Aggregate/Summarize = optimise a list of route prefixes
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For example in the INPUT if we have 10.0.0.0/19
10.0.255.0/24
10.1.0.0/24
10.1.1.0/24
10.1.2.0/24
10.1.2.0/25
10.1.2.128/25
10.1.3.0/25
The OUTPUT should be
10.0.0.0/19
10.0.255.0/24
10.1.0.0/23
10.1.2.0/24
10.1.3.0/25
About
Takes a list of prefixes and :
>> Remove any supplied prefixes which are superfluous because they are already included in another supplied prefix.
For example, 10.0.2.0/24 would be removed if 10.0.0.0/17 was also supplied.
>> Identifies adjacent prefixes that can be combined under a single, shorter-length prefix.
For example, 10.0.2.0/24 and 10.0.3.0/24 can be combined into the single prefix 10.0.2.0/23