D-Link DFL-260-IPS-12 Product Manual - Page 495
HA Advanced Settings, Unique Shared Mac Addresses, Enabled
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11.6. HA Advanced Settings Chapter 11. High Availability 11.6. HA Advanced Settings The following NetDefendOS advanced settings are available for High Availability: Sync Buffer Size How much sync data, in Kbytes, to buffer while waiting for acknowledgments from the cluster peer. Default: 1024 Sync Packet Max Burst The maximum number of state sync packets to send in a burst. Default: 20 Initial Silence The time in seconds to stay silent on startup or after reconfiguration. When the active unit in an HA cluster believes the inactive unit is no longer reachable, it continues to send synchronization traffic normally for a period of one minute in the expectation that the inactive unit will again become reachable. In order not to flood the network unnecessarily, after one minute has elapsed, the synchronization traffic is then only sent after repeated periods of silence. The length of this silence is this setting. Default: 5 Use Unique Shared Mac Use a unique shared MAC address for each interface. For further explanation of this setting see Section 11.3.4, "Unique Shared Mac Addresses". Default: Enabled Deactivate Before Reconf If enabled, this setting will make an active node failover to the inactive node before a reconfigure takes place instead of relying on the inactive node detecting that the active node is not operating normally and then taking over on its own initiative. Enabling this setting shortens the time where no node is active during configuration deployments. Default: Enabled Reconf Failover Time Number of non-responsive seconds before failover at HA reconfiguration. The default value of zero means immediate reconfiguration. Default: 0 495