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Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0

OL-10705-02

Chapter 2 Cisco Cable Wideband Components

Wideband Cable Modems

Separate Linksys WCM300 software images are used for DOCSIS and EuroDOCSIS channel widths.
Downstreams in the wideband channel and associated traditional DOCSIS downstreams support
64-QAM and 256-QAM modulation.

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Содержание WCM300 - Channel Bonded Cable Modem

Страница 1: ...e San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Cisco Cable Wideband Solution Design and Implementation Guide Release 1 0 August 2007 Cisco IOS Releases 12 3 21 BC and 12 3 21a BC3 Text Part Number OL 10705 02 ...

Страница 2: ...PLIERS BE LIABLE FOR ANY INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Cisco Cable Wideband Solution Design and Implementation Guide Release 1 0 2007 Cisco Systems Inc All rights reserve...

Страница 3: ...es 1 3 Solution Components 1 3 Cisco Linksys and Scientific Atlanta Equipment 1 4 Third Party Equipment 1 4 C H A P T E R 2 Cisco Cable Wideband Components 2 1 Base CMTS Components 2 1 Base CMTS Component Requirements 2 4 Cable Interface Line Cards and Network Uplink Line Cards 2 5 Wideband CMTS Components 2 8 Wideband SIP and Wideband SPA 2 8 Cisco Wideband SIP 2 9 Cisco Wideband SPA 2 9 External...

Страница 4: ...Configuration for Fiber Nodes 3 3 Virtual Interface Bundling for Primary Downstream Channels and Wideband Channels 3 3 Modular CMTS 3 4 Benefits of M CMTS Architecture 3 5 Cost Effective Architecture 3 5 Multiservice Architecture 3 6 M CMTS Interactions with Wideband Cable Modems 3 6 MAC Domains 3 6 Addressing 3 7 Security 3 7 Quality of Service 3 8 Gigabit Ethernet Switch Functionality 3 8 Edge Q...

Страница 5: ... Monitoring Wideband Channels 5 6 show interface wideband cable 5 6 show hw module bay 5 7 Monitoring RF Channels 5 10 show hw module bay 5 10 Monitoring Wideband Cable Modems 5 10 show cable modem wideband 5 11 show cable modem summary 5 11 Troubleshooting Wideband Components 5 13 Troubleshooting Wideband SIPs and Wideband SPAs 5 13 Performing Basic Troubleshooting on a Wideband SIP and Wideband ...

Страница 6: ...Contents vi Cisco Cable Wideband Solution Design and Implementation Guide Release 1 0 OL 10705 02 Verifying Other Information for Wideband Cable Modems 5 21 I N D E X ...

Страница 7: ...ibes the Cisco Cable Wideband Solution Release 1 0 It explains how to design and implement a cable network with that uses the DOCSIS 3 0 Downstream Channel Bonding feature Note This document describes release specific functionality for Cisco IOS Releases 12 3 21 BC and 12 3 21a BC3 Document Revision History Table 1 records technical changes to this document The table shows Cisco IOS software relea...

Страница 8: ...opic Document Title Documentation Roadmap Cisco uBR7200 Series Routers and Cisco uBR10012 Universal Broadband Router Documentation Roadmap http www cisco com en US partner products hw cable ps2209 products_documentatio n_roadmap09186a0080733a04 html Cisco uBR10012 Hardware Installation Cisco uBR10012 Universal Broadband Router SIP and SPA Hardware Installation Guide http www cisco com univercd cc ...

Страница 9: ...tsfg index htm Cisco IOS Command Reference and Related Information For Cisco Wideband SIP and SPA commands see Chapter 11 SIP and SPA Commands in the Cisco uBR10012 Universal Broadband Router SIP and SPA Software Configuration Guide Cisco Broadband Cable Command Reference Guide http www cisco com univercd cc td doc product cable bbccmref index htm Cisco IOS Release 12 3 Web Page http www cisco com...

Страница 10: ...s are in italics Elements in square brackets are optional x y z Alternative mutually exclusive keywords are grouped in braces and separated by vertical bars x y z Optional alternative keywords are grouped in brackets and separated by vertical bars string A nonquoted set of characters Do not use quotation marks around the string or the string will include the quotation marks screen font Terminal se...

Страница 11: ...upport and Cisco Security Guidelines For information on obtaining documentation providing documentation feedback obtaining technical assistance and Cisco product security guidelines see the monthly What s New in Cisco Product Documentation at http www cisco com en US docs general whatsnew whatsnew html What s New in Cisco Product Documentation also lists all new and revised Cisco technical documen...

