Route summarisation reduces the amount of information that routers must process, which allows for faster convergence within the network. Summarisation also restricts the size of the area that is affected by network changes by hiding detailed topology information from certain areas within the network. Finally, as was stated earlier in this module, summarisation is used to define a Query boundary for EIGRP, which supports two types of route summarisation, as follows:
- Automatic route summarisation
- Manual route summarisation
By default, automatic route summarisation is in effect when EIGRP is enabled on the router. This is . . .
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