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    <p><font face="Arial">Thank you for your response!</font></p>
    <p><font face="Arial"></font><br>
    </p>
    <p><font face="Arial"> </font></p>
    <blockquote type="cite"><font face="Arial">Does wlp2s0 have an IP
        in 10.1.1.0 assigned to it?</font></blockquote>
    <font face="Arial">
      # ip addr show wlp2s0 <br>
      4: wlp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500
      qdisc noqueue state DOWN group default qlen 1000<br>
          link/ether f0:7d:68:c1:b4:13 brd ff:ff:ff:ff:ff:ff<br>
      <br>
    </font>
    <p><font face="Arial">I found a mistake in
        /etc/default/isc-dhcp-server</font></p>
    <p><font face="Arial">It said</font><font face="Arial">
        INTERFACES="wlp2s0 br0", which was a virtual bridge I'm no
        longer using.<br>
      </font></p>
    <p>Now it says <font face="Arial"><font face="Arial">INTERFACES="wlp2s0
          enp4s5"</font></font></p>
    <p><font face="Arial"><font face="Arial">That changed the results
          for the worse, but those are the interfaces I need. 
          /etc/network/interfaces below.  Please note I'm also using
          hostapd as mentioned below.<br>
        </font></font></p>
    <p><font face="Arial"><font face="Arial">root@yellow:~# systemctl
          status isc-dhcp-server<br>
          ● isc-dhcp-server.service - ISC DHCP IPv4 server<br>
             Loaded: loaded
          (/lib/systemd/system/isc-dhcp-server.service; enabled; vendor
          preset: enabled)<br>
             Active: failed (Result: exit-code) since Fri 2018-01-26
          13:04:57 PST; 5min ago<br>
               Docs: <a class="moz-txt-link-freetext" href="man:dhcpd(8)">man:dhcpd(8)</a><br>
           Main PID: 30014 (code=exited, status=1/FAILURE)<br>
          <br>
          Jan 26 13:04:57 yellow sh[30014]: <b>Not configured to listen
            on any interfaces!</b><br>
          Jan 26 13:04:57 yellow sh[30014]: If you think you have
          received this message due to a bug rather<br>
          Jan 26 13:04:57 yellow sh[30014]: than a configuration issue
          please read the section on submitting<br>
          Jan 26 13:04:57 yellow sh[30014]: bugs on either our web page
          at <a class="moz-txt-link-abbreviated" href="http://www.isc.org">www.isc.org</a> or in the README file<br>
          Jan 26 13:04:57 yellow sh[30014]: before submitting a bug. 
          These pages explain the proper<br>
          Jan 26 13:04:57 yellow sh[30014]: process and the information
          we find helpful for debugging..<br>
          Jan 26 13:04:57 yellow sh[30014]: exiting.<br>
          Jan 26 13:04:57 yellow systemd[1]: isc-dhcp-server.service:
          Main process exited, code=exited, status<br>
          Jan 26 13:04:57 yellow systemd[1]: isc-dhcp-server.service:
          Unit entered failed state.<br>
          Jan 26 13:04:57 yellow systemd[1]: isc-dhcp-server.service:
          Failed with result 'exit-code'.<br>
          <br>
        </font></font></p>
    <p><font face="Arial"><font face="Arial"><br>
        </font></font></p>
    <p><font face="Arial"><font face="Arial"><br>
        </font></font></p>
    <p><font face="Arial"># cat /etc/network/interfaces<br>
      </font># Set up the local loopback interface<br>
      auto lo<br>
      iface lo inet loopback<br>
          dns-nameservers 10.1.1.1 8.8.8.8 8.8.4.4 50.23.197.95<br>
          dns-search myFQDN<br>
      <br>
      # Set up the external interface<br>
      auto enp6s0<br>
      <br>
      ########################################<br>
      # Keep the dhcp allocated IP as our primary address<br>
      ########################################<br>
      iface enp6s0 inet dhcp<br>
          dns-nameservers 10.1.1.1 8.8.8.8 8.8.4.4 50.23.197.95 <br>
          dns-search myFQDN<br>
      <br>
      auto enp4s5 <br>
      allow-hotplug enp4s5 <br>
      iface enp4s5 inet static<br>
          address 10.1.1.2/24<br>
          gateway 10.1.1.1<br>
          network 10.1.1.0<br>
          netmask 255.255.255.255 <br>
          broadcast 10.1.1.255<br>
      <br>
          pre-up ip link set enp4s5 down<br>
          up ip link set enp4s5 up<br>
      <br>
      <br>
      <br>
      # Do not auto-start wireless.  Let hostapd do it.<br>
      #auto wlp2s0 <br>
      allow-hotplug wlp2s0 <br>
      <br>
      <br>
      iface wlp2s0 inet static<br>
          address 10.1.1.3/24<br>
          gateway 10.1.1.1<br>
          network 10.1.1.0<br>
          netmask 255.255.255.255 <br>
          broadcast 10.1.1.255<br>
          #pre-up ip address 0.0.0.0 dev wlp2s0<br>
          #up ip link set wlp2s0 up<br>
      <br>
