![]() Packet Tracer Activity 2.4.1.6: Configuring IPv4 Route Summarization – Scenario 2 In Figure 2-52, R1 requires a summary static route to reach networks in the range of 172.20.0.0/16 to 172.23.0.0/16. It also helps reduce bandwidth utilization for routing updates and results in faster routing table lookups. This type of summarization helps reduce the number of entries in routing updates and lowers the number of entries in local routing tables. ![]() CIDR is a form of route summarization and is synonymous with the term supernetting.ĬIDR ignores the limitation of classful boundaries, and allows summarization with masks that are smaller than that of the default classful mask. ![]() Route summarization, also known as route aggregation, is the process of advertising a contiguous set of addresses as a single address with a less-specific, shorter subnet mask. The configuration of a summary static route is similar to the configuration of other IPv4 static routes. Configure IPv4 Summary Routes (2.4.1)Ī single IPv4 static summary route can be used to replace multiple static routes when those routes can be summarized with a common prefix length. Floating static routes can be used as a backup route for another static route or a dynamic routing protocol. Using summary static routes can also make management of a large number of static routes easier and less prone to errors. ![]() Summary static routes can be used to help minimize the number of static routes in the routing table. Configure Summary and Floating Static Routes (2.4) ![]()
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