# DE-CIX Frankfurt Route Servers Number of prefixes are suggested maxpref values! DE-CIX operates three route servers at DE-CIX FRA: * Two conventional route servers (rs1.fra and rs2.fra) * A dedicated route server for blackholing announcements (rsbh.fra) It is advised to peer with all three route servers. --- ## Route Server Address Information **rs1.fra.de-cix.net** * 80.81.192.157 * 2001:7f8::1a27:5051:c09d **rs2.fra.de-cix.net** * 80.81.193.157 * 2001:7f8::1a27:5051:c19d **rsbh.fra.de-cix.net** * 80.81.192.158 * 2001:7f8::1a27:5051:c09e --- ## Route Server Control You may use BGP Standard/Extended/Large Communities to control route advertisement via the route servers: * **(6695:6695), (6695:1:0):** Redistribute to all route server peers (default) * **(6695:$PEER-AS), (rt:6695:$PEER-AS), (6695:1:6695):** Redistribute to $PEER-AS * **(0:$PEER-AS), (rt:0:$PEER-AS), (6695:0:$PEER-AS):** Do not redistribute to $PEER-AS * **(0:6695), (6695:0:0):** Do not redistribute If $PEER-AS uses a 16b ASN, you may use Standard, Extended or Large Communities If $PEER-AS uses a 32b ASN, you have to use Extended or Large Communities There are additional communities for controlling announcements: * **65535:0**         GRACEFUL_SHUTDOWN * **65535:666**     BLACKHOLE * **6695:65281**   NO-EXPORT * **6695:65282**   NO-ADVERTISE --- ## Additional Information For more information on route server control and Blackholing, please see: [DE-CIX FRA Route Server Guide](https://www.de-cix.net/en/locations/germany/frankfurt/routeserver-guide) [DE-CIX Blackholing Guide](https://www.de-cix.net/en/resources/de-cix-blackholing-guide) [DE-CIX Route Server Informational BGP Communities](https://www.de-cix.net/en/resources/informational-bgp-communities) [DE-CIX Route Server Operational BGP Communities](https://www.de-cix.net/en/resources/operational-bgp-communities)