      # What is the difference between ip link set up and ifconfig up?<br>
          pre-up ip link set wlp2s0 down<br>
          up ip link set wlp2s0 up<br>
          down ip link set wlp2s0 down<br>
          # post-down <insert command here><br>
      <br>
          wireless-mode master<br>
          wireless-essid BHNDG1670B1Z12<br>
          wireless-channel 1<br>
          wpa-ssid BHNDG1670B1Z12<br>
      <br>
          # encrypted passwd<br>
          wpa-psk
      b455C4A3XXX7EFB53A0C5D7E9220ZZZZ52DD82A5ZZZZ5282A757C38827f0f7ba<br>
          gateway 10.1.1.1<br>
      <br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 01/26/2018 12:31 PM, Rick Dicaire
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CA+Cc--epXMus3UBtnA8GXGovWN1XFV01OnFSozLUtO5YXWkA9Q@mail.gmail.com">
      <div dir="ltr">
        <div>subnet 10.1.1.0 netmask 255.255.255.0 {</div>
        <div>        interface wlp2s0;</div>
        <div>Does wlp2s0 have an IP in 10.1.1.0 assigned to it?<br>
        </div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Fri, Jan 26, 2018 at 2:10 PM, A <span
            dir="ltr"><<a href="mailto:publicface@bak.rr.com"
              target="_blank" moz-do-not-send="true">publicface@bak.rr.com</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div text="#000000" bgcolor="#FFFFFF">
              <p>Hello,</p>
              <p>I've never setup a dhcp server before and I've been
                struggling with the below issues for several days. 
                While I did find two solutions that worked for others,
                they didn't work for me.  Hopefully someone here can
                tell me how & where I'm messing things up. <br>
              </p>
              <p>As you can see from the below output, I'm getting "No
                subnet declaration" and also "Can't open
                /var/lib/dhcp/dhcpd.leases for append".  Perhaps they're
                related?<br>
              </p>
              <p>Thank you in advance for any solutions and/or helpful
                suggestions!</p>
              <p>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<wbr>~~~~~~~~~~~~~~<br>
              </p>
              <p>ubuntu 16.04</p>
              root@yellow:~# dhcpd -d -user dhcpd -group dhcpd<br>
              <p>Internet Systems Consortium DHCP Server 4.3.3<br>
                Copyright 2004-2015 Internet Systems Consortium.<br>
                All rights reserved.<br>
                For info, please visit <a
                  class="m_2383007507859620637moz-txt-link-freetext"
                  href="https://www.isc.org/software/dhcp/"
                  target="_blank" moz-do-not-send="true">https://www.isc.org/software/<wbr>dhcp/</a><br>
                Config file: /etc/dhcp/dhcpd.conf<br>
                Database file: /var/lib/dhcp/dhcpd.leases<br>
                PID file: /var/run/dhcpd.pid<br>
                Can't open /var/lib/dhcp/dhcpd.leases for append.<br>
                <br>
                If you think you have received this message due to a bug
                rather<br>
                than a configuration issue please read the section on
                submitting<br>
                bugs on either our web page at <a
                  class="m_2383007507859620637moz-txt-link-abbreviated"
                  href="http://www.isc.org" target="_blank"
                  moz-do-not-send="true">www.isc.org</a> or in the
                README file<br>
                before submitting a bug.  These pages explain the proper<br>
                process and the information we find helpful for
                debugging..<br>
                <br>
                exiting.<br>
                root@yellow:~# <br>
              </p>
              <p><br>
              </p>
              <p>root@yellow:~# dhcpd -t -user dhcpd -group dhcpd<br>
                Internet Systems Consortium DHCP Server 4.3.3<br>
                Copyright 2004-2015 Internet Systems Consortium.<br>
                All rights reserved.<br>
                For info, please visit <a
                  class="m_2383007507859620637moz-txt-link-freetext"
                  href="https://www.isc.org/software/dhcp/"
                  target="_blank" moz-do-not-send="true">https://www.isc.org/software/<wbr>dhcp/</a><br>
                Config file: /etc/dhcp/dhcpd.conf<br>
                Database file: /var/lib/dhcp/dhcpd.leases<br>
                PID file: /var/run/dhcpd.pid</p>
              <p><br>
              </p>
              <p># systemctl restart isc-dhcp-server</p>
              # systemctl status isc-dhcp-server<br>
              ● isc-dhcp-server.service - ISC DHCP IPv4 server<br>
                 Loaded: loaded (/lib/systemd/system/isc-dhcp-<wbr>server.service;
