Hot Standby Router Protocol - Wikipedia In computer networking, the Hot Standby Router Protocol (HSRP) is a Cisco proprietary redundancy protocol for establishing a fault-tolerant default gateway Version 1 of the protocol was described in RFC 2281 in 1998
Cisco Router HSRP Configuration - Two Examples Using HSRP, the two routers will have a physical IP address configured on their LAN-facing interface, but they will have also a Virtual (HSRP address) which will be used as the default gateway address for hosts on the LAN
Hot Standby Router Protocol (HSRP) - GeeksforGeeks Hot Standby Router Protocol (HSRP) is a CISCO proprietary protocol, which provides redundancy for a local subnet In HSRP, two or more routers gives an illusion of a virtual router