Date: Fri, 22 Apr 2022 22:43:15 -0700 From: Kevin Oberman <rkoberman@gmail.com> To: FreeBSD Stable ML <stable@freebsd.org> Subject: Re: No DHCP server found (stable/12 & stable/13) Message-ID: <CAN6yY1u%2BAWx2_-R6M37PjSV_AKhWPhV2W5A50BmdLx4GcPYUvw@mail.gmail.com> In-Reply-To: <YmJU9pY8MEM6k3St@albert.catwhisker.org>
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[-- Attachment #1 --] On Fri, Apr 22, 2022 at 12:13 AM David Wolfskill <david@catwhisker.org> wrote: > (This may also apply to head; I haven't tested it recently, and testing > is a little awkward for me just now. -- dhw) > > As I type, I am 9 time zones east of home. The laptop I am using is > running: > > FreeBSD localhost 13.1-STABLE FreeBSD 13.1-STABLE #468 > stable/13-n250522-48a5e3fc6568: Wed Apr 20 05:25:39 PDT 2022 > root@g1-48.catwhisker.org:/common/S3/obj/usr/src/amd64.amd64/sys/CANARY > amd64 1301501 1301501 > > I have seen an apparently-similar set of symptoms on a different laptop > (that I use for the bulk of my day-to-day activities when I am not > wandering about (e.g., in different time zones)); it was running: > > FreeBSD 12.3-STABLE #1236 stable/12-n235174-879a6b7b628: Tue Apr 19 > 03:32:12 PDT 2022 root@g1-70.catwhisker.org:/common/S1/obj/usr/src/amd64.amd64/sys/CANARY > amd64 1203507 1203507 > > when I last observed the issue. > > In each case, I have no problems associating (if using wireless) and > acquiring a DHCP lease at home (where the DHCP server is > net/isc-dhcp44-server (isc-dhcp44-server-4.4.2P1_1), currently running: > > FreeBSD 12.3-STABLE #59 stable/12-n235169-6def5bc64cb: Fri Apr 15 03:31:41 > PDT 2022 root@freebeast.catwhisker.org:/common/S1/obj/usr/src/amd64.amd64/sys/ALBERT > amd64 1203507 1203507 > > ), nor do I see the problem if I have either laptop associate to my > phone's "hotspot". > > But at the hotel where I am no, as well as on the commuter shuttle bus > at work, and a hotel in Los Angeles back in March, I found that dhclient > on the laptop would issue DHCPDISCOVER (repeatedly)... and utterly fail > to recognize any response from a DHCP server. > > In searching for solutions, I found a thread, " dhclient does not decode > 802.1q-encapsulated replies #114 " at > https://github.com/opnsense/src/issues/114 - I have no idea if it's > related to what I am seeing. (While I don't use OPNSense, I do use > ipfw (and have, since around 1999). I am not at all familiar with VLANs > -- I don't use them in my networks.) > > I do use an /etc/dhclient.conf; here are the non-comment lines: > > | send host-name ""; > | > | request ntp-servers, smtp-server, routers, domain-name-servers, > domain-search, domain-name, subnet-mask, broadcast-address; > > though the mtime on that file shows Aug 15 04:40:08 2018 (at which point > I know the shuttle bus DHCP was working for me). > > As you may be able to discern, while I do have connectivity enough > to send/receive email, my opportunities for checking and testing > are likely to be quite limited -- more so in a couple of days, once > the cycling tour actually gets under way. > > Peace, > david > -- > David H. Wolfskill david@catwhisker.org > V. Putin does not need "negotiations" to stop his own senseless war. > > See https://www.catwhisker.org/~david/publickey.gpg for my public key. > For the past year (maybe longer as I did not travel during the pandemic) I have been unable to get an address assignment at any Marriott family hotel. This will get worse as I will be in Hawaii for two weeks next month. I talked to tech support, in one case to a Linux user, and they were baffled. I'd love to get this resolved. I have done traffic capture and see my DISCOVER packets going out, but no responses. I have no issues with getting an address assignment elsewhere, so it looks like it is probably tied to hardware or implementation by whatever company Marriott is using. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683 [-- Attachment #2 --] <div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">On Fri, Apr 22, 2022 at 12:13 AM David Wolfskill <<a href="mailto:david@catwhisker.org">david@catwhisker.org</a>> wrote:<br></div></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">(This may also apply to head; I haven't tested it recently, and testing<br> is a little awkward for me just now. -- dhw)<br> <br> As I type, I am 9 time zones east of home. The laptop I am using is<br> running:<br> <br> FreeBSD localhost 13.1-STABLE FreeBSD 13.1-STABLE #468 stable/13-n250522-48a5e3fc6568: Wed Apr 20 05:25:39 PDT 2022 root@g1-48.catwhisker.org:/common/S3/obj/usr/src/amd64.amd64/sys/CANARY amd64 1301501 1301501<br> <br> I have seen an apparently-similar set of symptoms on a different laptop<br> (that I use for the bulk of my day-to-day activities when I am not<br> wandering about (e.g., in different time zones)); it was running:<br> <br> FreeBSD 12.3-STABLE #1236 stable/12-n235174-879a6b7b628: Tue Apr 19 03:32:12 PDT 2022 root@g1-70.catwhisker.org:/common/S1/obj/usr/src/amd64.amd64/sys/CANARY amd64 1203507 1203507<br> <br> when I last observed the issue.<br> <br> In each case, I have no problems associating (if using wireless) and<br> acquiring a DHCP lease at home (where the DHCP server is<br> net/isc-dhcp44-server (isc-dhcp44-server-4.4.2P1_1), currently running:<br> <br> FreeBSD 12.3-STABLE #59 stable/12-n235169-6def5bc64cb: Fri Apr 15 03:31:41 PDT 2022 <a href="mailto:root@freebeast.catwhisker.org" target="_blank">root@freebeast.catwhisker.org</a>:/common/S1/obj/usr/src/amd64.amd64/sys/ALBERT amd64 1203507 1203507<br> <br> ), nor do I see the problem if I have either laptop associate to my<br> phone's "hotspot".<br> <br> But at the hotel where I am no, as well as on the commuter shuttle bus<br> at work, and a hotel in Los Angeles back in March, I found that dhclient<br> on the laptop would issue DHCPDISCOVER (repeatedly)... and utterly fail<br> to recognize any response from a DHCP server.<br> <br> In searching for solutions, I found a thread, " dhclient does not decode<br> 802.1q-encapsulated replies #114 " at<br> <a href="https://github.com/opnsense/src/issues/114" rel="noreferrer" target="_blank">https://github.com/opnsense/src/issues/114</a>; - I have no idea if it's<br> related to what I am seeing. (While I don't use OPNSense, I do use<br> ipfw (and have, since around 1999). I am not at all familiar with VLANs<br> -- I don't use them in my networks.)<br> <br> I do use an /etc/dhclient.conf; here are the non-comment lines:<br> <br> | send host-name "";<br> | <br> | request ntp-servers, smtp-server, routers, domain-name-servers, domain-search, domain-name, subnet-mask, broadcast-address;<br> <br> though the mtime on that file shows Aug 15 04:40:08 2018 (at which point<br> I know the shuttle bus DHCP was working for me).<br> <br> As you may be able to discern, while I do have connectivity enough<br> to send/receive email, my opportunities for checking and testing<br> are likely to be quite limited -- more so in a couple of days, once<br> the cycling tour actually gets under way.<br> <br> Peace,<br> david<br> -- <br> David H. Wolfskill <a href="mailto:david@catwhisker.org" target="_blank">david@catwhisker.org</a><br> V. Putin does not need "negotiations" to stop his own senseless war.<br> <br> See <a href="https://www.catwhisker.org/~david/publickey.gpg" rel="noreferrer" target="_blank">https://www.catwhisker.org/~david/publickey.gpg</a>; for my public key.<br> </blockquote></div><br clear="all"><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default">For the past year (maybe longer as I did not travel during the pandemic) I have been unable to get an address assignment at any Marriott family hotel. This will get worse as I will be in Hawaii for two weeks next month. I talked to tech support, in one case to a Linux user, and they were baffled. I'd love to get this resolved.</div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default"><br></div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default">I have done traffic capture and see my DISCOVER packets going out, but no responses.</div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default"><br></div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default">I have no issues with getting an address assignment elsewhere, so it looks like it is probably tied to hardware or implementation by whatever company Marriott is using.<br></div><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Kevin Oberman, Part time kid herder and retired Network Engineer<br>E-mail: <a href="mailto:rkoberman@gmail.com" target="_blank">rkoberman@gmail.com</a><br></div><div>PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683</div></div></div></div></div></div></div></div></div>help
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