[GRLUG] finding dhcp lease info

[Dave Chiodo]

Sounds screwy. But with the canned firmware those things comes with, who
knows. I tend to avoid the "stock" firmware and prefer OpenWRT or Tomato.

I can't imagine any reason having some fixed-IP devices would be a problem.
Technically even if they were in the DHCP range it should be ok, as the
DHCP service SHOULD do a ping to make sure an address isn't claimed before
assigning it. (keyword "should" - so probably better to keep them
non-overlapping)


On Fri, Jan 24, 2014 at 9:55 PM, Eric Beversluis <
ebever at researchintegration.org> wrote:

> On Fri, 2014-01-24 at 21:28 -0500, Dave Chiodo wrote:
> > The guy sounds like he has no idea what he's talking about.
> >
> >
> > Are you trying to get the IP address that has been assigned to the
> > router from upstream(the ISP)?
> >
> >
> > Or are you trying to see which IP's its DHCP server to client
> > PCs/devices?
> >
> Just wanting to see which leases the router has provided to my various
> computers and printers. The attached devices list doesn't give all the
> outstanding leases and, for some reason, doesn't show the address
> assigned to the Mac, just shows its MAC and dashes in the IP addr box.
>
> It's probably worth my while to reset the router to fac default and
> reconfig it to see if that helps.
>
> Is there any reason that having some devices with fixed IP addresses
> should cause problems for a lower end router like this? There's no
> overlap with the assigned DHCP range.
>
> >
> >
> >
> >
> >
> > On Fri, Jan 24, 2014 at 7:36 PM, Eric Beversluis
> > <ebever at researchintegration.org> wrote:
> >         I just spent a frustrating time (incl 20+ min waiting) on chat
> >         with
> >         Netgear to learn how to find the dhcp leases on one of their
> >         wireless
> >         routers (WPN824N). After being hassled for when and where I
> >         bought it (I
> >         thought Microcenter, but wasn't sure) the guy finally said
> >         that you
> >         couldn't find the info there but had to look at the modem.
> >
> >         "As I checked my resources about the concern, there is no
> >         settings in
> >         the router which you can configure and view the DHCP list.
> >         Because it
> >         can only be found on the modem's interface.
> >         Eric Beversluis: ???? That's never been the case with any
> >         other wireless
> >         router I've had. The moden wouldn't know anything about it
> >         since the
> >         NAT'ing is done with the router.
> >         Johnpaul Delatorre: You can check on the modem's interface
> >         where to
> >         locate the list of DHCP leases and how to configure it."
> >
> >         Am I totally wrong in thinking this was nonsense? The router
> >         is doing
> >         the NAT'ing and assigning the DHCP leases, so why would that
> >         info be on
> >         the modem and not on the router?
> >
> >         I'm thinking they just didn't bother to make that info
> >         available on this
> >         particular model. But why would they do that? Surely it's just
> >         some
> >         boilerplate coding to include in the webconfig pages. I don't
> >         think I've
> >         ever had a wireless router that didn't show this.
> >
> >         Or am I all wet?
> >
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> >
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