Which of the following statement about isis protocol route aggregation is correct?

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Eric Hebert · Accepted Answer

Route aggregation can be configured and takes effect on all types of routers

Eric Hebert · Answer

Route aggregation can only take effect if configured on Leve-1 port routers

Eric Hebert · Answer

Route aggregation can only be configured on Leve-2 routers to take effect

Eric Hebert · Answer

Route aggregation can only be configured on Leve-1-2 routers to take effect with

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