Re: Eth0 disconnects from router?

[David Baron <d_baron@012.net.il>]

>>>Approximately every hour, I get log entries like:

>>>an 28 13:47:59 dovidhalevi pumpd[1819]: failed to renew lease for device 
eth0
>>>Jan 28 13:48:29 dovidhalevi pumpd[1819]: failed to renew lease for device 
eth0
>>>Jan 28 13:50:00 dovidhalevi pumpd[1819]: failed to renew lease for device 
eth0

> > As for your new problem, it looks like your DHCP server is set up to
> > hand out 1 hour leases.  If the DHCP server is built in to the router,
> > as is often the case, that comes down to reconfiguring your router.
> > You want a fairly long lease time.  You also want a fair amount of
> > time between when a lease is released (or when connectivity is lost)
> > and when that IP address is made available for reuse.
> 
> This one probably hits it. The question is how to reconfigure? I have found
>  no   configure http or anything else. This router is a WAN to ethernet and
>  two VOIP phone channels made by "Audiocodes." No information. The provider
>  is Linux- illiterate. (A separate box xlates ADSL to the WAN cable.)
> 

I was told by the supplier that the address involved is not to IP to the 
internet but the router IP. This is fixed. They advised me to simply make it a 
static IP and not exercise the DHCP.

I edited /etc/network/interfaces accordingly.

Seemed to work, but after the ADSL provider changed things around, the thing 
no longer honors this choice. DHCP is being called despite and the lease 
problem recurs. What, if at all, this should have to do with the new optical 
cables laid under the street, I cannot guess. Maybe there is another place I 
needed to edit?

Doing this using netcardconfig gives my hand edited entries as default choices 
but the data is then blanked out in the interfaces file and ifup/ifdown do not 
work correctly.