From 34377f25610471e0a49646428774e7241ba316f6 Mon Sep 17 00:00:00 2001
From: nikos-li <31227248+nikos-li@users.noreply.github.com>
Date: Wed, 23 Aug 2017 02:50:39 -0700
Subject: [PATCH] IPv4 prefixes shouldn't be sent by default over IPv6 session
 with FRR. (#905)

RB=
G=lnos-reviewers
R=ntrianta,rjonnadu,rmolina,sfardeen,zxu
A=
---
 dockers/docker-fpm-frr/bgpd.conf.j2 | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dockers/docker-fpm-frr/bgpd.conf.j2 b/dockers/docker-fpm-frr/bgpd.conf.j2
index d04f6ac623e0..c66d5bfb232f 100644
--- a/dockers/docker-fpm-frr/bgpd.conf.j2
+++ b/dockers/docker-fpm-frr/bgpd.conf.j2
@@ -21,6 +21,7 @@ log facility local4
 router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
   bgp log-neighbor-changes
   bgp bestpath as-path multipath-relax
+  no bgp default ipv4-unicast
 {# TODO: use lo[0] for backward compatibility, will revisit the case with multiple lo interfaces #}
   bgp router-id {{ minigraph_lo_interfaces[0]['addr'] }}
 {# advertise loopback #}
@@ -53,6 +54,12 @@ router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
 {% if minigraph_devices[inventory_hostname]['type'] == 'ToRRouter' %}
   neighbor {{ neighbor_addr }} allowas-in 1
 {% endif %}
+{% if neighbor_addr | ipv4 %}
+  address-family ipv4
+    neighbor {{ neighbor_addr }} activate
+    maximum-paths 64
+  exit-address-family
+{% endif %}
 {% if neighbor_addr | ipv6 %}
   address-family ipv6
     neighbor {{ neighbor_addr }} activate