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RouterOS implements the Resource Public Key Infrastructure (RPKI) to Router Protocol defined in RFC8210. RTR is a very lightweight low memory footprint protocol, to reliably get prefix validation data from RPKI validators.
More information on RPKI and how to set up validators can be found in the RIPE APNIC blog:

https://blog.apnic.net/20192022/1004/2806/how-to-installing-an-rpki-validator-2/

Basic Example

Let's consider that we have our own RTR server on our network with IP address 192.168.1.1:

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