The LAN has mysteriously healed itself after resting over night. The
only thing I can see that's different this morning is that the laptop
and desktop have exchanged addresses which I assume is controlled by the
order in which they were booted this morning.
Perhaps there's a heat related problem with one of the computers (most
likely the laptop) since both were off over night while the router and
modem remained powered on. I'll have to watch for that. If it recurs
I'll power down the laptop to let it cool and see if that fixes things
again.
Thanks for the help.
Chuck Norcutt
Chris Barker wrote:
> It can still be a problem, David and Chuck. Even if you have DHCP
> running (allocated by the gateway), the subnet mask can be wrong and
> inhibit connection. Indeed, DHCP can cause the problem and you
> sometimes have to allocate IP addresses and masks manually.
>
> So, it's worth checking that each component of the LAN is using the
> same subnet mask (mine is 255.255.255.0)
>
> Chris
>
> On 6 Jun 2010, at 05:40, David Thatcher wrote:
>
>> My own personal favourite subnet mask error is 225.225.225.0 (I do
>> that all the time) ;)
>>
>> Of course all of this is moot if you have the 'assign IP
>> automatically' button set...
>
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