From 6612e0107e59af80d0eb84a84f8086826b0a8dd8 Mon Sep 17 00:00:00 2001
From: Glenn Matthews <glenn.matthews@networktocode.com>
Date: Fri, 2 Oct 2020 10:40:05 -0400
Subject: [PATCH] Limit main IPAddress view to a max of 10 duplicate addresses.
 Fixes #5197

---
 netbox/ipam/views.py                 |  4 +++-
 netbox/templates/ipam/ipaddress.html | 20 +++++++++++++++++++-
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/netbox/ipam/views.py b/netbox/ipam/views.py
index c3eac0fd7..3fbceee53 100644
--- a/netbox/ipam/views.py
+++ b/netbox/ipam/views.py
@@ -527,7 +527,8 @@ class IPAddressView(ObjectView):
         # Exclude anycast IPs if this IP is anycast
         if ipaddress.role == IPAddressRoleChoices.ROLE_ANYCAST:
             duplicate_ips = duplicate_ips.exclude(role=IPAddressRoleChoices.ROLE_ANYCAST)
-        duplicate_ips_table = tables.IPAddressTable(list(duplicate_ips), orderable=False)
+        # Limit to a maximum of 10 duplicates displayed here
+        duplicate_ips_table = tables.IPAddressTable(duplicate_ips[:10], orderable=False)
 
         # Related IP table
         related_ips = IPAddress.objects.restrict(request.user, 'view').exclude(
@@ -547,6 +548,7 @@ class IPAddressView(ObjectView):
             'ipaddress': ipaddress,
             'parent_prefixes_table': parent_prefixes_table,
             'duplicate_ips_table': duplicate_ips_table,
+            'more_duplicate_ips': duplicate_ips.count() > 10,
             'related_ips_table': related_ips_table,
         })
 
diff --git a/netbox/templates/ipam/ipaddress.html b/netbox/templates/ipam/ipaddress.html
index ff83061cf..f213a275a 100644
--- a/netbox/templates/ipam/ipaddress.html
+++ b/netbox/templates/ipam/ipaddress.html
@@ -3,6 +3,7 @@
 {% load custom_links %}
 {% load helpers %}
 {% load plugins %}
+{% load render_table from django_tables2 %}
 
 {% block header %}
     <div class="row noprint">
@@ -159,7 +160,24 @@
 	<div class="col-md-8">
         {% include 'panel_table.html' with table=parent_prefixes_table heading='Parent Prefixes' %}
         {% if duplicate_ips_table.rows %}
-            {% include 'panel_table.html' with table=duplicate_ips_table heading='Duplicate IP Addresses' panel_class='danger' %}
+            {# Custom version of panel_table.html #}
+            <div class="panel panel-danger">
+                <div class="panel-heading">
+                    <strong>Duplicate IP Addresses</strong>
+                    {% if more_duplicate_ips %}
+                    <div class="pull-right">
+                        <a type="button" class="btn btn-primary btn-xs"
+                        {% if ipaddress.vrf %}
+                        href="{% url 'ipam:ipaddress_list' %}?address={{ ipaddress.address.ip }}&vrf_id={{ ipaddress.vrf.pk }}"
+                        {% else %}
+                        href="{% url 'ipam:ipaddress_list' %}?address={{ ipaddress.address.ip }}&vrf_id=null"
+                        {% endif %}
+                        >Show all</a>
+                    </div>
+                    {% endif %}
+                </div>
+                {% render_table duplicate_ips_table 'inc/table.html' %}
+            </div>
         {% endif %}
         {% include 'utilities/obj_table.html' with table=related_ips_table table_template='panel_table.html' heading='Related IP Addresses' panel_class='default noprint' %}
         {% plugin_right_page ipaddress %}