Specifications

DOCSIS 1.1 for Cisco uBR905 and Cisco uBR925 Cable Access Routers and Cisco CVA122 Cable Voice Adapters
How to Configure DOCSIS 1.1 Support
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Cisco IOS Release 12.2(15)CZ
Figure 3 Entering the Kickstart Values into Cisco Broadband Configurator Version 4.0
Tip Enter the hexadecimal digits of the public key separated either by spaces or by hyphens, and without a
“0x” hexadecimal prefix. The public key must contain exactly 128 hexadecimal bytes.
Step 3 After entering all other required values into the DOCSIS configuration file, reset the Cisco uBR905,
Cisco uBR925, or Cisco CVA122, and download the DOCSIS configuration file to it.
Configuring for Secure Software Download
Before a DOCSIS 1.1 cable modem can perform a secure software download, it must be configured with
the code verification certificates (CVCs) that allow it to securely transfer the software file from the
CMTS. The manufacturer’s CVC (M-CVC) verifies that the software image has been properly signed by
the manufacturer (in this case, Cisco Systems). The optional cosigner’s CVC (C-CVC) verifies that the
software image has been signed by the Multi-Service Operator (MSO) that is providing the cable
network.