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Thread View: alt.internet.wireless
4 messages
4 total messages Started by BigAl.NZ Thu, 26 Jun 2008 22:14
Haldbridge modem & DD-WRT DHCP problem
#48
Author: BigAl.NZ
Date: Thu, 26 Jun 2008 22:14
30 lines
2225 bytes
Hi All,

Hope someone here can help. I am having a problem with the following
setup:

<Internet>----<Dlink 502G ADSL modem>-----<DD-WRT router>-----<Windows
XP PC>

Dlink 502G : in half bridge mode, so as I understand it, it should
terminate my PPPoA connection, but pass on the real world IP to the DD-
WRT. Address to access setup pages is 10.1.1.1. Is being assigned
dynamic IP's by ISP.

DD-WRT : Getting the real world IP from the Dlink 502G ok. Setup pages
is 192.168.1.1. Assigns IP's to clients in the range 192.168.1.100.

Now the problem is that when the Dlink 502G resynchs, for whatever
reason, the new IP is not being passed on to the DD-WRT. I can fix
this by manually going into the DD-WRT setup pages and clicking on
DHCP renew, but I am assuming it shoud be updating the IP after a
resynch automatically?

Anyone have any suggestions?

I will try to post some links to screen shots of the setup later.

Cheers

-Al
PS: DD-WRT running on Linksys v1, V24 stable.
Re: Haldbridge modem & DD-WRT DHCP problem
#49
Author: Kadaitcha Man
Date: Fri, 27 Jun 2008 02:12
44 lines
2470 bytes
BigAl.NZ@gmail.com, ye fobbing foul adultress, tempt not too much the
hatred of my spirit, for I am sick when I do look on thee, ye squalled:

> Hi All,
>
> Hope someone here can help. I am having a problem with the following
> setup:
>
> <Internet>----<Dlink 502G ADSL modem>-----<DD-WRT router>-----<Windows
> XP PC>
>
> Dlink 502G : in half bridge mode, so as I understand it, it should
> terminate my PPPoA connection, but pass on the real world IP to the DD-
> WRT. Address to access setup pages is 10.1.1.1. Is being assigned
> dynamic IP's by ISP.
>
> DD-WRT : Getting the real world IP from the Dlink 502G ok. Setup pages
> is 192.168.1.1. Assigns IP's to clients in the range 192.168.1.100.
>
> Now the problem is that when the Dlink 502G resynchs, for whatever
> reason, the new IP is not being passed on to the DD-WRT. I can fix
> this by manually going into the DD-WRT setup pages and clicking on
> DHCP renew, but I am assuming it shoud be updating the IP after a
> resynch automatically?
>
> Anyone have any suggestions?

The malfunction is caused by the phased thetatachyon disinverting echo.
You can either break the matter fuse a spatial-plane, or wind the
bipolar sensor a vertiwrench. You may need a new deuterium integer
stack. Check the schedule of the thermo-array G�delian toroid.

> I will try to post some links to screen shots of the setup later.
>
> Cheers
>
> -Al
> PS: DD-WRT running on Linksys v1, V24 stable.

-- 
Hammer of Thor: February 2007. Pierre Salinger Memorial Hook,
Line & Sinker: September 2005, April 2006, January 2007.
Official Member: Cabal Obsidian Order COOSN-124-07-06660
Official Overseer of Kooks & Trolls in 24hoursupport.helpdesk
Re: Haldbridge modem & DD-WRT DHCP problem
#47
Author: BigAl.NZ
Date: Fri, 27 Jun 2008 03:45
8 lines
1660 bytes
I am convinced the problem is with the Dlink 502T I changed it so that
I have :

<Internet>---<Dlink 502T>-----<WInXP PC> and it still would not update
the PC with the real world IP.

