How to Configure HSRP on Cisco

Hot Standby Protocol(HSRP) is a network protocol that provides redundancy in router networks for different VLANs. HSRP is a Cisco proprietary protocol. its used UDP port 1985 and Multicast address 224.0.0.102( V2) and 224.0.0.2 ( V1).HSRP MAC address Format: 0000.0c07.ACxx for redundancy protocol others vendor used VRRP(Virtual Router Redundancy Protocol) HSRP ensures only a single router is forwarding packets that called active router on behalf of the virtual router at any given time. A standby router is ready to become the… Read More

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