-edge switches(3750g)connected thru fiber on both core switches. 2 fiber bundled to each core switch.
-high availability with glbp
-IP PHONES are connected to the edge switches
-from core switch 1, a pc is ddirectly connected doing a cont ping a pc connected to 1 of the edge switches. In this case, communication is disrupted on IP phones and will resume after the mentioned 6 timeouts.
-when 1 core switch goes down, there will be a consecutive 6 timeouts.
HOW CAN I REDUCE THIS TIMEOUTS.