<div dir="ltr">Hi all,<div><br></div><div>I installed the latest version of bind-9.10.3-P2 but when I using dig EDNS feature with +subnet, I found my local DNS can not carry client subnet, does this  version support EDNS0 now? </div><div><br></div><div><div>[root@test ~]# dig @<a href="http://8.8.8.8">8.8.8.8</a> <a href="http://www.google.com">www.google.com</a> +subnet=8.8.8.8</div><div><br></div><div>; <<>> DiG 9.10.3-P2 <<>> @<a href="http://8.8.8.8">8.8.8.8</a> <a href="http://www.google.com">www.google.com</a> +subnet=8.8.8.8</div><div>; (1 server found)</div><div>;; global options: +cmd</div><div>;; Got answer:</div><div>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50372</div><div>;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1</div><div><br></div><div>;; OPT PSEUDOSECTION:</div><div>; EDNS: version: 0, flags:; udp: 512</div><div>; <b>CLIENT-SUBNET: <a href="http://8.8.8.8/32/32">8.8.8.8/32/32</a></b></div><div>;; QUESTION SECTION:</div><div>;<a href="http://www.google.com">www.google.com</a>.<span class="" style="white-space:pre">                  </span>IN<span class="" style="white-space:pre">        </span>A</div><div><br></div><div>;; ANSWER SECTION:</div><div><a href="http://www.google.com">www.google.com</a>.<span class="" style="white-space:pre">               </span>299<span class="" style="white-space:pre">       </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>74.125.226.17</div><div><a href="http://www.google.com">www.google.com</a>.<span class="" style="white-space:pre">             </span>299<span class="" style="white-space:pre">       </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>74.125.226.16</div><div><a href="http://www.google.com">www.google.com</a>.<span class="" style="white-space:pre">             </span>299<span class="" style="white-space:pre">       </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>74.125.226.18</div><div><a href="http://www.google.com">www.google.com</a>.<span class="" style="white-space:pre">             </span>299<span class="" style="white-space:pre">       </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>74.125.226.19</div><div><a href="http://www.google.com">www.google.com</a>.<span class="" style="white-space:pre">             </span>299<span class="" style="white-space:pre">       </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>74.125.226.20</div><div><br></div><div>;; Query time: 61 msec</div><div>;; SERVER: 8.8.8.8#53(8.8.8.8)</div><div>;; WHEN: Tue Jan 05 22:40:23 CST 2016</div><div>;; MSG SIZE  rcvd: 135</div><div><br></div><div>[root@test ~]# dig @<a href="http://127.0.0.1">127.0.0.1</a> <a href="http://www.google.com">www.google.com</a> +subnet=8.8.8.8</div><div><br></div><div>; <<>> DiG 9.10.3-P2 <<>> @<a href="http://127.0.0.1">127.0.0.1</a> <a href="http://www.google.com">www.google.com</a> +subnet=8.8.8.8</div><div>; (1 server found)</div><div>;; global options: +cmd</div><div>;; Got answer:</div><div>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42800</div><div>;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 5</div><div><br></div><div>;; OPT PSEUDOSECTION:</div><div>; EDNS: version: 0, flags:; udp: 4096</div><div>;; QUESTION SECTION:</div><div>;<a href="http://www.google.com">www.google.com</a>.<span class="" style="white-space:pre">                   </span>IN<span class="" style="white-space:pre">        </span>A</div><div><br></div><div>;; ANSWER SECTION:</div><div><a href="http://www.google.com">www.google.com</a>.<span class="" style="white-space:pre">               </span>99<span class="" style="white-space:pre">        </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>216.58.221.68</div><div><br></div><div>;; AUTHORITY SECTION:</div><div><a href="http://google.com">google.com</a>.<span class="" style="white-space:pre">                </span>172599<span class="" style="white-space:pre">    </span>IN<span class="" style="white-space:pre">        </span>NS<span class="" style="white-space:pre">        </span><a href="http://ns4.google.com">ns4.google.com</a>.</div><div><a href="http://google.com">google.com</a>.<span class="" style="white-space:pre">         </span>172599<span class="" style="white-space:pre">    </span>IN<span class="" style="white-space:pre">        </span>NS<span class="" style="white-space:pre">        </span><a href="http://ns3.google.com">ns3.google.com</a>.</div><div><a href="http://google.com">google.com</a>.<span class="" style="white-space:pre">         </span>172599<span class="" style="white-space:pre">    </span>IN<span class="" style="white-space:pre">        </span>NS<span class="" style="white-space:pre">        </span><a href="http://ns1.google.com">ns1.google.com</a>.</div><div><a href="http://google.com">google.com</a>.<span class="" style="white-space:pre">         </span>172599<span class="" style="white-space:pre">    </span>IN<span class="" style="white-space:pre">        </span>NS<span class="" style="white-space:pre">        </span><a href="http://ns2.google.com">ns2.google.com</a>.</div><div><br></div><div>;; ADDITIONAL SECTION:</div><div><a href="http://ns1.google.com">ns1.google.com</a>.<span class="" style="white-space:pre">           </span>172599<span class="" style="white-space:pre">    </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>216.239.32.10</div><div><a href="http://ns2.google.com">ns2.google.com</a>.<span class="" style="white-space:pre">             </span>172599<span class="" style="white-space:pre">    </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>216.239.34.10</div><div><a href="http://ns3.google.com">ns3.google.com</a>.<span class="" style="white-space:pre">             </span>172599<span class="" style="white-space:pre">    </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>216.239.36.10</div><div><a href="http://ns4.google.com">ns4.google.com</a>.<span class="" style="white-space:pre">             </span>172599<span class="" style="white-space:pre">    </span>IN<span class="" style="white-space:pre">        </span>A<span class="" style="white-space:pre"> </span>216.239.38.10</div><div><br></div><div>;; Query time: 0 msec</div><div>;; SERVER: 127.0.0.1#53(127.0.0.1)</div><div>;; WHEN: Tue Jan 05 22:40:32 CST 2016</div><div>;; MSG SIZE  rcvd: 195</div></div></div>