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Workaround for Renew DHCP Lease?

 
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Pete Pemberton

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Since: Feb 14, 2008
Posts: 9



(Msg. 1) Posted: Wed Feb 27, 2008 12:47 am
Post subject: Workaround for Renew DHCP Lease?
Archived from groups: comp>sys>mac>system (more info?)

Is there a way to have this reset automatically? 15 days seems to be
the max. Any way to increase that? I'm sure there is a good reason why
this has do be reset periodically.
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PP

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Kvargla

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Since: Feb 27, 2008
Posts: 1



(Msg. 2) Posted: Wed Feb 27, 2008 1:25 am
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
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Hi;

PetePemberton wrote:
> Is there a way to have this reset automatically? 15 days seems to be
> the max. Any way to increase that? I'm sure there is a good reason why
> this has do be reset periodically.

DHCP lease time is set on DHCP server by its administrator. You can
only force renew DHCP lease sooner than is setup on the server but you
cannot prolong it on the client side. Of coarse there is reason why
lease time is set. There is usually set of IP addresses which are
dedicated to DHCP and it is considered than no more that that amount
of computers is connected to the network in particular time. So to
avoid that all IP are used and no one left they are renew on regular
time basis. On the other hand it make no sense to renew very often, to
save resources there is usually considerable interval set. 15 days
seems too long.

If you want to have same IP each time you can ask (or configure
yourself if you have access) DHCP server administrator to reserve you
same IP using for example your MAC address from your NIC card. By this
if renew comes you still get same IP and nobody else got that IP if
your box will be off line. Or you can configure client not use DHCP
and get static IP from your network administrator.

Cheers
Marian

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Lewis

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Since: Jan 19, 2008
Posts: 637



(Msg. 3) Posted: Wed Feb 27, 2008 6:59 am
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
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Kevin McMurtrie1

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Since: Sep 07, 2003
Posts: 474



(Msg. 4) Posted: Wed Feb 27, 2008 8:32 pm
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
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In article <2008022700475616807- DeleteThis @nntp.fuse.net>, Pete Pemberton wrote:

> Is there a way to have this reset automatically? 15 days seems to be
> the max. Any way to increase that? I'm sure there is a good reason why
> this has do be reset periodically.

It expires to allow network devices to come and go without running out
of assignments.

Is the DHCP server on your LAN or your ISP? If it's on your LAN, just
use DHCP with a fixed address. Your LAN equipment shouldn't mind it.
The only way to get a fixed address from your ISP is to buy one from
them.

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I don't read Google's spam. Reply with another service.
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Pete Pemberton

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Since: Feb 14, 2008
Posts: 9



(Msg. 5) Posted: Wed Feb 27, 2008 11:23 pm
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
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On 2008-02-27 08:59:56 -0500, Lewis <gkreme.DeleteThis@gmail.com> said:

> In article
> <02345cfe-6d55-4042-9b9d-a2b15694bb33.DeleteThis@d5g2000hsc.googlegroups.com>,
> Kvargla <marian.stepka.DeleteThis@gmail.com> wrote:
>
>> There is usually set of IP addresses which are
>> dedicated to DHCP and it is considered than no more that that amount
>> of computers is connected to the network in particular time. So to
>> avoid that all IP are used and no one left they are renew on regular
>> time basis.
>
> On the vast majority of personal LANs there is no reason to ever have a
> DHCP lease expire. If your router supports it, set the lease time to
> '0'.

Of course it doesn't support it. I set it to 9999 days.
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PP
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Jolly Roger

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Since: Sep 09, 2006
Posts: 2935



(Msg. 6) Posted: Thu Feb 28, 2008 1:42 am
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <2008022723235343042- RemoveThis @nntp.fuse.net>, Pete Pemberton wrote:

> On 2008-02-27 08:59:56 -0500, Lewis <gkreme RemoveThis @gmail.com> said:
>
> > In article
> > <02345cfe-6d55-4042-9b9d-a2b15694bb33 RemoveThis @d5g2000hsc.googlegroups.com>,
> > Kvargla <marian.stepka RemoveThis @gmail.com> wrote:
> >
> >> There is usually set of IP addresses which are
> >> dedicated to DHCP and it is considered than no more that that amount
> >> of computers is connected to the network in particular time. So to
> >> avoid that all IP are used and no one left they are renew on regular
> >> time basis.
> >
> > On the vast majority of personal LANs there is no reason to ever have a
> > DHCP lease expire. If your router supports it, set the lease time to
> > '0'.
>
> Of course it doesn't support it.

Well surely you didn't expect us to somehow know that, right? ; )

> I set it to 9999 days.

I wonder - do most or all routers have mandatory DHCP timeouts like
this? My Netgear WPN824v2 doesn't seem to have *any* DHCP lease
expiration settings.

--
Note: Please send all responses to the relevant news group. If you
must contact me through e-mail, let me know when you send email to
this address so that your email doesn't get eaten by my SPAM filter.

