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ADSL PPPoE configuration

ADSL PPPoE Static IP Problem

I have CISCO 1841 Router with ADSL WIC, i have configured the PPPoE information and get the internet on the router but the addresses is negotiated, but i have /29 IP Addresses for example

and the Gateway is :

I need this IPs to working on the router also i have dialer0 with auto negotiated IP address and i need the subnet redirect to one of this static IPs, and i need to configure the static IPs in connected servers and the private IPs to computers

Thanks in advance

Everyone's tags (1)
VIP Advisor

Re: ADSL PPPoE configuration

Does the router get a negotiated address inside of your /29, or something completely different?


Re: ADSL PPPoE configuration

NO It's gives another ip in different range

VIP Advisor

Re: ADSL PPPoE configuration

Is the ISP routing your /29 to you via that IP address then?

Re: ADSL PPPoE configuration

I'm don't know but this IPs routing to my network and PPPoE, i have this subnet and gateway from the provider, also please note the provider support team don't have any knowledge about this mission or this task, also another note if i used any other small router like Linksys ADSL +2 Router the IPs working fine after changing the linksys IP to the gateway without any issue
VIP Advocate

Re: ADSL PPPoE configuration

Hi, Some days ago I have faced the same issue in the INDIA with BSNL service provider. After discussion with ISP, I have configured the router as below:


1. Configured Dial-up and get a normal IP from ISP.

2. Make a Look back interface and assigned an IP public IP to loopback. 

3. Added a default route toward to default gateway.

4. IP nat outside is added to lookback interface etc.


I will try to get a backup copy of that router and If will get then I will share the correct configuration with you. 



Deepak Kumar




Deepak Kumar,
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