WAN IP Address is overwritten after each connection

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camefromhell
DD-WRT Novice


Joined: 25 Dec 2008
Posts: 3

PostPosted: Sat Jan 17, 2009 18:40    Post subject: WAN IP Address is overwritten after each connection Reply with quote
Hello everyone!

I've got a WRT54G2 and installed the DD-WRT v24-sp2 (10/30/08 ) micro firmware on it.

I'm connecting to my ISP using PPTP. The WAN IP Address is set to 10.0.0.140, Subnet mask is 255.255.255.0, gateway is 10.0.0.138 which is a Thomson Speedtouch modem. With this configuration the router is able to connect to the internet. After the connection is established the router overwrites the WAN IP Address on the basic setup tab with some other IP Address (e. g. 212.108.40.???). The provider does disconnect after 8 hours and the router tries to reconnect, but because the WAN IP address is changed it cannot find the gateway and no connection is possibe. To solve the problem i've to enter the correct WAN IP Adress after each disconnect manually.

Does anyone have an idea how to solve this problem?
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frater
DD-WRT Guru


Joined: 07 Jun 2006
Posts: 2777

PostPosted: Sat Jan 17, 2009 18:57    Post subject: Reply with quote
Why don't you use dhcp-spoof?
You can configure your Speedtouch 516 that way and let the modem do the login.
Afterwards it will give the wan-address / subnetmask /gateway and DNS over DHCP to your router.

_________________
Asus RT16N + OTRW
Kingston 4GB USB-disk 128 MB swap + 1.4GB ext3 on /opt + 2 GB ext3 on /mnt
Copperjet 1616 modem in ZipB-config
Asterisk, pixelserv & Pound running on router
Another Asus RT16N as WDS-bridge

DD-WRT v24-sp2 vpn (c) 2010 NewMedia-NET GmbH
Release: 12/16/10 (SVN revision: 15758M)
camefromhell
DD-WRT Novice


Joined: 25 Dec 2008
Posts: 3

PostPosted: Sat Jan 17, 2009 19:00    Post subject: Reply with quote
It isnt a speedtouch 516, it's a 575 and the provider locked me out of that thing so I can't change anything.
frater
DD-WRT Guru


Joined: 07 Jun 2006
Posts: 2777

PostPosted: Sat Jan 17, 2009 19:49    Post subject: Reply with quote
Can't you buy a 2nd hand 516?
You only need to have the VPI/VCI
You already have the PPP-credentials.

I'm sure they didn't disable the reset button.

_________________
Asus RT16N + OTRW
Kingston 4GB USB-disk 128 MB swap + 1.4GB ext3 on /opt + 2 GB ext3 on /mnt
Copperjet 1616 modem in ZipB-config
Asterisk, pixelserv & Pound running on router
Another Asus RT16N as WDS-bridge

DD-WRT v24-sp2 vpn (c) 2010 NewMedia-NET GmbH
Release: 12/16/10 (SVN revision: 15758M)
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