[ML-General] linux networking questions

[Hunter Fuller]

Sure, if you altered the subnet mask on your router to 255.255.0.0 (a /16)
that would work. Your random devices will still default to
192.168.whatever.0/24, but once you alter their subnet mask as well (or use
DHCP) then everything should Just Work for you.
On Oct 5, 2015 10:38 PM, "david" <ainut at knology.net> wrote:

> Appreciate the help, Hunter.  Is it not easy to have everything in the
> 192.168.x.x address range?  (Mask 255.255.0.0?)  I can't remember any of
> this but bits and pieces...
>
> My router and firewall to the outside world are set not to pass
> 192.168.x.x out to the world (as such) but I'm using all bridges internally
> (but there may still be one brouter in the mix; not sure.)
>
> Thanks,
> David
>
>
>
> On 10/05/2015 10:32 PM, Hunter Fuller wrote:
>
> The long and the short of it is subnet masking. Basically, in home
> networking, your subnet mask is almost always 255.255.255.0 also known as a
> /24 (slash 24). What this means is that the first three octets of the IPs
> of two devices have to be the same before they can talk.
>
> Routers are capable of breaking this boundary, but of course your router
> can only know about 192.168.1.0/24 so that won't help you.
>
> If the raspberry pi is handing out addresses in a different range then you
> need to put your laptop in that range temporarily, log into the pi, and
> reconfigure it to not do that. Unless you intend for it to create its own
> separate network that is.
> On Oct 5, 2015 10:22 PM, "david" <ainut at knology.net> wrote:
>
>> Seems like lately I've forgotten everything I've ever known. <sigh>
>>
>> I need to be able to access subnets at home; everything is behind a
>> firewall to the Internet.
>>
>> My PC's are all dhcp in the 192.168.1.x address space.
>>
>> I'd like to be able to talk to other addresses from these PC's.
>>
>> Specifically:
>> 192.168.7.2 -- Beaglebone Black default IP Address works just fine.
>>
>> but
>>
>> 192.168.10.1 -- particular RPi 2 address from downloaded image does not.
>> Of course, that Pi is a wireless one, while if I turn off the wireless and
>> connect a house cable, it gets assigned 192.168.1.56 (for example) and that
>> works fine.  BUT, the wifi address is still not accessible unless I make
>> the wifi laptop get on the RPi 2 as it's dhcp server and then the laptop
>> gets assigned 192.168.10.x. <sigh>  (Same for the Android tablet.)  How do
>> I get everything to play nice with each other?
>>
>> Bought a NAS server and set it's address to 192.168.200.1 -- and
>> *nothing* in the house could see it until I changed it's address to a
>> 192.168.1.x.
>>
>> Help, please.
>>
>> Thanks,
>> David Merchant
>>
>>
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>
>
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