static IP & DHCP problems on LAN

[Adam Funk]

On 2013-03-11, Hans Muecke wrote:

> Am 11.03.2013 09:26, schrieb Adam Funk:
>
>
>> I had some trouble with my NAT router the other day, so I was using
>> the cable modem (which I normally use in "modem mode", i.e., straight
>> through to my own router) for a few hours.  I got everything back to
>> normal, but on two consecutive days now, around 01:30 or so, the
>> machine (desktop & home "server") has gone off its static IP address
>> and onto a DHCP address from the router, which makes it impossible for
>> me to SSH into it (unless I can guess the IP address correctly).
>
> Hi Adam,
>
>
>
> Just a wild guess ... does the router do a 24hr routine that disconnects
> all attached machines and then re-leases new ips?
>
> Have you reserved the static ip for the corresponding MAC-address? I
> have my Netgear router set to DHCP so it is easier for my various
> wireless devices to connect to it, but have reserved the ips for the
> machines that are always connected to it.

This router has never had options for those things, & I've been using
it for years.  OTOH, "some trouble" had to do with a firmware upgrade,
since which I've had difficulty getting to the admin panel!

It's a Linksys BEFSR81, & I'm open to suggestions for a functionally
similar replacement.