JR
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Lewis

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Since: Feb 28, 2008
Posts: 38



(Msg. 7) Posted: Thu Feb 28, 2008 8:25 am
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Michelle Steiner

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Since: Jul 15, 2003
Posts: 6223



(Msg. 8) Posted: Thu Feb 28, 2008 8:44 am
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Michelle Steiner

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Since: Jul 15, 2003
Posts: 6223



(Msg. 9) Posted: Thu Feb 28, 2008 8:45 am
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Jolly Roger

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Since: Sep 09, 2006
Posts: 2935



(Msg. 10) Posted: Thu Feb 28, 2008 11:54 am
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
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In article <-uadnaJQb97GT1vanZ2dnUVZ_rXinZ2d DeleteThis @giganews.com>,
Lewis <g.kreme DeleteThis @gmail.com.dontsendmecopiesofposts> wrote:

> I'm sure your WPN824v2 has some setting somewhere for the lease
> time. Not having it would be very weird.

I found no such setting in any of the web pages of the user interface.
Then I searched the reference manual for "lease" and found no such
setting there either. I suppose this is a "very weird" router then! :
D

--
Note: Please send all responses to the relevant news group. If you
must contact me through e-mail, let me know when you send email to
this address so that your email doesn't get eaten by my SPAM filter.

JR
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Pete Pemberton

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Since: Feb 14, 2008
Posts: 9



(Msg. 11) Posted: Thu Feb 28, 2008 3:40 pm
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On 2008-02-28 02:42:28 -0500, Jolly Roger <jollyroger.DeleteThis@pobox.com> said:
>>>
>>
>> Of course it doesn't support it.
>
> Well surely you didn't expect us to somehow know that, right? ; )

No, I figued you had me on emulation through Usenet... ;-) Thanks for
te tip, and I tried it, and of course, my modem doesn't support it, as
in, I would be so lucky that it supports it, eh?

>
>> I set it to 9999 days.
>
> I wonder - do most or all routers have mandatory DHCP timeouts like
> this? My Netgear WPN824v2 doesn't seem to have *any* DHCP lease
> expiration settings.

Don't know, but both the Linksys WRG45 (or whatever) and this
particulare AEBS do have Lease Renewal.
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PP
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Lewis

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Since: Feb 28, 2008
Posts: 38



(Msg. 12) Posted: Thu Feb 28, 2008 5:08 pm
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Warren Oates

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Since: Nov 16, 2005
Posts: 1403



(Msg. 13) Posted: Fri Feb 29, 2008 7:58 am
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article
<jollyroger-4B3C6B.01422828022008 RemoveThis @earthlink.vsrv-sjc.supernews.net>,
Jolly Roger <jollyroger RemoveThis @pobox.com> wrote:

> I wonder - do most or all routers have mandatory DHCP timeouts like
> this? My Netgear WPN824v2 doesn't seem to have *any* DHCP lease
> expiration settings.

My Dlink DGL4300 defaults to 1440 minutes.
--
W. Oates
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Jolly Roger

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Since: Sep 09, 2006
Posts: 2935



(Msg. 14) Posted: Fri Feb 29, 2008 12:23 pm
Post subject: Re: Workaround for Renew DHCP Lease? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <7JGdnf3tyeOf0FranZ2dnUVZ_ryqnZ2d.TakeThisOut@giganews.com>,
Lewis <g.kreme.TakeThisOut@gmail.com.dontsendmecopiesofposts> wrote:

> In article
> <jollyroger-AEBD7D.11543728022008.TakeThisOut@earthlink.vsrv-sjc.supernews.net>,
> Jolly Roger <jollyroger.TakeThisOut@pobox.com> wrote:
>
> > In article <-uadnaJQb97GT1vanZ2dnUVZ_rXinZ2d.TakeThisOut@giganews.com>,
> > Lewis <g.kreme.TakeThisOut@gmail.com.dontsendmecopiesofposts> wrote:
> >
> > > I'm sure your WPN824v2 has some setting somewhere for the lease
> > > time. Not having it would be very weird.
> >
> > I found no such setting in any of the web pages of the user interface.
> > Then I searched the reference manual for "lease" and found no such
> > setting there either. I suppose this is a "very weird" router then! :
> > D
>
> I found numerous posts on Google with people saying things like 'I've
> set the timeout to 7 days' or similar. However, on looking more closely
> it appears that these comments are intermingled with "how do I do that
> on the WPN824?" sorts of questions that are not answered.
>
> Congratulations on your weird router.
>
> I knew there was a reason I disliked Netgear...

Next time I'm in the market, I'm going to give Apple's router serious
consideration. Last time I looked (before the Airport Extreme was
announced), there were some things lacking that broke the deal for me.

--
Note: Please send all responses to the relevant news group. If you
must contact me through e-mail, let me know when you send email to
this address so that your email doesn't get eaten by my SPAM filter.

JR
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Michelle Steiner

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Since: Jul 15, 2003
Posts: 6223



(Msg. 15) Posted: Fri Feb 29, 2008 12:23 pm
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