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"I am still confusing on this mode.
- At the first time configure, I choose Bridge IMPVHA (Default, High Availability toggle - Off). At this stage, does this configuration complete?"
To use redundant architect with STP, I need to use IMPVHA HA off or Bridge STP (STP on).
Can we use it for RSTP?
Please help to explain how GWs work when I enable HA toggle on and when I create group IMPVHA "HA Fail Mode".
IMPVHA with HA toggled ON is used only in an active/passive configuration. Only one unit is bridging at any given time. During normal operation, there will be master and a slave gateway. The master will bridge and the slave will block traffic. The slave will send probes out one of its interfaces at a rate of ten probes per second. As long as the master is functioning, the probes will loop around to the other interface on the slave. This tells the slave that everything is normal. When the slave stops receiving its own probe, it knows the master is no longer present and will take on the roll of master and will stop sending probes.
The probe is an ethernet broadcast using ethernet protocol 0xad00.
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