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469 Views 2 Replies Latest reply: May 9, 2013 4:10 AM by dmease729 RSS
dmease729 Champion 267 posts since
Jul 22, 2011
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May 2, 2013 7:28 AM

Is failover always active-active?

From IPS Administration Guide v7.5 rev c

 

p44:

"In Network Security Platform, because both failover Sensors must be ready to process packets on their monitoring ports at all times, both Sensors are actually active at all times; neither Sensor is inoperative, or 'standing by' unless the unit has failed. Instead, both Sensors operate normally."

 

p45:

"Once configured, the two Sensors exchange information to determine their respective roles; the Sensor that has been online the longest becomes the active Sensor. If they have been online for exactly the same amount of time, the Sensor with the higher serial number takes the active role."

 

The latter statement would seem to imply that the one that has been on line shortest, or the one with the lower serial number, is not active, while the former statement advises that the sensors are always active-active...  Which is it?

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