Cisco WCM300 - Channel Bonded Cable Modem Implementation Manual
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Cisco WCM300 - Channel Bonded Cable Modem Implementation Manual

Cisco WCM300 - Channel Bonded Cable Modem Implementation Manual

Cable wideband solution design and implementation guide, release 1.0
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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
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883
Text Part Number: OL-10705-02

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Summary of Contents for Cisco WCM300 - Channel Bonded Cable Modem

  • Page 1 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 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883 Text Part Number: OL-10705-02...
  • Page 2 Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Enterprise/Solver, EtherChannel, EtherFast, EtherSwitch, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS, iPhone, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, iQuick Study, LightStream, Linksys, MeetingPlace, MGX, Networking Academy, Network Registrar, Packet, PIX, ProConnect, ScriptShare, SMARTnet, StackWise, The Fastest Way to Increase Your Internet Quotient, and TransPath are registered trademarks of Cisco Systems, Inc.

  • Page 3: Table Of Contents

    Solution Description and Scope Architecture and Scope In Scope Out of Scope Solution Key Features Solution Components Cisco, Linksys, and Scientific Atlanta Equipment Third-Party Equipment Cisco Cable Wideband Components C H A P T E R Base CMTS Components Base CMTS Component Requirements...
  • Page 4 Contents Scientific Atlanta DPC2505 and EPC2505 Wideband Cable Modems 2-16 Wideband CMTS Redundancy and Resiliency 2-18 PRE2 Redundancy and Resiliency 2-19 Route Processor Redundancy Plus 2-19 DOCSIS Stateful Switchover 2-19 uBR10-MC5X20 Line Card Redundancy 2-19 Wideband SPA Redundancy and Resiliency 2-20 Wideband SPA Redundant Gigabit Ethernet Ports 2-20...
  • Page 5 Contents Linksys WCM300-NA, WCM300-EURO, and WCM300-JP Modems DOCSIS Configuration File for Wideband on Linksys WCM300 Modems Scientific Atlanta DPC2505 and EPC2505 Modems Automatic Adjustments During Scientific Atlanta DPC2505 and EPC 2505 Registration CMTS Interactions with Wideband Cable Modems Registration for Wideband Cable Modems...
  • Page 6 Contents Verifying Other Information for Wideband Cable Modems 5-21 N D E X Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 OL-10705-02...

  • Page 7: Objectives

    Document Revision History Release No. Revision Date Change Summary 12.3(21)BC OL-10705-01 February 2007 First release 12.3(21a)BC3 OL-10705-02 July 2007 Added information on the Linksys WCM300-NA, WCM300-EURO, and WCM300-J modems. Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 OL-10705-02...

  • Page 8: Document Organization

    Preface Document Organization Document Organization This publication is organized as follows: Chapter Title Description Chapter 1 Solution Overview Provides an overview of the Cisco Cable Wideband Solution, Release 1.0. Chapter 2 Cisco Cable Wideband Describes the components of the Cisco Cable Wideband Components Solution, Release 1.0.
  • Page 9 Preface Related Documentation Related Topic Document Title Cisco uBR10012 Software, Cisco uBR10012 Universal Broadband Router SIP and SPA Software Configuration • Configuration, and Features Guide http://www.cisco.com/univercd/cc/td/doc/product/cable/ubr10k/ubr10012/sipspa/swsips pa/index.htm Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 (this • document) http://www.cisco.com/univercd/cc/td/doc/product/cable/ubr10k/ubr10012/wbsolu/index.

  • Page 10: Conventions

    Preface Conventions Conventions This guide uses the following conventions for command syntax descriptions and textual emphasis: Table 2 Command Syntax and Emphasis Conventions Convention Description boldface font Commands and keywords are in boldface. italic font Arguments for which you supply values are in italics. Elements in square brackets are optional.

  • Page 11: Obtaining Documentation, Obtaining Support, And Cisco Security Guidelines

    Preface Obtaining Documentation, Obtaining Support, and Cisco Security Guidelines Obtaining Documentation, Obtaining Support, 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...
  • Page 12 Preface Obtaining Documentation, Obtaining Support, and Cisco Security Guidelines Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 OL-10705-02...

