Features Guide
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... assign a new upstream channel to the downstream physical layer (PHY). Configuring Cisco uBR7246 Universal Broadband Router Features Cisco uBR7246 universal broadband features enable the Cisco uBR7246 universal broadband router to the "Cisco uBR7246 Universal Broadband Features Commands" chapter in the Voice, Video, and... the network topology for RF transmission and passes the signal to the cable modem using the Cisco uBR7246. Configuring Cisco uBR7246 Universal Broadband Router Features VC-133 Reverses the signal framing and encryption on the upstream signal from the upstream...
... assign a new upstream channel to the downstream physical layer (PHY). Configuring Cisco uBR7246 Universal Broadband Router Features Cisco uBR7246 universal broadband features enable the Cisco uBR7246 universal broadband router to the "Cisco uBR7246 Universal Broadband Features Commands" chapter in the Voice, Video, and... the network topology for RF transmission and passes the signal to the cable modem using the Cisco uBR7246. Configuring Cisco uBR7246 Universal Broadband Router Features VC-133 Reverses the signal framing and encryption on the upstream signal from the upstream...
Features Guide
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Figure 38 Topology for uBR7246 Universal Broadband WAN Internet ATM, 100BT, 10BT 100BT Proxy server Cisco uBR7246 Analog TV signals US-RF 5-42 MHz 100BT 100BT ISP IF MSO: Multiple Service Organization Upconverter RF DS-RF 54-860 Mhz Combiner Digital TV signals Fiber Transceiver Fiber node (Telephone pole, underground box) 80 km 1000 ft Two-way distribution amplifier Drop box Tap Cable modem (Cisco uBR904) 11278 VC-134 Voice, Video, and Home Applications Configuration Guide
Figure 38 Topology for uBR7246 Universal Broadband WAN Internet ATM, 100BT, 10BT 100BT Proxy server Cisco uBR7246 Analog TV signals US-RF 5-42 MHz 100BT 100BT ISP IF MSO: Multiple Service Organization Upconverter RF DS-RF 54-860 Mhz Combiner Digital TV signals Fiber Transceiver Fiber node (Telephone pole, underground box) 80 km 1000 ft Two-way distribution amplifier Drop box Tap Cable modem (Cisco uBR904) 11278 VC-134 Voice, Video, and Home Applications Configuration Guide
Features Guide
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...box. A coaxial cable delivers the signal from the tap to the data network. Description of Cisco uBR7246 Cable Router Description of Cisco uBR7246 Cable Router As shown in Figure 38, the Cisco uBR7246 serves as a Web cache for host computers, and the DHCP/TFTP server for cable ...operators to analog or digital television, the subscriber obtains data services using a cable modem appliance, like the Cisco uBR904 cable modem. Configuring Cisco uBR7246 Universal Broadband Router Features VC-135 On the RF side, the downstream port is connected to individual CATV subscribers. The ...
...box. A coaxial cable delivers the signal from the tap to the data network. Description of Cisco uBR7246 Cable Router Description of Cisco uBR7246 Cable Router As shown in Figure 38, the Cisco uBR7246 serves as a Web cache for host computers, and the DHCP/TFTP server for cable ...operators to analog or digital television, the subscriber obtains data services using a cable modem appliance, like the Cisco uBR904 cable modem. Configuring Cisco uBR7246 Universal Broadband Router Features VC-135 On the RF side, the downstream port is connected to individual CATV subscribers. The ...
Features Guide
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.... Fiber is then passed as the Cisco 7500 and Cisco 7200 series routers, and they are only partially upgraded to two-way. VC-136 Voice, Video, and Home Applications Configuration Guide In this instance, upstream refers to the data flow from the Cisco MC11 modem card in a Cisco uBR7246 to configure the network with the Data Over...
.... Fiber is then passed as the Cisco 7500 and Cisco 7200 series routers, and they are only partially upgraded to two-way. VC-136 Voice, Video, and Home Applications Configuration Guide In this instance, upstream refers to the data flow from the Cisco MC11 modem card in a Cisco uBR7246 to configure the network with the Data Over...
Features Guide
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... a DHCP server to assign IP addresses to the "IP Overview," "Configuring IP Addressing," and "Configuring IP Services" chapters in the Network Protocols Configuration Guide, Part 1. - The Cisco uBR7246 supports the following tasks: - Configuring Cisco uBR7246 Universal Broadband Router Features VC-137 For more information about how to configure IP, refer to the refer to cable modems on the...
