Failover
Failover Between EQ/OS 8.6 and EQ/OS 10
The procedures in this section show you how to configure failover using an Equalizer running
EQ/OS 8.6 as the preferred primary and an Equalizer running EQ/OS 10 as the preferred backup.
Guidelines for Upgrading a Failover Pair from EQ/OS 8.6 to EQ/OS 10
The preferred method of upgrading the OS from EQ/OS 8.6 to EQ/OS 10 is:
1. Upgrade the preferred backup Equalizer to EQ/OS 10, while it is in backup failover mode.
Refer to
on page 79 for instructions.
2. Configure the EQ/OS 10 unit and the EQ/OS 8.6 unit into failover, with the EQ/OS 8.6 unit as
the preferred primary. Run the two units in failover to validate that the units are com-
municating properly as observed on the EQ/OS 10 unit.
3. Test failover to EQ/OS 10 by rebooting the EQ/OS 8.6 system so that the EQ/OS 10 system
becomes the current primary. Then, reboot the EQ/OS 10 unit to test failover to the EQ/OS
8.6 unit.
4. While the EQ/OS 8.6 system is the current backup, upgrade it to EQ/OS 10. Verify that the
units are communicating properly. Reboot each unit to ensure that the other unit assumes
the primary role.
EQ/OS 8.6 Failover Constraints
An Equalizer running EQ/OS 10 can be configured into failover with an Equalizer running EQ/OS
8.6, subject to these constraints:
l
The failover configuration is limited to two (2) VLANs only; both Equalizers must be con-
figured with at most two VLANs.
l
Configuration synchronization is
not supported
(that is, the
dont transfer
option must be
enabled on both units). The configurations on both devices must be updated manually to
maintain equivalent configurations, meaning the following:
The VLAN configuration on the EQ/OS 10 Equalizer must match that of the EQ/OS 8.6 Equalizer.
This includes the subnets and failover IP addresses set on each system. [Note that although
EQ/OS 10 supports multiple subnets per VLAN, you can only configure one subnet per VLAN when
enabling failover with an EQ/OS 8.6 system.]
Clusters and servers must be configured equivalently on both systems. This means that cluster
and server IP addresses, ports, and parameters must be set to the same values on both systems.
The difference is that on EQ/OS 8.6, servers are assigned directly to clusters, while on EQ/OS 10,
servers are assigned to server pools and then to clusters. The important point is that the server
pool used in a cluster on EQ/OS 10 must be configured with the same servers used in the
equivalent cluster on the EQ/OS 8.6 system.
l
On the EQ/OS 8.6 system, failover must be configured manually as shown in the procedure
below (i.e., you cannot use the Failover Wizard).
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Copyright © 2014 Coyote Point Systems, A Subsidiary of Fortinet, Inc.
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