Overview of Hot Standby
Router Protocol
Hot Standby Router Agreement (HSRP) was conceived as a adjustment of accouterment a akin of
fault altruism in the network. HSRP is a Cisco proprietary agreement that is categorical in RFC
2281 (www.isi.edu/in-notes/rfc2281.txt). The HSRP agreement protects adjoin a abortion of
the first-hop router. HSRP picks up area the absence router larboard off. You can accept a routing
protocol able of advertent activating routes, but back it comes to the absence avenue on
hosts, there isn’t a agency to change this in the accident of a failure. So, HSRP was developed
to adjust the situation. HSRP uses a ecology action to actuate the cachet of primary
and standby router interfaces. If you configure assorted HSRP groups, you can accept a
backup and additionally do amount administration beyond disparate networks.
So why accept a accomplished affiliate on HSRP? As a CCNP, you’ll be accepted to apperceive how to
implement bombastic architectures and accommodate amount administration and advancement capabilities in
today’s action networks.