DELL N3000 User Manual

Managing a Switch Stack

When the stack master fails, session A drops. The initiator at 10.1.1.10 

detects a link down on its primary NIC and attempts to reestablish the 

session on its backup NIC to a different IP address on the disk array. The 

hardware forwards the packets to establish this new session, but assuming the 

session is established before the control plane is restarted on the backup unit, 

the new session receives no priority treatment in the hardware. 
Session B remains established and fully functional throughout the restart and 

continues to receive priority treatment in the hardware.