Cisco 7246 - uBR Router Configurazione - Pagina 26
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Manage Cable Modems on the HFC Network
To activate cable modem authentication, use the following command from the cable interface
configuration mode:
Command
cable shared-secret secret-key
Validation Tips
To verify if cable modem authentication has been activated or deactivated, enter the command more
system:running-config and look for the cable interface configuration information. If cable modem
authentication has been activated, it does not appear in this output. If cable modem authentication
has been deactivated, it appears in this output as no cable secret-shared as shown in this command
output excerpt:
router# more system:running-config
Building configuration...
Current configuration:
!
interface Cable6/0
!
Troubleshooting Tips
If you are having trouble, make sure you entered the correct slot and port numbers when you entered
cable interface configuration mode.
Activate Cable Modem Upstream Address Verification
You activate cable modem upstream address verification to ensure that only known cable modems
on the HFC network can transmit upstream data to a Cisco uBR7246. The default is "off" (cable
modem upstream address verification is deactivated).
To activate or deactivate cable modem upstream verification, use the following command:
Command
cable source-verify
VC-158
Voice, Video, and Home Applications Configuration Guide
ip address 1.1.1.1 255.255.255.0
no keepalive
no cable secret-shared
cable insertion-interval 150000
cable downstream annex B
cable downstream modulation 64qam
cable downstream interleave-depth 32
cable downstream symbol-rate 5056941
cable upstream 0 frequency 15008000
cable upstream 0 fec
cable upstream 0 scrambler
no cable upstream 0 shutdown
Purpose
Enable cable modem authentication.
Purpose
Activate cable modem upstream verification.