High Availability Configuration | 233When configured, the LAN and WAN connection status is detected and displayed in the HighAvailability Status section at the top of the page.To configure network monitoring:Step 1 On the High Availability > Settings page under Network Monitoring Address, type the LAN IPaddress into the LAN Monitoring Address field.Step 2 Type the WAN IP address into the WAN Monitoring Address field.Step 3 Click Accept.Synchronizing FirmwareYou can synchronize firmware from the active unit to the idle unit in the HA pair by clicking theSynchronize Firmware button.This allows you to synchronize firmware between the units after upgrading the active unit to adifferent version.Clicking the Accept button does not synchronize firmware, but synchronizes settings from theactive to the idle unit.Technical FAQ1. Once HA is enabled, can the idle device be used separately?No. Once HA is configured, only one device can be in use at any one time. During failoverthe Idle device will become Active. Two devices in HA mode cannot be used as separateSRA appliances.2. What will happen if we remove the X3 interface cable from the devices?If you remove the X3 (HA) cable then the IDLE device can be re-configured to work as astandalone. However, this will cause an IP conflict, as both the primary and backup deviceshave the same IP configuration.3. Can the X3 interface settings be amended, once HA is enabled?When HA is configured, the ‘Edit’ button for the X3 interface is grayed out and disabled. Sothe interface setting for X3 cannot be changed once the devices are in HA mode.4. Can the X0, X1 and X2 interface settings be amended once HA mode is set up?