Refer to the exhibit. The HSRP instance on each switch displays as active. Which action resolves the problem?
HSRP peers exchange multicast hello packets over the shared Layer 2 VLAN. If VLAN 100 is not permitted between the switches, neither switch receives the other’s hello packets; each therefore regards itself as active and lists the standby router as unknown. Allowing VLAN 100 between the switches restores HSRP peer communication and permits the priority election to select one active router.
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