              enabled; vendor preset: enabled)<br>
                 Active: active (running) since Fri 2018-01-26 10:49:55
              PST; 23s ago<br>
                   Docs: <a
                class="m_2383007507859620637moz-txt-link-freetext"
                moz-do-not-send="true">man:dhcpd(8)</a><br>
               Main PID: 20023 (dhcpd)<br>
                 CGroup: /system.slice/isc-dhcp-server.<wbr>service<br>
                         └─20023 dhcpd -user dhcpd -group dhcpd -f -4
              -pf /run/dhcp-server/dhcpd.pid -cf /etc/dhcp<br>
              <br>
              Jan 26 10:49:55 yellow dhcpd[20023]: Sending on  
              LPF/br0/c8:3a:35:da:42:72/<a href="http://10.1.1.0/24"
                target="_blank" moz-do-not-send="true">10.<wbr>1.1.0/24</a><br>
              Jan 26 10:49:55 yellow dhcpd[20023]: <br>
              Jan 26 10:49:55 yellow dhcpd[20023]: No subnet declaration
              for wlp2s0 (no IPv4 addresses).<br>
              Jan 26 10:49:55 yellow dhcpd[20023]: ** Ignoring requests
              on wlp2s0.  If this is not what<br>
              Jan 26 10:49:55 yellow dhcpd[20023]:    you want, please
              write a subnet declaration<br>
              Jan 26 10:49:55 yellow dhcpd[20023]:    in your dhcpd.conf
              file for the network segment<br>
              Jan 26 10:49:55 yellow dhcpd[20023]:    to which interface
              wlp2s0 is attached. **<br>
              Jan 26 10:49:55 yellow dhcpd[20023]: <br>
              Jan 26 10:49:55 yellow dhcpd[20023]: Sending on  
              Socket/fallback/fallback-net<br>
              Jan 26 10:49:55 yellow dhcpd[20023]: Server starting
              service.<br>
              <br>
              <p># cat /etc/dhcp/dhcpd.conf</p>
              <p><br>
              </p>
              <p>ddns-update-style none;<br>
                option domain-name "FQDN";<br>
                option domain-name-servers 10.1.1.1, 8.8.4.4,
                50.23.197.95;<br>
                <br>
                default-lease-time 86400;<br>
                max-lease-time 604800;<br>
                <br>
                authoritative;<br>
                <br>
                log-facility local7;<br>
                <br>
                <br>
                subnet 10.1.1.0 netmask 255.255.255.0 {<br>
                        <b>interface wlp2s0;</b><br>
                        option domain-name-servers 10.1.1.1;<br>
                        max-lease-time 7200;<br>
                        default-lease-time 600;<br>
                        range 10.1.1.10 10.1.1.250;<br>
                        option subnet-mask 255.255.255.0;<br>
                        option broadcast-address 10.1.1.255;<br>
                        option routers 10.1.1.1;<br>
                <br>
                <br>
                    group {<br>
                <br>
                <br>
                        host yellow {<br>
                            hardware ethernet f0:7d:24:c2:c4:13;<br>
                            fixed-address 10.1.1.1;<br>
                        }<br>
                <br>
                        host blue {<br>
                            hardware ethernet 00:23:ea:d1:c2:61;<br>
                            fixed-address 10.1.1.2;<br>
                        }<br>
                    }<br>
                }<br>
                <br>
              </p>
              <p><br>
              </p>
              <p><br>
              </p>
              <p><br>
              </p>
              <p><br>
              </p>
              <p><br>
              </p>
              <p><br>
              </p>
              <p><br>
              </p>
            </div>
            <br>
            ______________________________<wbr>_________________<br>
            dhcp-users mailing list<br>
            <a href="mailto:dhcp-users@lists.isc.org"
              moz-do-not-send="true">dhcp-users@lists.isc.org</a><br>
            <a href="https://lists.isc.org/mailman/listinfo/dhcp-users"
              rel="noreferrer" target="_blank" moz-do-not-send="true">https://lists.isc.org/mailman/<wbr>listinfo/dhcp-users</a><br>
          </blockquote>
        </div>
        <br>
      </div>
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      <br>
      <pre wrap="">_______________________________________________
dhcp-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:dhcp-users@lists.isc.org">dhcp-users@lists.isc.org</a>
<a class="moz-txt-link-freetext" href="https://lists.isc.org/mailman/listinfo/dhcp-users">https://lists.isc.org/mailman/listinfo/dhcp-users</a></pre>
    </blockquote>
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