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How Gateway Redundancy Works (summary)

Source: Internet
Author: User
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VRRP (Virtual Router Redundancy protocol) is the industry standard Gateway Redundancy Protocol, HSRP (hot standby Router protocol) and GLBP (Gateway load balance Protocol) is a Cisco private protocol.

Set the same virtual IP address on two or more gateway devices (and they have a physical interface IP address, respectively), and the gateway to the terminal host points to the virtual IP address. By setting the priority to specify the primary and standby gateway device, normally the network traffic goes to the main gateway device, and the primary gateway device goes out of the way to the standby gateway device when it fails.


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How Gateway Redundancy Works (summary)

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