Troubleshooting guide

Record Information from the ISP
The following form includes questions about the name of the reseller where you purchased your Cisco DSL
Router and about the name of your ISP. The remaining questions you must ask your ISP. Fill in answers to all
questions.
Where did you purchase the Cisco DSL
Router (name of Reseller)?
Reseller
What is the name of your ISP? ISP
Information to Request from Your ISP
Is the ISP offering you DMT or CAP
modulation?
DMT CAP
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
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
What is the IP address of the ISP's default
gateway (also called the next hop
address)?
ISP Default Gateway IP Address
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.
Cisco DSL Router Configuration and Troubleshooting Guide