Troubleshooting guide
Cisco DSL Router Configuration and Troubleshooting
Guide
RFC1483 Bridging with IRB Online Form
Before you can successfully configure your Cisco DSL Router with Asymmetric Digital Subscriber Line
(ADSL) service, you need specific information from your Internet Service Provider (ISP). If your ISP is
unsure, unable, or unwilling to provide answers to the questions outlined below, you may not be able to
correctly configure your Cisco DSL Router.
Forms are provided to help you obtain and record the information you need to build your own configuration.
Choose one of two formats for each form. Note that each format has different requirements for saving text that
you enter.
HTML – Enter information in the forms on this page.
Important: To save your entries you must print this page. No other methods to save your information
are available at this time.
•
Microsoft Word – Click here to open the forms in Microsoft Word. Fill in the forms, and then save
them on your local drive. Return to this page and continue with Choose Your Next Step at the bottom
of this page.
•
Important: If you need assistance with building or troubleshooting your configuration, you must have the
information in these forms accessible before you contact the Cisco Technical Assistance Center (TAC).
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 your 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
If your ISP assigned a static IP address for
the Cisco DSL Router, what is the public
IP address and subnet mask?
IP Address
Subnet Mask
Cisco DSL Router Configuration and Troubleshooting Guide