Enabling Outbound Nat - Coyote Point Systems Equalizer Installation And Administration Manual

Chapter 4:Administering Equalizer Operation
6. Click the Set button to save the parameters and reboot Equalizer. Rebooting the
default primary Equalizer first will ensure that it assumes the primary role.
Observe the console as the Equalizers reboot. The console messages should indicate that
each Equalizer has successfully assumed the PRIMARY or BACKUP role.

Enabling Outbound NAT

If you're using a reserved network configuration and the servers placed on the non-
routable network need to be able to communicate with hosts on the Internet, you have to
configure Equalizer to perform outbound network address translation (NAT). When
outbound NAT is enabled, Equalizer translates connections originating from the servers
on the reserved network so that external hosts won't see packets originating from non-
routable addresses.
Note – If you are using a second Equalizer for failover, outbound NAT must be enabled on both
Equalizers.
To enable Equalizer to perform outbound NAT:
1. Log into the Equalizer Administration interface with edit access.
2. Select Configure TCP/IP Options from the Equalizer menu in the main menu bar. The
Change Equalizer Parameters dialog is displayed in the right frame. By default, the
TCP/IP tab is visible.
Figure 34 Enabling outbound NAT
3. Enable the Outbound Network Address Translation checkbox.
4. Click the Set button.
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Failover Gateway Address: A unique IP address on the internal network (dual-
network configuration) or external network (single-network configuration). This
address will be assumed by the Equalizer that is running in primary mode and is
the address that the servers should use as their default gateway.
Envoy Failover Address: A unique address that is always configured on the
external interface of the primary Equalizer. It is used by Equalizer to provide
DNS services. (Only specified for dual network configurations with geographic
load-balancing support. For more information, see Chapter 6, "Administering
Geographic Clusters".)
Equalizer Installation and Administration Guide