[UK-CONTEST] N1MM and IPv6

UKCONTEST ukcontest at btconnect.com
Mon Aug 20 17:52:08 EDT 2012


For SSB FD you don't need a router.

Set Laptop 1 as 192.168.0.1 Subnet as 255.255.255.0 and Gateway as 
192.168.0.1  (this will be your gateway device). Laptop 2 as 192.168.0.2 
, Subnet as 255.255.255.0 gateway as 192.168.0.1

Then set up your amateur bands cluster connection via laptop 1 (ie your 
144MHz DX Cluster connection).

As you are connecting via a private network, and your only connection to 
the outside world is a DX Cluster via Radio you can disable the laptop 
firewalls for the duration of the contest, making network connectivity 
for N1MM easier to configure.

A simple crossover CAT5(e) cable (for older laptops) or a conventional 
CAT5(e) cable for modern laptops will suffice (they will usually auto 
sense this type of connection) therefore doing away with hubs and 
routers and other clutter around the tent.

73

Adrian MW1LCR







On 20/08/2012 22:32, Chris G3SJJ wrote:
> OK thanks Dave, and Robert M0VFC. The info I had was that one of the local BT exchanges had in fact enabled IPv6. I am beginning to go back to my
> original thought that something is not right in either the settings on my W7 machine or my BT Router.  (Trouble shooting RF problems is much easier!!)
>
> 73 Chris G3SJJ
>
>
> On 20/08/2012 21:13, Dave Sergeant wrote:
>> Are you actually on IPv6 Chris? I thought the penetration of it in
>> consumer ISPs in the UK was virtually nil. Many ISPs are upgrading
>> their networks to work with IPv6 but end users and their modems are
>> almost entirely still on IPv4. I have not seen any comment on the BT
>> forums about it, so I assume it is still 100% IPv4.
>>
>> In any case, a local network based on IPv4 via NAT is likely to remain
>> the default for a very long time, with the transition to IPv6 occuring
>> in the router.
>>
>> 73 Dave G3YMC
>>
>> On 20 Aug 2012 at 20:55, Chris G3SJJ wrote:
>>
>>> Thought I would flesh this out a bit. Some confirmation would be
>>> helpful. I am setting up two laptops up for SSB FD. Have done it
>>> numerous times before but hit a brickwall this time.
>>>
>>> As far as I can understand a computer assigns IP addresses for
>>> networking and internet access. The current protocol designated IPv4 is
>>> being replaced by IPv6. I *think* I understand that this uses the
>>> computer's Public IP Address as the local IP address. IPv6 is gradually
>>> being rolled out in the UK.
>>>
>>> When you network computers you use the internal IP address, usually in
>>> the range 192. etc. That has always worked for me in the past. As far as
>>> I can determine you can't use IPv6 addresses to network, or at least you
>>> can't mix v4 and v6 which I am trying to do. N1MM doesn't like this and
>>> I suspect other logging s/w will react the same. One laptop runs W7 with
>>> IPv4 and v6, the other is XP with v4.
>>>
>>> Any comments, corrections or info will be helpful.
>>>
>>> 73 Chris G3SJJ
>>>
>>>
>>
>> http://www.davesergeant.com
>>
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