Страница 12: ...xii Cisco Cable Wideband Solution Design and Implementation Guide Release 1 0 OL 10705 02 Preface Obtaining Documentation Obtaining Support and Cisco Security Guidelines ...

Страница 13: ...nnels The solution provides wideband data services over existing hybrid fiber coax HFC networks With wideband data services multiple RF channels are aggregated into a single logical wideband channel bonding group that delivers higher bandwidth to the wideband cable modem than was previously possible with DOCSIS 2 0 technology This aggregation of RF channels is referred to as channel bonding The ma...

Страница 14: ...e or more downstream wideband channels with RF channel bonding Wideband CMTS Cisco uBR10012 router including cable interface and network uplink line cards Cisco Wideband SIP and Cisco Wideband SPA Edge QAM device Wideband cable modem Wideband related cable modem configuration file parameters Cisco IOS command set for wideband channel configuration provisioning and maintenance Cisco IOS command set...

Страница 15: ...er CMTS supports up to two Wideband SPAs in a Wideband SIP jacket card Each Cisco Wideband SPA can support up to 24 downstream RF channels Each Cisco Wideband SPA can support up 12 logical wideband channels bonding groups Cisco Wideband CMTS and line cards have built in redundancy and resiliency features Scientific Atlanta and third party edge QAM devices are tested for interoperability Linksys WC...

Страница 16: ...r SPA referred to in this document as the Cisco Wideband SPA or Wideband SPA Cisco uBR10 MC5X20S U H and uBR10 MC5X20U D cable interface line cards Edge QAM device Scientific Atlanta Continuum DVP XDQA24 EQAM device Wideband cable modem Linksys WCM300 NA WCM300 EURO and WCM300 JP wideband cable modems Scientific Atlanta DPC2505 and EPC2505 wideband cable modems Third Party Equipment For the Cisco ...

Страница 17: ...ed any wideband components Wideband cable components can be added to the Cisco uBR10012 base system so that it can be used as a wideband CMTS As demand for wideband cable grows this ability to increase capacity by adding wideband components to an existing uBR10012 base system is less expensive than adding additional chassis This Cisco Cable Wideband Solution add on strategy reduces both capital ex...

Страница 18: ...uting Engine 2 PRE2 processor modules 2 LCD module 4 Two DC Power Entry Modules DC PEMs ALARMS CISCO 10000 FA IL PERFORMANCE ROUTING ENGINE C O N S O LE S TATU S A C O C R IT IC A L M IN O R M A JO R E TH E R N E T LIN K A C TIV IT Y AU X SL OT 0 SL OT 1 ALARMS CISCO 10000 FA IL PERFORMANCE ROUTING ENGINE C O N S O LE S TATU S A C O C R IT IC A L M IN O R M A JO R E TH E R N E T LIN K A C TIV IT Y...

Страница 19: ...0S D PO W ER ST AT US M AI NT US0 US1 US2 US3 US4 US5 US6 US7 US8 US9 US10 US11 US12 US13 US14 US15 US16 US17 US18 US19 DS0 DS1 DS2 DS3 DS4 RF RF RF RF RF uBR10 MC5x20S D PO W ER ST AT US M AI NT US0 US1 US2 US3 US4 US5 US6 US7 US8 US9 US10 US11 US12 US13 US14 US15 US16 US17 US18 US19 DS0 DS1 DS2 DS3 DS4 RF RF RF RF RF uBR10 MC5x20S D PO W ER ST AT US M AI NT US0 US1 US2 US3 US4 US5 US6 US7 US8 US...

Страница 20: ...and number of subscribers being supported Table 2 1 Cisco uBR10012 Base System Minimum and Recommended Hardware Component Minimum Recommended Performance Routing Engine 2 PRE2 Part number ESR PRE2 R 1 2 Timing Communication and Control Plus card TCC Part number UBR10 TCC T1 1 2 DC Power Entry Modules DC PEMs Part number UBR10 PWR DC Primary UBR10 PWR DC R Redundant OR AC Power Entry Modules AC PEM...

Страница 21: ...20S U H and uBR10 MC5X20U D Cable Interface Line Cards The Cisco uBR10 MC5X20S U H and uBR10 MC5X20U D cable interface line cards transmit and receive RF signals between the subscriber and the headend over hybrid fiber coax HFC network Figure 2 3 shows the faceplate for these line cards Figure 2 3 Cisco uBR10 MC5X20S U H or uBR10 MC5X20U D Cable Interface Line Card Faceplate The Cisco uBR MC5X20S ...

