eduardogsilva.routerfleet/templates/router_manager/router_nav_tabs.html

<ul class="nav nav-tabs d-flex" role="tablist">
    <li class="nav-item">
        <a class="nav-link {% if request.path == '/router/list/' %}active{% endif %}" href="/router/list/" role="tab">
            Routers
        </a>
    </li>
    <li class="nav-item">
        <a class="nav-link {% if request.path == '/router/group_list/' %}active{% endif %}" href="/router/group_list/" role="tab">
            Router Groups
        </a>
    </li>
    <li class="nav-item">
        <a class="nav-link {% if request.path == '/router/ssh_keys/' %}active{% endif %}" href="/router/ssh_keys/" role="tab">
            SSH Keys
        </a>
    </li>
    {% if request.path == '/router/list/' %}
        <li class="nav-item ml-auto">
            <a class="nav-link" href="#" id="showHideColumnsBtn" role="button">
                <i class="fas fa-columns"></i> Show/Hide Columns
            </a>
        </li>

        {% if filter_group_list %}
            <li class="nav-item dropdown">
                <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown"
                   aria-haspopup="true" aria-expanded="false">
                    {% if filter_group %}{{ filter_group }}{% else %}All Routers{% endif %}
                </a>
                <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                    <a class="dropdown-item" href="?filter_group=all">All Routers</a>
                    {% for group_temp in filter_group_list %}
                        <a class="dropdown-item" href="?filter_group={{ group_temp.uuid }}">{{ group_temp.name }}</a>
                    {% endfor %}
                </div>
            </li>
        {% endif %}
    {% endif %}

</ul>