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Groups > linux.debian.user > #190301

Re: Mixing and Matching DHCP and static IPs

From Dan Purgert <dan@djph.net>
Newsgroups linux.debian.user
Subject Re: Mixing and Matching DHCP and static IPs
Date 2017-12-26 15:50 +0100
Message-ID <v0YIh-3B9-3@gated-at.bofh.it> (permalink)
References <v0CRs-5tB-1@gated-at.bofh.it> <v0VU5-1Bu-9@gated-at.bofh.it> <v0Wdr-1YJ-1@gated-at.bofh.it>
Organization A noiseless patient Spider

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Mark Fletcher wrote:
> --001a113ec1c0f4dccb05613d0b84
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>
> On Tue, Dec 26, 2017 at 20:40 Dan Purgert <dan@djph.net> wrote:
>
>>
>> Sounds like perhaps the airstation is blocking client devices from
>> talking to "bogus" network addresses.  This is generally a feature of
>> consumer gear to stop you from trying to ask the internet for
>> information about a RFC1918 address (as they are private / not routable
>> on the internet).
>>
>
> So the trick would be to discourage it from thinking of 192.168.1.3 as
> bogus... Do you think the earlier suggestion of having the IP address
> handed out by the DHCP server on the firewall but using DHCP
> reservation to make sure the PI gets a specific address would fix
> that?

Unlikely, since it is the Airstation's firewall making the determination
that the 1.0/24 network is bogus.

> [...]
>>
>> No, the airstation having been given an address 192.168.1.x/24 will know
>> that it can directly reach any host 192.168.1.1 through 192.168.1.254
>> inclusive.
>>
>
> Except for some reason it doesn't seem to (or, rather, that is what
> APPEARS to be the case but without answering some of Pascal's earlier
> questions I can't say for certain that is what is going on). We know
> that 1.1 c an reach 1.3, but 11.anything doesn't seem to be able to,
> even though they can reach 1.1 . I just don.t know why yet.

Again, this points to the idea that perhaps the Airstation has a
firewall preventing access to "bogus" networks. I assume that the
Airstation does not have any capabilities to run ping / traceroute tests
from somewhere in its administration menus?

If it DOES allow that, it may be helpful to try pinging directly from
the airstation.

Also, since I probably missed it, what is the "firewall" device that's
handing out the 1.0/24 network (make and model please)?

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-- 
|_|O|_| Registered Linux user #585947
|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5  4AEE 8E11 DDF3 1279 A281

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Thread

Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-25 16:30 +0100
  Re: Mixing and Matching DHCP and static IPs Henning Follmann <hfollmann@itcfollmann.com> - 2017-12-25 17:00 +0100
    Re: Mixing and Matching DHCP and static IPs deloptes <deloptes@gmail.com> - 2017-12-25 18:10 +0100
      Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-26 01:50 +0100
      Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-26 02:00 +0100
        Re: Mixing and Matching DHCP and static IPs Gene Heskett <gheskett@shentel.net> - 2017-12-26 02:50 +0100
        Re: Mixing and Matching DHCP and static IPs deloptes <deloptes@gmail.com> - 2017-12-26 12:20 +0100
          Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-26 12:50 +0100
            Re: Mixing and Matching DHCP and static IPs deloptes <deloptes@gmail.com> - 2017-12-26 15:30 +0100
  Re: Mixing and Matching DHCP and static IPs Nemeth Gyorgy <friczy@freemail.hu> - 2017-12-25 18:30 +0100
  Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-26 02:40 +0100
  Re: Mixing and Matching DHCP and static IPs Dan Purgert <dan@djph.net> - 2017-12-26 12:50 +0100
    Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-26 13:10 +0100
      Re: Mixing and Matching DHCP and static IPs Dan Purgert <dan@djph.net> - 2017-12-26 15:50 +0100
        Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-26 16:30 +0100
    Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-26 13:10 +0100
      Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-26 15:00 +0100
        Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-26 15:50 +0100
          Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-26 16:10 +0100
            Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-26 16:40 +0100
              Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-27 16:10 +0100
                Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-27 18:20 +0100
                Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-28 13:10 +0100
                Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-28 15:40 +0100
                Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-28 17:00 +0100
        Re: Mixing and Matching DHCP and static IPs Dan Purgert <dan@djph.net> - 2017-12-26 16:20 +0100
          Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-26 16:30 +0100
      Re: Mixing and Matching DHCP and static IPs Dan Purgert <dan@djph.net> - 2017-12-26 16:10 +0100
        Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-26 16:20 +0100
        Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-26 16:50 +0100
  Re: Mixing and Matching DHCP and static IPs Michael Stone <mstone@debian.org> - 2017-12-26 17:00 +0100
    Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-26 17:10 +0100
      Re: Mixing and Matching DHCP and static IPs Michael Stone <mstone@debian.org> - 2017-12-26 17:30 +0100
        Re: Mixing and Matching DHCP and static IPs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-12-26 17:30 +0100
      Re: Mixing and Matching DHCP and static IPs Mark Fletcher <mark27q1@gmail.com> - 2017-12-27 13:00 +0100

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