Страница 22: ...Hz range Each downstream port includes an onboard integrated upconverter The Cisco uBR10 MC5X20S cable interface line card supports Annex B radio frequency RF data rates channel widths and modulation schemes and has DOCSIS MAC management and spectrum management capabilities DOCSIS 2 0 Asynchronous Time Division Multiple Access A TDMA rates are also supported Cisco uBR10 MC5X20U and H The Cisco uBR...

Страница 23: ...012 router supports up to four HHGE line cards to allow connectivity to multiple destinations and to provide network layer redundancy The HHGE line card requires a slot splitter card that should be installed in either slot 4 0 or slot 3 0 on the uBR10012 router Each slot splitter can hold two HHGE line cards Therefore the uBR10012 base system with two slot splitters supports up to four HHGE lines ...

Страница 24: ...ifted single mode fiber The precise link span length depends on multiple factors such as fiber quality number of splices and connectors The HHGE line card supports online insertion and removal OIR and can be added or removed without powering off the chassis For more information on the HHGE line card refer to the Cisco uBR10012 Universal Broadband Router Hardware Installation Guide Wideband CMTS Co...

Страница 25: ...ideband SIP and the individual Wideband SPAs For more information on the Wideband SIP see the Cisco uBR10012 Universal Broadband Router SIP and SPA Hardware Installation Guide and the Cisco uBR10012 Universal Broadband Router SIP and SPA Software Configuration Guide Cisco Wideband SPA The Wideband SPA Figure 2 7 is a single wide half height shared port adapter SPA that provides Wideband Protocol f...

Страница 26: ...ice through a fiber optic network Figure 2 8 SFP Module Fiber Optic LC Connector Table 2 4 lists the SFP modules that the Wideband SPA supports For more information on the Wideband SPA see the Cisco uBR10012 Universal Broadband Router SIP and SPA Hardware Installation Guide and the Cisco uBR10012 Universal Broadband Router SIP and SPA Software Configuration Guide 130927 G L C S X M M C l a s s 1 2...

Страница 27: ...ing output QAM channel on an EQAM device The number of EQAM devices required is determined by two factors The number of logical RF channels in use on the Wideband SPAs in the CMTS Each Wideband SPA supports up to 24 logical RF channels depending on how it is configured For annex A and 256 QAM each Wideband SPA supports 18 RF channels For all other cases each Wideband SPA supports 24 RF channels Th...

Страница 28: ...formation and part numbers for the Continuum DVP XDQA24 are available at http www scientificatlanta com customers source 7005301 pdf Harmonic NSG 9116 The Harmonic Narrowcast Services Gateway NSG 9116 is one of the edge QAM devices that has been tested for interoperability with other solution components The NSG 9116 has two redundant Gigabit Ethernet input interfaces that use small form factor SFP...

Страница 29: ...edundant Gigabit Ethernet input interfaces that use small form factor SFP modules for fiber optic and copper links The VistaLynx VL1000 QAM channels can be increased in increments of four to a maximum of 24 QAM channels The chassis accepts a minimum of two QAM cards and a maximum of six for a total of 24 QAM channels Each hot swappable QAM card contains two RF ports capable of generating two QAM c...

Страница 30: ...e Linksys WCM300 wideband cable modem supports the reception of one or more bonded RF channels The Linksys WCM300 software supports the receiving of a 50 MHz capture window of up to eight downstream channels at 6 MHz per channel or six downstream channels at 8 MHz per channel The total of the RF channels in the primary and secondary bonded channels must comply with the 50 MHz capture window limita...

Страница 31: ... 10705 02 Chapter 2 Cisco Cable Wideband Components Wideband Cable Modems Separate Linksys WCM300 software images are used for DOCSIS and EuroDOCSIS channel widths Downstreams in the wideband channel and associated traditional DOCSIS downstreams support 64 QAM and 256 QAM modulation ...

Страница 32: ... DOCSIS channel from the uBR10 MC5X20 line card for MAC management and signaling messages and uses the associated traditional DOCSIS upstream channel for return data traffic and signaling The upstream channel works as it does in DOCSIS 2 0 cable modems Unicast data can be received on any downstream channel DOCSIS 2 0 multicast data can be received only on the primary downstream channel The Scienti...

