Introduction to Route-maps

Hello Justin

No problem, this is an opportunity to clarify things for both you and all our readers.

When we say that the route map will stop processing whenever a match is achieved, for your particular scenario, this is the case for each individual prefix.

So you have 192.168.0.0/24. It goes through the route map statements and matches sequence number 10. It is denied, but it was a match, so no more statements are checked.

Next, we have 192.168.1.0/24. It goes through the route map statements and matches sequence number 20, and is permitted, so this appears in the routing table of R2. This was a match, so no more statements are checked.

Next, we have 192.168.2.0/24. It goes through the route map statements and doesn’t match anything, but is caught by the deny all at the end, so it doesn’t go through.

192.168.3.0/24 does the same thing as the previous one.

So you see, for each prefix, the route map does stop processing statements once a match is made.

I hope this has been helpful!

Laz

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