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IXP Implementation Guide

MANRS Implementation Guide for Internet Exchange Points (IXPs): the IXP Program Action Set.

📄️Action 1: Prevent Propagation of Incorrect Routing Information

The IXP implements filtering of route announcements at the Route Server based on routing information data (IRR and/or RPKI). Based on the outcome of the validation process, the invalid announcements are filtered in accordance with the IXP's published policy. IRR-based filtering is applied on updates from peers, and strict filtering of RPKI invalids in the export phase. As IRR and RPKI information are completely independent, the filtering strategy can be modified.