In a Cisco Nexus 7000 platform configured with GLBP, which GLBP timer can be tuned to prevent unnecessary GLBP state changes during a switchover or ISSU?()
A、 GLBP redirect timer
B、 GLBP forwarder pre-empt delay minimum timer
C、 GLBP hold timer
D、 GLBP pre-empt delay minimum timer
E、 GLBP extended hold timer
F、 GLBP nonstop forwarding timer