Explain Route Aggregation in BGP.
正确答案:
There are two ways to create an aggregate address under BGP. The first is to create a static entry in the routing table （using static route） for the aggregate address and then advertise it with the “network” command. The second way is to use the “aggregate-address” command.
While using aggregate-address command， there is also two way. Using aggregate-address command without as-set keyword， BGP path information such as as-path and origin may get lost. If as-set keyword is used， path information such as as-path and origin can be inherited by the aggregate route.
While using aggregate-address command， there is also two way. Using aggregate-address command without as-set keyword， BGP path information such as as-path and origin may get lost. If as-set keyword is used， path information such as as-path and origin can be inherited by the aggregate route.
答案解析:有
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