10-26-2009 09:23 AM - edited 03-10-2019 04:48 AM
Do they support active passive failover. And can you just use one sensor and set it to fail open?
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10-26-2009 09:34 AM
The is no statefull failover for the Cisco IPS Sensors. You can set the sensors to fail open, but only the 4260 has a hardware failopen capability. This means that the other sensors have to fail in such a way that they KNOW that they've failed in order to pass traffic around the sensor. In my experience this is not a reasonable assumption to make and you would be better serviced making other failopen arraingements with an eaternal switch.
10-26-2009 09:34 AM
The is no statefull failover for the Cisco IPS Sensors. You can set the sensors to fail open, but only the 4260 has a hardware failopen capability. This means that the other sensors have to fail in such a way that they KNOW that they've failed in order to pass traffic around the sensor. In my experience this is not a reasonable assumption to make and you would be better serviced making other failopen arraingements with an eaternal switch.
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