Guidelines for Updating a Failover Pair
The following guidelines should be adhered to when upgrading a failover pair between two
systems.
1. Verify that your current failover configuration is operating properly and that there are no
error messages in the Peer Summary Screen on the GUI (
"Configuring Active/Passive Failover
on page 572) or CLI (
2. Upgrade the backup Equalizer first. (
"Upgrading to the Latest Release"
on page 85) The unit
should be configured in failover prior to the upgrade.
3. After upgrading immediately check the logs in the CLI or
on page 619 in the GUI
and view the Equalizer's
Event Log
and
Syslog
for VLAN "mismatch" errors. Also check the GUI
Peer Summary screen for failover related errors. If the Log or Syslog indicate a VLAN mis-
match, configuration synchronization will be automatically disabled. As long as the 2 fail-
over peers are heartbeating and a subnet configured with the command flag enabled works
properly, they will exchange configuration files. It is possible that a VLAN mismatch will not
allow them to synchronize properly.
a. Check the VLANs and subnets on the Primary and Backup Equalizer to verify
that they are configured identically.
b. Check the messages in log for configuration file mismatch. If there is a con-
figuration file mismatch, upgrade the primary Equalizer.Until the primary Equal-
izer is upgraded configuration changes will need to be made on both units for
failover to work properly.
Copyright © 2014 Coyote Point Systems, A Subsidiary of Fortinet, Inc.
All Rights Reserved.
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Equalizer Administration Guide
Summary of Contents for Equalizer GX Series
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