{% extends 'utils/object_add_edit.html' %}
{% load form_helpers %}
{% block form %}
            <div class="panel panel-default">
              <div class="panel-heading"><strong>Internet Exchange</strong></div>
              <div class="panel-body">
                {% render_field form.name %}
                {% render_field form.slug %}
                {% render_field form.ipv6_address %}
                {% render_field form.ipv4_address %}
                {% render_field form.configuration_template %}
                {% render_field form.router %}
              </div>
            </div>
            <div class="panel panel-default">
              <div class="panel-heading"><strong>Comments</strong></div>
              <div class="panel-body">
                {% render_field form.comment %}
              </div>
            </div>
{% endblock %}

{% extends 'utils/object_add_edit.html' %}
{% load form_helpers %}
{% block form %}
            <div class="panel panel-default">
              <div class="panel-heading"><strong>Internet Exchange</strong></div>
              <div class="panel-body">
                {% render_field form.name %}
                {% render_field form.slug %}
                {% render_field form.ipv6_address %}
                {% render_field form.ipv4_address %}
              </div>
            </div>
            <div class="panel panel-default">
              <div class="panel-heading"><strong>Deployment</strong></div>
              <div class="panel-body">
                {% render_field form.configuration_template %}
                {% render_field form.router %}
              </div>
            </div>
            <div class="panel panel-default">
              <div class="panel-heading"><strong>Comments</strong></div>
              <div class="panel-body">
                {% render_field form.comment %}
              </div>
            </div>
{% endblock %}

Tweak template to add/edit an IX.
Tweak template to add/edit an IX.
