Closes #6287: Add option to clear assigned max length filter on prefixes list

Author: jeremystretch

docs/release-notes/version-2.11.md

@@ -6,6 +6,7 @@
 
 * [#6275](https://github.com/netbox-community/netbox/issues/6275) - Linkify rack, device counts on locations list
 * [#6278](https://github.com/netbox-community/netbox/issues/6278) - Note device locations on cable traces
+* [#6287](https://github.com/netbox-community/netbox/issues/6287) - Add option to clear assigned max length filter on prefixes list
 
 ### Bug Fixes
 

netbox/templates/ipam/prefix_list.html

@@ -9,6 +9,11 @@
                 <span class="caret"></span>
             </button>
             <ul class="dropdown-menu" aria-labelledby="max_length">
+                {% if request.GET.mask_length__lte %}
+                    <li>
+                        <a href="{% url 'ipam:prefix_list' %}{% querystring request mask_length__lte=None page=1 %}">Clear</a>
+                    </li>
+                {% endif %}
                 {% for i in "4,8,12,16,20,24,28,32,40,48,56,64"|split %}
                     <li><a href="{% url 'ipam:prefix_list' %}{% querystring request mask_length__lte=i page=1 %}">
                         {{ i }} {% if request.GET.mask_length__lte == i %}<i class="mdi mdi-check-bold"></i>{% endif %}