Tag archive: HSRP

First Hop Redundancy Protocols have been invented for one main reason, providing redundancy for a getaway, but by the occassion they provide load balancing as well. There are 3 FHRP: HSRP, VRRP and GLBP, 2 of them belong to Cisco, VRRP is an opened standard.

FHRP mitigates negative consequences of the failures of switches or routers, provides redundancy, load balancing and even simple traffic shaping. Last one of them, GLBP has been invented around 10 years ago, HSRP and VRRP in 90s. FHRPs are strongly linked with STP protocol. That pair of protocols can be troublesome to implement. How Spanning Tree…