路由器里面的这两个按钮代表什么

<div class="ipv6_options section_hide" style="color: rgb(43, 50, 56); font-family: &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, 微软雅黑, tahoma, arial, simsun, 黑体; font-size: 12px;"><div id="ipv6_dhcpv6_server_suboptions"><div class="item" style="margin-bottom: 10px; height: 36px; line-height: 36px;"><label id="router_advertisement" class="form-label" style="float: left; height: 36px; padding-right: 10px; margin-right: 10px; line-height: 36px; text-align: right; width: 272px;">Router Advertisement</label><div class="radio_form radio_off" id="input_ra" style="margin-top: 11px; width: 50px; height: 16px; cursor: pointer; float: left; background: url(&quot;../images/form-toggle.png&quot;) 0px -16px no-repeat;"></div></div><div class="item" style="margin-bottom: 10px; height: 36px; line-height: 36px;"><label id="dhcpv6_server" class="form-label" style="float: left; height: 36px; padding-right: 10px; margin-right: 10px; line-height: 36px; text-align: right; width: 272px;">DHCPv6 Server</label></div></div></div><div id="dialog_btn_layer_wrap" class="form-area" style="zoom: 1; overflow: hidden; color: rgb(43, 50, 56); font-family: &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, 微软雅黑, tahoma, arial, simsun, 黑体; font-size: 12px;"></div>

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