Страница 33: ...e Wideband Components Wideband Cable Modems The Scientific Atlanta DPC2505 is DOCSIS 2 0 certified and the EPC2505 is Euro DOCSIS 2 0 certified More detailed information and part numbers for the DPC2505 and EPC2505 wideband cable modems are available at http www scientificatlanta com customers source 7008362 pdf ...

Страница 34: ... hardware redundancy Table 2 6 Cisco uBR 10012 Base System Redundancy and Resiliency Modular CMTS Component Redundancy and Resiliency Summary PRE2 route processors Two PRE2 modules The Route Processor Redundancy Plus feature and DOCSIS Stateful Switchover provide the PRE2 modules with fast route processor failover without DOCSIS line card reboot Redundant power supplies Two DC or AC power entry mo...

Страница 35: ... require a full reboot of the system to perform a failover When the system is originally initialized the secondary PRE2 module performs an abbreviated initialization routine the module performs all self checks and loads the Cisco IOS software but instead of performing normal systems operations it begins monitoring the primary PRE2 module If the secondary PRE2 module detects a failure in the primar...

Страница 36: ...able modems that are connected in wideband mode using the failed cable interface line card will lose connectivity Manual intervention for example use of the clear cable modem wideband reset command may be required to bring wideband cable modems w online again For more information on N 1 redundancy for uBR1012 line cards see the Cisco Cable Modem Termination System Feature Guide Wideband SPA Redund...

Страница 37: ...nel and comes online If no other wideband channel is available the wideband cable modem comes online in traditional DOCSIS 2 0 mode Edge QAM Redundancy Depending on the edge QAM device that is used the edge QAM device can have varying degrees of redundancy For information on a specific edge QAM device see the vendor s documentation for that device Where to Find Information on Solution Hardware Com...

Страница 38: ...ace Line Card with Universal Cable Holder UCH1 Cabling the Cisco uBR10 MC5X20S U H Cable Interface Line Card with Universal Cable Holder UCH2 Half Height Gigabit Ethernet HHGE network uplink line card Cisco uBR10012 Universal Broadband Router Hardware Installation Guide full installation guide Cisco uBR10012 Universal Broadband Router Gigabit Ethernet Half Height Line Card Installation Wideband SP...

Страница 39: ...feature affects the CMTS and the cable modem as well as the provisioning and network management systems The core of the DOCSIS 3 0 Downstream Channel Bonding feature is the sending of DOCSIS packets for a given service flow across multiple RF channels The transmit framer in the Cisco Wideband SPA stripes the DOCSIS packets for a given flow and transmits them across the multiple RF channels of the ...

Страница 40: ...nel can combine up to two RF channels for a total bandwidth of up to approximately 74 Mbps at 6 MHz and 256 QAM A traditional DOCSIS 2 0 downstream channel is associated with the wideband channel and carries MAC management and signaling messages The traditional DOCSIS 2 0 downstream channel does not carry any bonded traffic The traditional DOCSIS downstream channel used in this way is called the p...

Страница 41: ...be associated with more than one primary downstream channel though only one primary downstream channel is used at any given point in time On the uBR10 MC5X20 cable interface card each primary downstream channel has an upstream port that is statically associated with the downstream port For information on configuring fiber nodes see the Cisco uBR10012 Universal Broadband Router SIP and SPA Software...

Страница 42: ...cification for the M CMTS architecture defines changes to the edge QAM device that require it to be both DOCSIS aware and synchronized to the DOCSIS subsystem The Cisco Cable Wideband Solution Release 1 0 implementation of the M CMTS architecture does not place these requirements on the edge QAM device For a single wideband channel Figure 3 3 shows the M CMTS architecture as it is used in the Cisc...

Страница 43: ...hese sections Cost Effective Architecture page 3 5 Multiservice Architecture page 3 6 Cost Effective Architecture The Cisco Cable Wideband Solution Release 1 0 can use the MSO s existing network Deployed uBR10012 routers that are used as a DOCSIS 1 x 2 0 CMTS s can be upgraded to a modular CMTS s that support wideband cable by adding on hardware the Cisco Wideband SIP and SPA and upgrading softwar...

Страница 44: ...s on wideband channels is the ultimate goal for DOCSIS 3 0 services Figure 3 4 M CMTS Multiservice Architecture Note In the Cisco Cable Wideband Solution Release 1 0 the uBR1012 router currently supports a data only service on wideband channels A Cisco Cable Wideband Solution Release 1 0 system does not currently support video or voice on wideband channels M CMTS Interactions with Wideband Cable M...

