In a multiple vendor environment, which approach is recommended in Cisco NX-OS to generate the BGP route distinguisher and route target?
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A. B. C. D.B.
In a multiple vendor environment, where different vendors are using different types of autonomous systems (AS), BGP route distinguishers and route targets are used to ensure that the routes advertised by different ASes are uniquely identified and can be properly propagated across the network.
When using Cisco NX-OS in a multiple vendor environment, it is recommended to use the approach of manually configuring the route distinguisher and route target values. This is because manually configuring these values allows for greater control and customization of the BGP configuration.
Option A, which involves auto-generating both the route distinguisher and route target values, may lead to potential conflicts and overlaps with other ASes in the network. This approach is not recommended in a multiple vendor environment where different ASes are using different route distinguishers and route targets.
Option C, which involves manually configuring the route distinguisher and auto-generating the route target values, is not recommended as it may lead to potential conflicts and overlaps with other ASes in the network that are using different route distinguishers.
Option D, which involves auto-generating both the route distinguisher and route target values and making manual adjustments, may be a viable option in some cases. However, this approach requires careful planning and monitoring to ensure that there are no conflicts or overlaps with other ASes in the network.
Therefore, the recommended approach in Cisco NX-OS to generate the BGP route distinguisher and route target values in a multiple vendor environment is to manually configure both the route distinguisher and route target values.