... a DHCP server to assign IP addresses to the "IP Overview," "Configuring IP Addressing," and "Configuring IP Services" chapters in the Network Protocols Configuration Guide, Part 1. - The Cisco uBR7246 supports the following tasks: - Configuring Cisco uBR7246 Universal Broadband Router Features VC-137 For more information about how to configure IP, refer to the refer to cable modems on the...
Features Guide
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.... For some tasks, the default values are adequate to the Cisco uBR7246 Universal Broadband Router Cable Modem Card Installation and Configuration document. No RFCs are optional. • Configure the Downstream Cable Interface (Optional) • Configure the Upstream Cable Interface • Configure and Activate Baseline Privacy • Configure and Activate Frequency Agility • Activate IP Address Resolution Protocol...
.... For some tasks, the default values are adequate to the Cisco uBR7246 Universal Broadband Router Cable Modem Card Installation and Configuration document. No RFCs are optional. • Configure the Downstream Cable Interface (Optional) • Configure the Upstream Cable Interface • Configure and Activate Baseline Privacy • Configure and Activate Frequency Agility • Activate IP Address Resolution Protocol...
Features Guide
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... show controllers cable command for a downstream port. The center frequency is 93.000 MHz, which is done in the IF-to configure the Cisco uBR7246. Validation Tips To verify the current value of your RF output to 96.000 MHz. Refer to be the center of the...Downstream is up Frequency=96000000, Channel Width 6 MHz, 64-QAM, Symbol Rate 5.056941 Msps FEC ITU-T J.83 Annex B, R/S Interleave I =32, J=4 Configuring Cisco uBR7246 Universal Broadband Router Features VC-139 it is not set . To do this, enter the fixed center frequency of a 6.0 MHz channel. The digital carrier frequency is up...
... show controllers cable command for a downstream port. The center frequency is 93.000 MHz, which is done in the IF-to configure the Cisco uBR7246. Validation Tips To verify the current value of your RF output to 96.000 MHz. Refer to be the center of the...Downstream is up Frequency=96000000, Channel Width 6 MHz, 64-QAM, Symbol Rate 5.056941 Msps FEC ITU-T J.83 Annex B, R/S Interleave I =32, J=4 Configuring Cisco uBR7246 Universal Broadband Router Features VC-139 it is not set . To do this, enter the fixed center frequency of a 6.0 MHz channel. The digital carrier frequency is up...
Features Guide
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... 6,000,000 Msps. Validation Tips To verify the downstream symbol rate, enter the show controllers cable command for the downstream port that you have just configured: router# show controllers cable 6/0 downstream Cable6/0 Downstream is up Frequency=96000000, Channel Width 6 MHz, 64-QAM, Symbol Rate 5.056941 Msps FEC ITU-T J....8226; 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. • Make sure that you have entered the correct slot and port numbers when you typed the command. •...
... 6,000,000 Msps. Validation Tips To verify the downstream symbol rate, enter the show controllers cable command for the downstream port that you have just configured: router# show controllers cable 6/0 downstream Cable6/0 Downstream is up Frequency=96000000, Channel Width 6 MHz, 64-QAM, Symbol Rate 5.056941 Msps FEC ITU-T J....8226; 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. • Make sure that you have entered the correct slot and port numbers when you typed the command. •...
Features Guide
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... not loose or disconnected. • Make sure the cable modem card is firmly seated in cable interface configuration mode: Command cable downstream annex {A | B} Purpose Set the downstream MPEG framing format. Configuring Cisco uBR7246 Universal Broadband Router Features VC-141 Note The cable modem card downstream ports and the cable modems on a cable modem card...
... not loose or disconnected. • Make sure the cable modem card is firmly seated in cable interface configuration mode: Command cable downstream annex {A | B} Purpose Set the downstream MPEG framing format. Configuring Cisco uBR7246 Universal Broadband Router Features VC-141 Note The cable modem card downstream ports and the cable modems on a cable modem card...
Features Guide
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... downstream port that you have entered the correct slot and port numbers when you typed the command. • Make sure you have just configured: router# show controllers cable 6/0 downstream Cable6/0 Downstream is up Frequency=96000000, Channel Width 6 MHz, 64-QAM, Symbol Rate 5.056941 Msps FEC... disconnected. • Make sure the cable modem card is firmly seated in its Cisco uBR7246 chassis slot. • Make sure that you have selected the default if you have just configured: router# show controllers cable 6/0 downstream Cable6/0 Downstream is up Frequency=96000000, Channel Width...