Страница 45: ...am channels is not supported Multicast service flows that the modem sees on the bonded downstream channel are discarded In the upstream direction the behavior and handling of traffic by the CMTS is identical to the DOCSIS 2 0 behavior and handling Addressing All addressing is done with Ethernet and IP addresses The wideband cable modem uses the same IP address space as a standard cable modem so it...

Страница 46: ...l for a wideband channel is configured using Cisco IOS commands on the uBR10012 router the rf channel command s mac address argument specifies the MAC address for the next hop interface on the switch if it is a Layer 2 GE switch The rf channel command s ip address argument specifies the IP address of the Gigabit Ethernet interface on the edge QAM device The MAC address on the switch and the IP add...

Страница 47: ...band cable modem The explanations in this section are generic and apply to all wideband cable modems supported by the Cisco Cable Wideband Solution Release 1 0 Wideband cable modem functionality may vary depending on the wideband cable modem For implementation information on specific wideband cable modems see the Wideband Cable Modem Behavior section on page 4 6 Wideband Cable Modem Design and Ope...

Страница 48: ...s a traditional DOCSIS channel uses The channel just has more bandwidth A new extended header for wideband has been added to the DOCSIS protocol The extended header defines the logical wideband channel and a sequence number that the wideband cable modem uses for re sequencing the wideband packets The CISCO CABLE WIDEBAND MODEM MIB for the wideband cable modem is supported and is an extension to th...

Страница 49: ...ed for the Cisco Cable Wideband Solution Release 1 0 Configuring Base CMTS Components The base CMTS is the Cisco uBR10012 router with the components needed for DOCSIS 1 x 2 0 operation Wideband cable components can be added to the Cisco uBR10012 base system so that it can be used as a wideband CMTS For wideband cable operation the configuration tasks for the base CMTS components are similar to the...

Страница 50: ...MTS wideband capable This section provides overview information on configuring the wideband CMTS components Configuring the Wideband SIP and Wideband SPA page 4 3 Configuring the Edge QAM Device Configuration page 4 3 Configuring the Gigabit Ethernet Switch page 4 5 Table 4 1 Base CMTS Components Configuration Where to Find Information Solution Component Where to Find Information Cisco uBR10012 ro...

Страница 51: ...cations in that document for information on configuring this EQAM device for wideband For information on configuring other EQAM devices refer to the device s documentation Regardless of the edge QAM device or implementation these items are used for Wideband SPA configuration and must be configured on each EQAM device For the edge QAM device IP address of the EQAM device s Gigabit Ethernet interfac...

Страница 52: ...ementing and Configuring the Solution Wideband CMTS Configuration Table 4 2 RF Channel and EQAM Configuration Worksheet EQAM Device QAM Output Wideband SPA RF Channel GE Input IP Address GE Input MAC Address QAM Output Frequency UDP Port Number 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ...

Страница 53: ...it Ethernet switch is device specific and implementation specific but it is recommended that virtual LANs VLANs be used to create separate broadcast domains for the traffic of each Wideband SPA Figure 4 1 shows an example of VLAN usage Wideband SPA 1 uses the QAM outputs on EQAM A and EQAM B Wideband SPA 2 uses the QAM outputs on EQAM C and EQAM D VLAN 1 carries traffic for Wideband SPA 1 VLAN 2 c...

Страница 54: ... for the CMTS to assign to the cable modem Secondary bonded channels are the wideband channels on which the wideband cable modem receives additional multicast data streams The DOCSIS configuration file defines the secondary bonded channels for the modem to pass to the CMTS Secondary bonded channels are intended to receive multicast traffic such as broadcast video that is not available on the prima...

Страница 55: ...e modem can use a single primary bonded channel for unicast and multicast traffic When the primary bonding group ID value is present the CMTS assigns the wideband cable modem to the wideband channel interface identified by the configured bonding group ID If the CMTS is unable to assign the wideband cable modem to the wideband channel interface specified by the configured bonding group ID the CMTS ...

Страница 56: ...ically specified as a secondary bonded channel in the CMTS active running configuration file The cable bonding group id command specifies whether a bonding group is a primary or secondary bonding group For information on this command see the Cisco uBR10012 Universal Broadband Router SIP and SPA Software Configuration Guide Scientific Atlanta DPC2505 and EPC2505 Modems The Scientific Atlanta DPC250...

