Troubleshooting guide

Is your ISP using an Alcatel compliant or

a Cisco Systems DSLAM?

Alcatel Compliant Cisco

Other

What VPI/VCI pair values (also called the

PVC number) is your ISP using for your

DSL connection? For example, 8/35

VPI=8, VCI=35.

VPI VCI

Will the PC or the Cisco DSL Router be

configured as the PPPoE client?

PC Cisco DSL Router

What is the domain name of your ISP? Domain

What is your PPP client username? Username

What is your PPP client password? Password

If your ISP assigned a static IP address for

your Cisco DSL Router, what is the public

IP address and subnet mask?

IP Address

Subnet Mask

Is your ISP providing a dynamically

generated IP address?

Yes No

Record Information About Your Network

Record the following information about your private network. This information is not related to the ISP.

Are you performing Network Address

Translation (NAT) on your private

network?

Yes No

Are you configuring the Cisco DSL

Router to act as a Dynamic Host Control

Protocol (DHCP) server?

Yes No

What IP address and subnet mask will you

configure on the Ethernet0 interface?

IP Address

Subnet Mask

Choose Your Next Step

When you have all the information you need from your ISP and about your private network, select one of the

following based on whether you have a new installation or are troubleshooting an existing one.

New DSL Configuration

Troubleshooting my existing DSL connection with the Cisco DSL Router as a PPPoE client

Troubleshooting my existing DSL connection with the PC as a PPPoE client

Main Page

Cisco DSL Router Configuration and Troubleshooting Guide