Determining the BGP4 Path by Tuning the Attributes

So far, the chapter has covered the strength of BGP-4 as a protocol that allows the determination of the route that traffic takes through the network. This has been accompanied by an explanation of way that BGP-4 selects one path above the other. You have seen the advantages of connecting to more than one ISP and how path selection is achieved in this situation. All of this is important, but you have yet to learn how to configure BGP-4 to take a path to a destination based on different criteria.

This section covers how to manipulate the traffic flow through your network using BGP-4.

The attributes discussed in this section are local preference and weight, with the latter being a Cisco-proprietary solution.

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