RFC Compliance

Flock Networks Routing Suite implements the following RFC's.


  • RFC 1997 BGP Communities Attribute
  • RFC 2545 BGP-4 Multiprotocol Extensions for IPv6 IDR
  • RFC 4271 A Border Gateway Protocol 4 (BGP-4)
  • RFC 4360 BGP Extended Communities Attribute
  • RFC 4456 BGP Route Reflection
  • RFC 4760 Multiprotocol Extensions for BGP-4
  • RFC 5492 Capabilities Advertisement with BGP-4
  • RFC 5668 4-Octet AS Specific Extended Community
  • RFC 6793 BGP Support for Four-Octet Autonomous System (AS) Number Space
  • RFC 7300 Reservation of Last Autonomous System (AS) Numbers
  • RFC 7947 Internet Exchange BGP Route Server
  • RFC 8092 BGP Large Communities Attribute
  • RFC 8654 Extended Message Support for BGP


Inter-operating with Cisco OSFPv2

Cisco routers enable RFC 5613 "Link Local Signaling" (LLS) by default. Flock Networks OSPFv2 does not yet support RFC5613. To inter-operate LLS needs to be disabled on the Cisco device.

router ospf <n>
  no capability lls

If you are hitting this problem, the Flock Networks router will be logging a warning.

[WARN  ospf::ospf_intf] Rx OSPF Header sanity failed: "Rx Pak Hello ignore, Options mismatch, expected [E] got [E | L] from RouterId(