring the Watched AMP APs.
"Setting Up Login Configuration Options" on page
232.
34.
Dell PowerConnect W-AirWave 7.6 | User Guide

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