Wireshark-users: Re: [Wireshark-users] Strange problem
From: Chris Maynard <chris.maynard@xxxxxxxxx>
Date: Wed, 20 Apr 2011 22:23:25 +0000 (UTC)
Someone Somebody <temp4746@...> writes:

> Ok, by looking at the dhcp offer packet it seems the lease is set to 1 hour...
-.-"
> At the 30 minute mark when the computer requests a renew the router's bugge
dhcp server sends a nak which causes the disconnect.
>  
> Any ideas? (I'm gonna try and replace to a different router with my ISP but
the other model I know for sure they are offering has it's own share of bugs)

Well, you could assign yourself static IP, netmask, gateway and DNS entries
instead of using DHCP to obtain them all.  If you don't have a lot of computers
to maintain, then this might be a viable alternative for you.  Usually the only
problem you might run into on [typically] rare occasions is if the DNS entries
ever change, but it's easy enough to find the new ones if they do by just
changing back to DHCP temporarily.  I have no idea how often that might happen,
if at all though.  But, if it does happen and you find that it happens too often
such that it becomes too annoying for you, then you could always use other DNS
servers that don't ever change, such as opendns.  You don't have to use your
provider's DNS servers.

opendns servers are listed at http://www.opendns.com/ as:

208.67.222.222
208.67.220.220 

I also see at http://en.wikipedia.org/wiki/OpenDNS that there are two others
listed as well:

208.67.222.220
208.67.220.222

Obviously there are other alternatives if you don't like opendns.