Страница 57: ... In the case of wideband channels overlapping on some sets of QAMs if the DPC2505 modem rejects the registration with confirmation code of reject bad rcc 208 something is wrong either an incorrect plant topology configuration or a bad tuner in the cable modem The CMTS records this occurrence When the same cable modem tries to register again the CMTS chooses different wideband channels preferably r...

Страница 58: ...same fiber node and the wideband cable modem comes online with one of the wideband channels the CMTS has the choice of assigning it to a different wideband channel In this case a simple random load balancing algorithm distributes the cable modems on the fiber node across the multiple wideband channels If the CMTS has a choice between a wideband channel consisting of one RF channel and another chan...

Страница 59: ...onfiguring the Solution Known Restrictions Traffic from different Wideband SPAs cannot be mixed on the same QAM port Scientific Atlanta DPC2505 and EPC2505 wideband cable modems support multicast traffic on the primary downstream channel only These modems do not support multicast traffic on wideband downstream channels ...

Страница 60: ...4 12 Cisco Cable Wideband Solution Design and Implementation Guide Release 1 0 OL 10705 02 Chapter 4 Implementing and Configuring the Solution Known Restrictions ...

Страница 61: ...eband SPAs page 5 3 Monitoring Wideband Channels page 5 6 Monitoring RF Channels page 5 10 Monitoring Wideband Cable Modems page 5 10 For detailed information on the syntax usage and additional examples for each command see the documents shown in Table 5 1 Note Many of the commands used to configure the Cisco uBR10012 router and the Cisco Wideband SIP and SPA are not currently part of the command ...

Страница 62: ...ard Router show diag 1 0 Slot Subslot 1 0 2jacket 1 card 0 ports Card is full slot size Card is analyzed Card detected 16 46 44 ago Card uptime 0 days 16 hours 46 minutes 36 seconds Card idle time 0 days 14 hours 22 minutes 34 seconds Voltage status 3 3V Nominal 2 5V Nominal 1 5V Nominal 12V Nominal EEPROM contents slot 1 0 Hardware Revision 1 0 Top Assy Part Number 800 22843 04 Board Revision 01 ...

Страница 63: ...the Wideband SPA has been administratively disabled Router show hw module bay 1 0 0 oir Module Model Operational Status bay 1 0 0 SPA 24XDS SFP admin down show diag To display hardware and diagnostic information for a Wideband SPA use the show diag command Router show diag 1 0 0 Slot Subslot Port 1 0 0 24rfchannel spa 1 card 1 port 1 redundant port Card is half slot size Card is analyzed Card dete...

Страница 64: ...s sample show controller modular cable output for the Wideband SPA located in slot 1 subslot 0 bay 0 of a Cisco uBR10012 router In the output the Gigabit Ethernet Port Selected field indicates that Port 0 is the active Gigabit Ethernet port on the Wideband SPA Router show controller modular cable 1 0 0 brief SPA 0 is present status LED green Host 12V is enabled and is okay Power has been enabled t...

Страница 65: ...pt Register Interrupt Bit Total Count Masked 69 blz_sp_int_stat_reg_0 spi_train_vld 24 YES 84 spa_brd_int_stat_reg sp_int_0 24 NO 85 spa_brd_int_stat_reg scc_int 2 NO 86 spa_brd_int_stat_reg phy1_int 1 NO 87 spa_brd_int_stat_reg phy0_int 1 NO 92 spa_brd_int_stat_reg temp1_int 2 NO 93 spa_brd_int_stat_reg temp0_int 2 NO 97 bm_int_stat_reg bm_spa_brd 26 NO To display information about the SFP module...

Страница 66: ...C 45 4E 0x20 54 20 20 20 00 00 30 D3 51 46 42 52 2D 35 37 36 0x30 36 4C 50 20 20 20 20 20 20 20 20 20 03 52 00 B5 0x40 00 1A 00 00 41 47 53 30 39 30 38 35 35 43 45 20 0x50 20 20 20 20 30 35 30 32 32 33 20 20 00 00 00 C4 0x60 00 00 06 C9 F0 FA 7C 01 B3 C8 41 6B 39 04 FC 85 0x70 BB 20 9E 00 00 00 00 00 00 00 00 00 B4 94 52 CC 0x80 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 0x90 FF FF FF FF FF F...

Страница 67: ...pped out Hardware Status and Line Protocol Status for a Wideband Channel Cable Interface When a wideband channel cable interface is specified in show interface wideband cable or another Cisco IOS command that displays hardware status and line protocol status for a cable interface the following applies The hardware status for a wideband channel cable interface will be up if the Wideband SPA is inst...