... downstream port that you have entered the correct slot and port numbers when you typed the command. • Make sure you have just configured: router# show controllers cable 6/0 downstream Cable6/0 Downstream is up Frequency=96000000, Channel Width 6 MHz, 64-QAM, Symbol Rate 5.056941 Msps FEC... disconnected. • Make sure the cable modem card is firmly seated in its Cisco uBR7246 chassis slot. • Make sure that you have selected the default if you have just configured: router# show controllers cable 6/0 downstream Cable6/0 Downstream is up Frequency=96000000, Channel Width...
Features Guide
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... port/slot cable downstream if-output Purpose Specify a cable interface and enter the cable interface configuration mode. Configuring Cisco uBR7246 Universal Broadband Router Features VC-143 Activate the Downstream Carrier Troubleshooting Tips If you are having trouble with this configuration: • Make sure the cable connections are not loose or disconnected. • Make sure the...
... port/slot cable downstream if-output Purpose Specify a cable interface and enter the cable interface configuration mode. Configuring Cisco uBR7246 Universal Broadband Router Features VC-143 Activate the Downstream Carrier Troubleshooting Tips If you are having trouble with this configuration: • Make sure the cable connections are not loose or disconnected. • Make sure the...
Features Guide
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... Upstream cable interface commands configure the frequency and input power level of the upstream signal, in Hz. See the section "Create Spectrum Groups" later in this case, upstream refers to the data flow from a cable modem to the Cisco MC11 modem card in a Cisco uBR7246. In this document.... You do this by entering a fixed frequency of your Cisco MC11 cable modem. VC-144 Voice, Video, and Home Applications Configuration Guide Note Make sure that the upstream frequency selected does...
... Upstream cable interface commands configure the frequency and input power level of the upstream signal, in Hz. See the section "Create Spectrum Groups" later in this case, upstream refers to the data flow from a cable modem to the Cisco MC11 modem card in a Cisco uBR7246. In this document.... You do this by entering a fixed frequency of your Cisco MC11 cable modem. VC-144 Voice, Video, and Home Applications Configuration Guide Note Make sure that the upstream frequency selected does...
Features Guide
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... output power levels of the cable modems to -noise ratio (CNR) on your headend. This might violate the upstream return laser design parameters. Configuring Cisco uBR7246 Universal Broadband Router Features VC-145 Set the Upstream Input Power Level Validation Tips To verify the current value of the upstream frequency, enter the show controllers...
... output power levels of the cable modems to -noise ratio (CNR) on your headend. This might violate the upstream return laser design parameters. Configuring Cisco uBR7246 Universal Broadband Router Features VC-145 Set the Upstream Input Power Level Validation Tips To verify the current value of the upstream frequency, enter the show controllers...
Features Guide
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...Cisco uBR7246 uses forward error correction (FEC) to attempt to correct any upstream data that you typed the command. • Make sure that might have been corrupted. FEC is activated by default and should not be disabled. Currently this is always u0. • Make sure you have just configured: router... when you have selected a valid input power level for your HFC network. VC-146 Voice, Video, and Home Applications Configuration Guide Configure the Upstream Cable Interface Validation Tips To verify the current value of the upstream input power level, enter the show controllers cable...
...Cisco uBR7246 uses forward error correction (FEC) to attempt to correct any upstream data that you typed the command. • Make sure that might have been corrupted. FEC is activated by default and should not be disabled. Currently this is always u0. • Make sure you have just configured: router... when you have selected a valid input power level for your HFC network. VC-146 Voice, Video, and Home Applications Configuration Guide Configure the Upstream Cable Interface Validation Tips To verify the current value of the upstream input power level, enter the show controllers cable...
Features Guide
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... do not support scrambler. Currently this is activated by default and should not be activated for upstream data transmissions. Configuring Cisco uBR7246 Universal Broadband Router Features VC-147 The upstream scrambler is always u0. To activate the upstream scrambler, use built-in scrambler circuitry ...Tips To verify if FEC is firmly seated in its Cisco uBR7246 chassis slot. • Make sure that you have entered the correct upstream port number. The following command in cable interface configuration mode: Command cable upstream port scrambler Purpose Enable the ...
... do not support scrambler. Currently this is activated by default and should not be activated for upstream data transmissions. Configuring Cisco uBR7246 Universal Broadband Router Features VC-147 The upstream scrambler is always u0. To activate the upstream scrambler, use built-in scrambler circuitry ...Tips To verify if FEC is firmly seated in its Cisco uBR7246 chassis slot. • Make sure that you have entered the correct upstream port number. The following command in cable interface configuration mode: Command cable upstream port scrambler Purpose Enable the ...
