Next we’ll explore these three important redundancy protocols:
Hot Standby Router Protocol (HSRP) is by far Cisco’s favorite protocol ever! Don’t buy just
one router; buy up to eight routers to provide the same service, and keep seven as backup in
case of failure! HSRP is a Cisco proprietary protocol that provides a redundant gateway for
hosts on a local subnet, but this isn’t a load-balanced solution. HSRP allows you to configure