Страница 68: ...of the virtual bundle interface in which the wideband channel is a member NB channel The slot subslot port of the primary downstream channel narrowband channel or traditional DOCSIS channel for the wideband channel NB channel ID Channel ID for the primary downstream channel Reserved CIR The reserved committed information rate CIR Because CIR is not currently supported for wideband traffic reserved...

Страница 69: ...splay wideband channel statistics use show hw module bay with the counters and wideband channel keywords Router show hw module bay 1 0 0 counters wideband channel 0 SPA WB channel Tx packets Tx octets 1 0 0 0 29069 4032392 To display RF channels that have been configured for a wideband channel use show hw module bay with the mapping and wideband channel keywords The BW column is the percent of the...

Страница 70: ...ideband SPA located in slot subslot bay 1 0 0 Router show hw module bay 1 0 0 config rf channel 0 SPA RF Freq Mod Annex IP Address MAC Address UDP channel port 1 0 0 0 699000000 64qam B 192 168 200 30 0011 920e a9ff 49152 In the preceding output these fields provide information on the edge QAM device that is associated with the RF channel IP Address The IP address of the edge QAM device MAC addres...

Страница 71: ...cable modem wideband display If you specify show cable modem wideband registered traditional docsis the command displays wideband capable modems that are registered as DOCSIS 1 X or DOCSIS 2 0 modems show cable modem summary To display summary information for cable modems including modems registered as wideband cable modems use the show cable modem summary command Router show cable modem summary I...

Страница 72: ...cable interfaces in this example cable 5 1 1 to cable 5 1 2 Router show cable modem summary c5 1 1 c5 1 2 total Interface Cable Modem Description Total Reg Unreg Offline Wideband initRC initD initIO initO C5 1 1 U0 84 84 0 0 84 0 0 0 0 C5 1 1 U1 84 84 0 0 83 0 0 0 0 C5 1 1 U2 83 83 0 0 83 0 0 0 0 C5 1 1 U3 83 83 0 0 83 0 0 0 0 C5 1 2 U0 84 84 0 0 84 0 0 0 0 C5 1 2 U1 84 84 0 0 84 0 0 0 0 C5 1 2 U2...

Страница 73: ...dband Router Software Configuration Guide Online Offline Diagnostics Field Diagnostics on Cisco uBR10012 Router User s Guide For information on troubleshooting non Cisco components such as edge QAM devices used in the Cisco Cable Wideband Solution see the vendor documentation for the device Troubleshooting Wideband SIPs and Wideband SPAs This section describes troubleshooting techniques for a Wide...

Страница 74: ...splays output the Wideband SIP is powered on If show diag displays no output the Wideband SIP is not powered on Step 2 Check that the Wideband SIP s FAIL LED is not on The FAIL LED is turned on by default and turned off by software after basic board functionality has been verified If the SIP s FAIL LED remains on the SIP has failed to initialize or has encountered an error Step 3 Use the show hw m...

Страница 75: ...et Port Selected field indicates the active Gigabit Ethernet port For the active Gigabit Ethernet port the SFP Port 1 field indicates the type of SFP that is present For the active Gigabit Ethernet port the Link Status Port 1 field indicates whether the link is up The Cisco Wideband SPA transmits data in a unidirectional manner only and does not receive data from devices connected to its active Gi...

Страница 76: ... of the edge QAM device for this RF channel MAC address The MAC address of the next hop or edge QAM device for this RF channel UDP port The UDP port number for the QAM output port for this RF channel If any of the above values do not match what is present on the edge QAM device the Wideband SPA will not be able to successfully communicate with that device On the uBR10012 router RF channels are con...

Страница 77: ...rface wideband cable 1 0 0 1 Wideband Cable1 0 0 1 is up line protocol is up Hardware is Wideband CMTS Cable interface address is 0012 001a 8897 bia 0012 001a 8897 MTU 1500 bytes BW 74730 Kbit DLY 1000 usec reliability 255 255 txload 1 255 rxload 1 255 Encapsulation MCNS loopback not set Keepalive set 10 sec ARP type ARPA ARP Timeout 04 00 00 Last input never output 00 00 09 output hang never Last...

Страница 78: ...The downstream modular cable rf channel command specifies the RF channels that are available for wideband channels on a fiber node If a wideband channel attempts to use an RF channel that has not been made available for use on the fiber node a misconfiguration error occurs In this case the show hw module bay command displays the following error message Router show hw module bay 1 0 0 association w...

