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Information about route servers ll-ix (as 59947)

Route Server Connection Point IPv4 IPv6 ASN
RS1-NL NL, Haarlem 2001:678:4fc:1::3/48 59947
RS2-NL NL, Haarlem 2001:678:4fc:1::4/48 59947

Connection to RS servers takes the place via BGP protocol (RFC 4271), and can be installed with one or more RS servers in the location, where is a physical connection to the LL-IX equipment port.

The Route Server (RS) is used to facilitate interconnection between LL-IX participants and exclude the need to establish a BGP session with each LL-IX participant individually. RS create a peering connection with the participants connected to that RS and retransmits BGP announcements between them. Once the BGP session is established, IP traffic will be exchanged transparently between BGP neighbors on the peering LAN.

Connection to RS servers takes place via BGP protocol (RFC 4271) and can be installed with one or more RS servers where a physical connection to LL-IX equipment port is located.

The announcements received by the LL-IX servers are filtered according to the following rules:

  1. Do not accept announcements in which the Origin field does not match the same field of the Route/Route 6 object in the IRR database (RIPE or RADB), or in case the Origin is not listed in the corresponding AS-SET object;
  2. The announcements of the networks listed in RFC1918 are not accepted;
  3. The Default Route is not accepted.

The IX members receive the routes that are the best among those received from all the peers. The IP address of the peer that announced this best route is transmitted as a Next-hop. The AS Path attribute is passed unchanged. In order to manage announcements regarding other IX participants, it is used a list of BGP community, which allows extending the path advertised to a certain participant of IX, and also to filter the announcement of the prefix to a certain peer.