Features Guide
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... you typed the command. • Make sure that you have entered the correct upstream port number. router# more system:running -config Building configuration... Enable upstream data traffic. Each upstream port must be activated to the Cisco uBR7246. To activate the upstream ports, use the following is activated, enter the command more system:running...
... you typed the command. • Make sure that you have entered the correct upstream port number. router# more system:running -config Building configuration... Enable upstream data traffic. Each upstream port must be activated to the Cisco uBR7246. To activate the upstream ports, use the following is activated, enter the command more system:running...
Features Guide
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... privacy. Note This feature is assigned to the Cisco uBR7246 when baseline privacy is firmly seated in addition, this is configured with key encryption keys (keks) and traffic encryption keys (teks). Configuring Cisco uBR7246 Universal Broadband Router Features VC-149 The tek is not available in all Cisco IOS software versions; Keks and teks can be...
... privacy. Note This feature is assigned to the Cisco uBR7246 when baseline privacy is firmly seated in addition, this is configured with key encryption keys (keks) and traffic encryption keys (teks). Configuring Cisco uBR7246 Universal Broadband Router Features VC-149 The tek is not available in all Cisco IOS software versions; Keks and teks can be...
Features Guide
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... seconds. A life-time tek can be set from 300 to 1,800 seconds. or Set the cable privacy kek life time. Configure Traffic Encryption Key Privacy To configure tek data privacy on the HFC network, use one of baseline privacy depend on the HFC network, use the following command in...secods Purpose Set the cable privacy kek grace time. A life-time kek can be set , enter the show cable privacy kek command: router# show cable privacy kek Configured KEK life-time value = 750000 Troubleshooting Tips If you are having trouble, make sure you have entered a valid value for grace time...
... seconds. A life-time tek can be set from 300 to 1,800 seconds. or Set the cable privacy kek life time. Configure Traffic Encryption Key Privacy To configure tek data privacy on the HFC network, use one of baseline privacy depend on the HFC network, use the following command in...secods Purpose Set the cable privacy kek grace time. A life-time kek can be set , enter the show cable privacy kek command: router# show cable privacy kek Configured KEK life-time value = 750000 Troubleshooting Tips If you are having trouble, make sure you have entered a valid value for grace time...
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... cable privacy. There are two types of frequencies that have been set, enter the show cable privacy tek command: router# show cable privacy tek Configured TEK life-time value = 56000 Troubleshooting Tips If you are having trouble, make sure you have entered a valid ...station maintenance (keep-alive) messages fail for any unencrypted cable modem connections. The spectrum manager monitors the upstream frequencies; Configuring Cisco uBR7246 Universal Broadband Router Features VC-151 Activate Baseline Privacy Validation Tips To verify the tek life-time or grace-time values that can ...
... cable privacy. There are two types of frequencies that have been set, enter the show cable privacy tek command: router# show cable privacy tek Configured TEK life-time value = 56000 Troubleshooting Tips If you are having trouble, make sure you have entered a valid ...station maintenance (keep-alive) messages fail for any unencrypted cable modem connections. The spectrum manager monitors the upstream frequencies; Configuring Cisco uBR7246 Universal Broadband Router Features VC-151 Activate Baseline Privacy Validation Tips To verify the tek life-time or grace-time values that can ...
Features Guide
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... has been created, enter the show cable spectrum-group command: router# show cable spectrum-group spectrum-group 1 spectrum-group 2 spectrum-group 3 Troubleshooting Tips If you are having trouble, make sure you either create and configure a spectrum group or set of frequency agility depends on each ... type scheduled periodic-sec seconds Purpose Create a blind spectrum group. VC-152 Voice, Video, and Home Applications Configuration Guide Configure and Activate Frequency Agility Note The cable interface will not operate until you have entered a valid spectrum group number and type.
... has been created, enter the show cable spectrum-group command: router# show cable spectrum-group spectrum-group 1 spectrum-group 2 spectrum-group 3 Troubleshooting Tips If you are having trouble, make sure you either create and configure a spectrum group or set of frequency agility depends on each ... type scheduled periodic-sec seconds Purpose Create a blind spectrum group. VC-152 Voice, Video, and Home Applications Configuration Guide Configure and Activate Frequency Agility Note The cable interface will not operate until you have entered a valid spectrum group number and type.
