D-Link CP310 User Guide - Page 137
must be connected to each other., synchronization interface, then the DMZ/WAN2 ports on the appliances
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Page 137 highlights
Configuring High Availability • You must have at least two identical NetDefend firewalls. • The appliances must have identical firmware versions and firewall rules. • The appliances' internal networks must be the same. • The appliances must have different real internal IP addresses, but share the same virtual IP address. • The appliances' synchronization interface ports must be connected either directly, or via a hub or a switch. For example, if the DMZ is the synchronization interface, then the DMZ/WAN2 ports on the appliances must be connected to each other. The synchronization interface need not be dedicated for synchronization only. It may be shared with an active internal network. You can configure HA for any internal network, except the OfficeMode network. Note: You can enable the DHCP server in all NetDefend firewalls. A Passive Gateway's DHCP server will start answering DHCP requests only if the Active Gateway fails. Note: If you configure HA for the WLAN network: • A passive appliance's wireless transmitter will be disabled until the gateway becomes active. • The two WLAN networks can share the same SSID and wireless frequency. • The WLAN interface cannot serve as the synchronization interface. Chapter 5: Managing Your Network 121
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