Re: Mixing and Matching DHCP and static IPs
On Tue, Dec 26, 2017 at 03:02:46PM -0000, Dan Purgert wrote:
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> >>
> > The netmask is 255.255.255.252. I just tried changing it to 248, ie
> > zeroing out one more bit, but that did not help. (changed it by changing
> > the netmask supplied by the firewall's DHCP server and then checking in
> > the AirStation's web interface that the netmask had indeed changed).
>
> This is the absolute most key piece of information that was required to
> help troubleshoot your problem ...
>
> 255.255.255.252 is /30, meaning you only had two usable addresses
> (192.168.1.1, and 192.168.1.2 -- 192.168.1.3 was the broadcast. Strange
> that you could ssh from the firewall device to this IP address, but no
> matter).
>
> Switch everything - airstation, upstream firewall, rpi, anything else to
> /29 (255.255.255.248), and restart their relevant interfaces. Don't
> forget to update any iptables rules, etc. that may have triggered on the
> netmask.
>
>
OK -- although to Pascal's point, I think I'll go with 255.255.255.0 --
no reason not to. But nonetheless that is what I will do next. Will
advise (tomorrow -- it's past my bedtime now).
Mark
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