The Default Gateway is the router that gets us off our local subnet. There is a piece of information there called the Default Gateway. You connect a computer to your network, it boots up and automatically receives IP Address information from the DHCP Server. Understanding First Hop Redundancy Protocols (FHRP) Many modern Cisco equipment supports the full flavor of the First Hop Redundancy Protocols. The others are the Virtual Router Redundancy Protocol (VRRP) and Gateway Load Balancing Protocol (GLBP). There are a number of these technologies on the market and today we shall look at Cisco’s Hot Standby Router Protocol (HSRP) to start with. To deal with gateway redundancy, we implement a first hop redundancy protocol. Should the gateway go down, then access to an entire subnet would go down.
In fact, the design must have a good financial backing on redundancy as many of the enterprise companies are heavily reliant on internet access and cannot lose money due to a network design without much care for handling crisis.įrom the client’s perspective, outside of their local network, they next important piece they deal with is the default gateway. With this Understanding First Hop Redundancy Protocols (FHRP) in mind, the network must be built with as much redundancy as possible. Modern network design requires an important consideration of how the network deals with failure.
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