From 127a73aac35d21d8c8d13d28bffb71df1a49ca1c Mon Sep 17 00:00:00 2001
From: sihuihan88 <hansihuisjtu@gmail.com>
Date: Wed, 30 Aug 2017 13:06:02 -0700
Subject: [PATCH] [quagga]: Disable ipv4 over ipv6 and enable ipv6 over ipv4
 peer group (#922)

* [bgpd]:disable ipv4 over ipv6 and enable ipv6 over ipv4 peer group

* update as comments
---
 dockers/docker-fpm-quagga/bgpd.conf.j2 | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/dockers/docker-fpm-quagga/bgpd.conf.j2 b/dockers/docker-fpm-quagga/bgpd.conf.j2
index eb1da1f1a3..02cf40fa8b 100644
--- a/dockers/docker-fpm-quagga/bgpd.conf.j2
+++ b/dockers/docker-fpm-quagga/bgpd.conf.j2
@@ -26,6 +26,7 @@ route-map TO_BGP_SPEAKER_V4 deny 10
 router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
   bgp log-neighbor-changes
   bgp bestpath as-path multipath-relax
+  no bgp default ipv4-unicast
 {# Advertise graceful restart capability for ToR #}
 {% if minigraph_devices[inventory_hostname]['type'] == 'ToRRouter' %}
   bgp graceful-restart
@@ -64,9 +65,13 @@ router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
   neighbor {{ neighbor_addr }} shutdown
 {% endif %}
 {% if neighbor_addr | ipv4 %}
+  address-family ipv4
 {% if minigraph_devices[inventory_hostname]['type'] == 'ToRRouter' %}
-  neighbor {{ neighbor_addr }} allowas-in 1
+    neighbor {{ neighbor_addr }} allowas-in 1
 {% endif %}
+    neighbor {{ neighbor_addr }} activate
+    maximum-paths 64
+  exit-address-family
 {% endif %}
 {% if neighbor_addr | ipv6 %}
   address-family ipv6
@@ -93,6 +98,14 @@ router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
 {% for ip_range in bgp_peer['ip_range'] %}
   bgp listen range {{ip_range}} peer-group {{ bgp_peer['name'] }}
 {% endfor %}
+  address-family ipv4
+    neighbor {{ bgp_peer['name'] }} activate
+    maximum-paths 64
+  exit-address-family
+  address-family ipv6
+    neighbor {{ bgp_peer['name'] }} activate
+    maximum-paths 64
+  exit-address-family
 {% endfor %}
 {% endblock bgp_peers_with_range %}
 !