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Configuring Subscriber-End Broadband Access Router Features
Subscriber-End Broadband Access Router Configuration Tasks
MC-640
Cisco IOS Multiservice Applications Configuration Guide
• The CMTS system administrator or appropriate personnel must specify the policy parameters for the
Cisco uBR900 series and all computers and other customer premises devices to be supported at
subscriber sites. Refer to the Cisco CNR product documentation.
• The CMTS system administrator or appropriate personnel must define and push DHCP and
Cisco uBR900 series configuration files to the appropriate servers such that each cable access router,
when initialized, can transmit a DHCP request, receive its IP address, obtain its TFTP and ToD
server addresses, and download its configuration file (and updated Cisco IOS image, if required).
Note The MAC address on the cable access router ensures that each router downloads only the
file(s) intended for it.
• The Cisco uBR900 series cable access router must be physically installed and cabled as follows:
–
To the headend via CATV coaxial cable. (High-quality, shielded RF coaxial cable with at least
80 percent braid is recommended.)
–
To at least one PC via the straight-through yellow Ethernet cable supplied with the cable access
router. Refer to the appropriate cable access router quick start guide for detailed information.
Note When the Cisco uBR900 series is connected to an Ethernet hub, a crossover cable must be
used. Category 5 UTP (10BaseT Ethernet) cable with RJ-45 connectors is recommended.
Note For subscriber sites that support multiple telephones or fax devices on a telephone line, all
wiring associated with the telephone line extension must be in place. Inside wiring must be
in compliance with the country of operation to prevent degradation of service.
• The CMTS system administrator must ensure that appropriate databases are updated to activate and
support the new subscriber account in the provisioning, billing, or network management systems in
place for your network once each cable access router is registered with the CMTS.
• The PC(s) connected to the Cisco uBR900 series cable access router must be configured for IP.
• Cisco IOS Release 12.1 or later must be running on the Cisco uBR900 series cable access router.
When the cable access router is up and running, you can display the Cisco IOS release number by
entering the show version command in user EXEC mode.
Subscriber-End Broadband Access Router Configuration Tasks
The Cisco uBR900 series cable access router typically is configured automatically on power-up using a
configuration file generated by the cable service provider and delivered via the CMTS installed at the
cable headend. All of the following configuration tasks are optional.
• Configuring a Host Name and Password
• Configuring Ethernet and Cable Access Router Interfaces
• Configuring Routing
• Configuring Bridging
• Reestablishing DOCSIS-Compliant Bridging