Chapter 7. Redundancy with BGP and HSRP
The component of your Internet service most likely to fail is your Internet circuit. Cisco routers can use multiple Internet circuits from multiple providers, giving your network the best possible access to Internet sites and other Internet users the best possible access to your company.
This is possible through the Border Gateway Protocol (BGP). BGP announces to the whole world what IP addresses your router is responsible for, and it listens to other routers to learn the best way to reach other sites. BGP is not difficult to understand or to implement, but it has its own tricks and traps. You may want to do ...
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