Cisco uBR7246 - Manuals

Configure the Downstream Cable Interface VC-138 Voice, Video, and Home Applications Configuration Guide • Install at least one Cisco MC11 cable modem card in the appropriate slot of Cisco uBR7246 chassis. For information about installing the Cisco MC11 cable modem card, refer to the Cisco uBR7246 Un...

Set the Downstream Center Frequency Configuring Cisco uBR7246 Universal Broadband Router Features VC-139 Note The default values for the commands used in these configuration steps are, in most cases, adequate to configure the Cisco uBR7246. Set the Downstream Center Frequency You need to set the dow...

Configure the Downstream Cable Interface VC-140 Voice, Video, and Home Applications Configuration Guide Troubleshooting Tips If you are having trouble: • Make sure the cable connections are not loose or disconnected. • Make sure the cable modem card is firmly seated in its Cisco uBR7246 chassis slot...

Set the Downstream MPEG Framing Format (Annex A or Annex B) Configuring Cisco uBR7246 Universal Broadband Router Features VC-141 Set the Downstream MPEG Framing Format (Annex A or Annex B) The MPEG framing format must be compatible with the downstream symbol rate you set. Set the MPEG framing format...

Configure the Downstream Cable Interface VC-142 Voice, Video, and Home Applications Configuration Guide To set the downstream modulation, use the following command in cable interface configuration mode: Validation Tips To verify the downstream modulation setting, enter the show controllers cable com...

Activate the Downstream Carrier Configuring Cisco uBR7246 Universal Broadband Router Features VC-143 Troubleshooting Tips If you are having trouble: • Make sure the cable connections are not loose or disconnected. • Make sure the cable modem card is firmly seated in its Cisco uBR7246 chassis slot. •...

Configure the Upstream Cable Interface VC-144 Voice, Video, and Home Applications Configuration Guide Configure the Upstream Cable Interface The next step is to configure the upstream cable interface. In this case, upstream refers to the data flow from a cable modem to the Cisco MC11 modem card in a...

Set the Upstream Input Power Level Configuring Cisco uBR7246 Universal Broadband Router Features VC-145 Validation Tips To verify the current value of the upstream frequency, enter the show controllers cable command for the upstream port that you have just configured: router# show controllers cable ...

Configure the Upstream Cable Interface VC-146 Voice, Video, and Home Applications Configuration Guide Validation Tips To verify the current value of the upstream input power level, enter the show controllers cable command for the upstream port that you have just configured: router# show controllers ...

Activate the Upstream Scrambler Configuring Cisco uBR7246 Universal Broadband Router Features VC-147 Validation Tips To verify if FEC is activated or deactivated, enter the command more system:running-config and look for the cable interface configuration information. The following is an excerpt from...

Configure the Upstream Cable Interface VC-148 Voice, Video, and Home Applications Configuration Guide Validation Tips To verify if the upstream scrambler is activated, enter the command more system:running-config and look for the cable interface configuration information. The following is an excerpt...

Configure and Activate Baseline Privacy Configuring Cisco uBR7246 Universal Broadband Router Features VC-149 Validation Tips To verify if the upstream ports are activated or deactivated, enter the show interface cable command for the upstream port that you have just configured: router# show interfac...

Configure and Activate Baseline Privacy VC-150 Voice, Video, and Home Applications Configuration Guide The configuration and activation of baseline privacy depend on each cable operator’s physical plant. To configure and activate baseline privacy, perform the following tasks: • Configure Kek Encrypt...

Activate Baseline Privacy Configuring Cisco uBR7246 Universal Broadband Router Features VC-151 Validation Tips To verify the tek life-time or grace-time values that have been set, enter the show cable privacy tek command: router# show cable privacy tek Configured TEK life-time value = 56000 Troubles...

Configure and Activate Frequency Agility VC-152 Voice, Video, and Home Applications Configuration Guide Note The cable interface will not operate until you either create and configure a spectrum group or set a fixed upstream frequency. From the interface configuration prompt, an interface is assigne...

Configure and Activate Spectrum Groups Configuring Cisco uBR7246 Universal Broadband Router Features VC-153 Configure and Activate Spectrum Groups After you create a spectrum group, you need to configure a list of upstream frequencies and nominal power levels that each spectrum group can use when an...

Activate Host-to-Host Communication (Proxy ARP) VC-154 Voice, Video, and Home Applications Configuration Guide Activate Address Resolution Protocol Requests To activate ARP requests, use the following command in cable interface configuration mode: Validation Tips To verify if ARP has been activated,...

Activate Proxy ARP Requests Configuring Cisco uBR7246 Universal Broadband Router Features VC-155 Activate Proxy ARP Requests To activate proxy ARP for host-to-host communications, use the following command in cable interface configuration mode: Validation Tips To verify if proxy ARP has been activat...

Set Optional IP Parameters VC-156 Voice, Video, and Home Applications Configuration Guide Activate IP Multicast Echo You can activate upstream IP multicast echo so that the Cisco uBR7246 can echo multicast packets. The default is “on” (IP multicast echo is activated). To activate IP multicast echo, ...

Manage Cable Modems on the HFC Network Configuring Cisco uBR7246 Universal Broadband Router Features VC-157 Validation Tips To verify if IP broadcast echo has been activated or deactivated, enter the command more system:running-config and look for the cable interface configuration information as sho...

Manage Cable Modems on the HFC Network VC-158 Voice, Video, and Home Applications Configuration Guide To activate cable modem authentication, use the following command from the cable interface configuration mode: Validation Tips To verify if cable modem authentication has been activated or deactivat...

Activate Cable Modem Insertion Interval Configuring Cisco uBR7246 Universal Broadband Router Features VC-159 Validation Tips To verify that cable modem upstream verification has been activated or deactivated, enter the command more system:running-config and look for the cable interface configuration...

Universal Broadband Features Configuration Example VC-160 Voice, Video, and Home Applications Configuration Guide Validation Tips To verify that a cable modem insertion interval has been set, enter the command more system:running-config and look for the cable interface configuration information as s...