<div dir="ltr">We are implementing an interesting L3VPN scenario for distributed DFZ on mid-size PEs.<br><br>And we believe that the RT Constrained Route Distribution, RFC4684, will be ideal to solve the problems of operational levels for the intervention of configurations between PEs and Route-Reflectors.<br><br>However, I'm searching for BGP Engines that implement this address-family (AFI=1, SAFI=132), to avoid Lock-In.<br><br><br><br>In Cisco, this feature is covered, for example, in this document:<br><a href="https://www.cisco.com/c/en/us/support/docs/multiprotocol-label-switching-mpls/mpls/116062-technologies-technote-restraint-00.html">https://www.cisco.com/c/en/us/support/docs/multiprotocol-label-switching-mpls/mpls/116062-technologies-technote-restraint-00.html</a><div><br>In Juniper, in that document:<br><a href="https://www.juniper.net/documentation/us/en/software/junos/vpn-l3/topics/topic-map/l3-vpns-route-target-filtering.html">https://www.juniper.net/documentation/us/en/software/junos/vpn-l3/topics/topic-map/l3-vpns-route-target-filtering.html</a><br><br>IP Infusion's OCNOS also implements this functionality.<br><br>I think Nokia implements it too.<br><br><br><br>But I'm looking for an open-source engine that supports it.<br><br>The official FRR documentation does not mention anything about RFC 4364, or RTFilter address family.<br>So, I think FRR does not support RTFilter Constrained Route Distribution.</div><div><br></div><div><br></div><div><br>Do any of the colleagues have any suggestions on this?<br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Douglas Fernando Fischer<br>Engº de Controle e Automação<br><div style="padding:0px;margin-left:0px;margin-top:0px;overflow:hidden;word-wrap:break-word;color:black;text-align:left;line-height:130%;font-family:courier new,monospace"></div></div></div></div></div>