And yes the ethernet adapter on the PC was set to obtain address
automatically.
Re: Haldbridge modem & DD-WRT DHCP problem
#46
Author: BigAl.NZ
Date: Fri, 27 Jun 2008 21:58
89 lines
5008 bytes
On Jun 28, 4:26 am, Jeff Liebermann <je...@cruzio.com> wrote:
> On Thu, 26 Jun 2008 15:14:29 -0700 (PDT), BigAl...@gmail.com wrote:
> >Hi All,
>
> >Hope someone here can help. I am having a problem with the following
> >setup:
>
> ><Internet>----<Dlink 502G ADSL modem>-----<DD-WRT router>-----<Windows
> >XP PC>
>
> >Dlink 502G : in half bridge mode, so as I understand it, it should
> >terminate my PPPoA connection, but pass on the real world IP to the DD-
> >WRT. Address to access setup pages is 10.1.1.1. Is being assigned
> >dynamic IP's by ISP.
>
> >DD-WRT : Getting the real world IP from the Dlink 502G ok. Setup pages
> >is 192.168.1.1. Assigns IP's to clients in the range 192.168.1.100.
>
> >Now the problem is that when the Dlink 502G resynchs, for whatever
> >reason, the new IP is not being passed on to the DD-WRT. I can fix
> >this by manually going into the DD-WRT setup pages and clicking on
> >DHCP renew, but I am assuming it shoud be updating the IP after a
> >resynch automatically?
>
> >Anyone have any suggestions?
>
> >I will try to post some links to screen shots of the setup later.
>
> >Cheers
>
> >-Al
> >PS: DD-WRT running on Linksys v1, V24 stable.
>
> I see that going from v23 to v24 didn't help.
> The 192.168.1.xxx IP's are not involved.  Those are the LAN side IP's
> that are assigned by the DHCP server in the DD-WRT router.  That's
> working.
>
> What's apparently not working is the WAN side DHCP client (not
> server).  A few problems.
> 1.  When you power cycle the DSL modem, there should be no change in
> IP address.
> 2.  If your ISP uses an ATM disconnect (from the modem) to issue a new
> IP address, the DHCP client (in DD-WRT) will not notice until it's
> time to renew the DHCP lease.  The only way that's going to happen is
> if you power cycle BOTH devices or force a renewal from the setup
> pages.
> 3.  There is no mechanism for the DHCP server to inform the client
> that it's time to renew BEFORE the lease expires.  For example, if the
> DHCP server issued a lease for 24 hours, the client will try to renew
> at 12 hours and will not request a new IP until the full 24 hours are
> up.
> 4.  There are kludges to solve this problem.  One is a simple shell
> script that tests for connectivity to the ISP gateway.  If it fails,
> it forces at a WAN side disconnect:
>   ifconfig vlan1 down
> followed by a reconnect:
>   ifconfig vlan1 up
> which I think (not sure) initiates a new DHCP negotiation.  I can try
> it here, but not for a few days.  Bizzzzeeeee.
>
> --
> Jeff Liebermann     je...@cruzio.com
> 150 Felker St #D    http://www.LearnByDestroying.com
> Santa Cruz CA 95060http://802.11junk.com
> Skype: JeffLiebermann     AE6KS    831-336-2558- Hide quoted text -
>
> - Show quoted text -

Sound it sounds like things are actually working the way they should,
albeit thats not nessecarily the way I want them to work?

Perhaps I should :

(a) make my ADSL connection more reliable so it doesnt disconnect
(b) Set the 502T to PPPoA mode and turn on DHCP, and make it a DMZ.

I would then get the 502T to assign 10.1.1.3 to the DD-WRT and the DMZ
would make sure all traffic goes to the DD-WRT? I guess its still a
kind of double NAT? I suppose I could make the LAN side of the 502T
static IP with 10.1.1.3?

My aim here is to make the DD-WRT do all the work, and just have the
502T terminate the connection and pass everything on to the DD-WRT
where all the firewalls, acess restrictions and port forwards are
setup.

-Al
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