Страница 79: ...n RF channel with a wideband channel The bandwidth percent BW of each RF channel used for the wideband channel is 100 percent by default but is configurable with the cable rf channel command Troubleshooting Wideband Cable Modems This section describes troubleshooting techniques for wideband cable modems It includes the following sections Pinging a Wideband Cable Modem page 5 19 Verifying That a Wi...

Страница 80: ...he wideband cable modem is specified Router show cable modem 0014 bfbe 3e70 MAC Address IP Address I F MAC Prim RxPwr Timing Num BPI State Sid dBmv Offset CPE Enb 0014 bfbe 3e70 1 11 0 3 C5 0 1 U0 w online pt 1 0 00 1231 0 Y If a wideband capable cable modem is registered as a wideband modem the MAC State field will have one of the w online values wideband online such as w online pt in the precedi...

Страница 81: ...e modem errors Displays packet error information for each CM show cable modem flap Displays flap list information for each CM show cable modem mac Displays MAC layer information for each CM show cable modem offline Lists the offline CMs show cable modem maintenance Displays information about the Station Maintenance errors for each CM show cable modem offline Lists the offline CMs show cable modem ...

Страница 82: ...5 22 Cisco Cable Wideband Solution Design and Implementation Guide Release 1 0 OL 10705 02 Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components ...

Страница 83: ...ND MODEM MIB 3 10 Cisco Cable Wideband Solution 1 3 base CMTS components 2 1 DOCSIS 1 X 2 0 1 1 DOCSIS 3 0 1 1 documentation for components 2 21 edge QAM devices 2 11 in scope components 1 2 MIBs 4 10 out of scope components 1 3 overview viii 1 1 redundancy 2 18 resiliency 2 18 restrictions 4 10 system diagram 1 2 wideband cable modems 2 14 wideband CMTS components 2 8 Cisco half height Gigabit Et...

Страница 84: ...roubleshooting 5 13 CMTS add on wideband components 2 1 base system 2 4 channel bonding 3 1 wideband system 2 8 See also wideband cable modem termination system WCMTS command syntax conventions x configuring base CMTS components 4 1 4 2 Cisco Wideband SIP 4 3 Cisco Wideband SPA 4 3 EQAM devices 4 3 Gigabit Ethernet GE switches 4 5 wideband channels 5 18 wideband CMTS components 4 2 D DC Power Entr...

Страница 85: ... nodes configuring 3 3 wideband channels on 3 2 G Gigabit Ethernet GE switches configuring 4 5 functionality 3 8 when required 2 13 Gigabit Ethernet line cards 2 4 2 5 Gigabit Ethernet ports Cisco Wideband SPA 2 20 3 2 troubleshooting 5 14 H hardware configurations for base CMTS 2 4 for wideband CMTS 2 8 part numbers 2 4 Harmonic NSG 9000 EQAM device 1 4 2 12 2 13 3 5 Harmonic NSG 9116 EQAM device...

Страница 86: ... OIR Cisco Wideband SIP 2 9 Cisco Wideband SPA 2 20 operations support system OSS facilities 1 3 P part numbers for components 2 4 2 9 ping docsis command 5 19 primary bonded channels 4 6 4 7 primary bonding group ID option 4 7 primary downstream channels Linksys WCM300 modems 2 14 on a fiber node 3 3 4 1 Scientific Atlanta DPC2505 and EPC2505 modems 2 16 4 8 virtual bundle interfaces 3 3 wideband...

Страница 87: ...and 5 2 5 3 show hw module bay command 5 7 5 10 5 16 show hw module bay oir command 5 3 show interface wideband cable command 5 6 5 17 slot splitter cards 2 4 2 7 T technical assistance xi Timing Communication and Control Plus card TCC 2 4 traditional DOCSIS 2 0 channels 3 2 troubleshooting wideband components Cisco Wideband SIP 5 13 Cisco Wideband SPA 5 13 edge QAM devices 5 16 wideband cable mod...

Страница 88: ...C2505 2 16 security 3 7 troubleshooting 5 19 wideband cable modem termination system WCMTS add on components 2 8 base components 2 1 configuration 4 1 configuring wideband CMTS components 4 2 solution component 1 2 See also CMTS wideband channels 1 1 3 1 channel bonding 3 1 3 2 description 3 1 monitoring 5 6 number per SPA 1 3 number supported 2 10 on a fiber node 3 3 overview 1 1 registration 4 9...

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