  • Page 13: Chapter 1 Solution Overview

    The maximum bandwidth supported depends on the number of RF channels that can be aggregated into a wideband channel. For example: The Linksys WCM300-NA wideband cable modem supports downstream throughput of up to • approximately 292 Mbps (with a wideband channel consisting of eight RF channels at 6 MHz and 256 QAM).

  • Page 14: Architecture And Scope

    Chapter 1 Solution Overview Solution Description and Scope Architecture and Scope Figure 1-1 presents a simplified view of the Cisco Cable Wideband Solution, Release 1.0. In Figure 1-1, two RF channels are bonded into a wideband channel (bonding group). The Cisco Cable Wideband Solution includes these major components: Wideband cable modem termination system (WCMTS)—Cisco uBR10012 router •...

  • Page 15: Out Of Scope

    Cisco Cable Wideband Solution, Release 1.0, consists of Cisco, Linksys, and Scientific Atlanta components that are tested, documented, and fully supported by Cisco, Linksys, or Scientific Atlanta. Also, third-party equipment, although not fully supported by Cisco, has been selected and tested for interoperability with the solution components.

  • Page 16: Cisco, Linksys, And Scientific Atlanta Equipment

    Solution Components Cisco, Linksys, and Scientific Atlanta Equipment For the Cisco Cable Wideband Solution, Release 1.0, the following Cisco, Linksys, and Scientific Atlanta equipment have been tested in the context of the solution. Cisco uBR10012 universal broadband router with PRE2 processor modules and these components: •...
  • Page 17 C H A P T E R Cisco Cable Wideband Components This chapter describes the components of the Cisco Cable Wideband Solution, Release 1.0, and contains the following topics: Base CMTS Components, page 2-1 • Wideband CMTS Components, page 2-8 •...
  • Page 18 Chapter 2 Cisco Cable Wideband Components Base CMTS Components Figure 2-1 Wideband CMTS: Cisco uBR10012 Router—Front View without Front Cover P O W E R CIS CO M IS W IR 100 00 CIS CO P O W E R 100 00 F A U L T M IS W IR...

  • Page 19: Chapter 2 Cisco Cable Wideband Component

    Chapter 2 Cisco Cable Wideband Components Base CMTS Components Figure 2-2 Wideband CMTS: Cisco uBR10012 Router —Rear View CI SC O CIS CO uB R1 00 10 00 0 CIS CO 100 00 US1 0 US1 0 US1 1 US1 0 US1 1 US1 2 US1 1...
  • Page 20 Chapter 2 Cisco Cable Wideband Components Base CMTS Components Base CMTS Component Requirements For the Cisco uBR10012 base system, Table 2-1 lists the minimum and recommended hardware configurations for major components. The base system can be used as a DOCSIS 1.x/2.0 CMTS and can be upgraded to a wideband CMTS.
  • Page 21 Chapter 2 Cisco Cable Wideband Components Base CMTS Components The Cisco Gigabit Ethernet network uplink line card (part number UBR10-1GE) is also supported as a base CMTS component. It is a full-height line card that, for use with a Wideband SIP and SPA, should be installed in slot 3/0 or 4/0 of the uBR10012 router.
  • Page 22 Chapter 2 Cisco Cable Wideband Components Base CMTS Components For a DOCSIS 1.X/2.0 system, downstream data to the subscriber, comes from the Internet through the WAN/backhaul card, and across the backplane to the cable interface line card. The cable interface card processes and configures the data and sends it out through the appropriate downstream port (DS0 - DS4) to be combined with the rest of the downstream signals in the headend.
  • Page 23 Chapter 2 Cisco Cable Wideband Components Base CMTS Components Table 2-2 Supported DOCSIS and EuroDOCSIS Modulation Schemes Cable Interface Line Card Downstream Modulation Upstream Modulation Cisco uBR10-MC5X20S 64-QAM , 256-QAM QPSK , 8-, 16-, 32-, 64-QAM Cisco uBR10-MC5X20U 64-QAM, 256-QAM QPSK, 8-, 16-, 32-, 64-QAM Cisco uBR10-MC5X20H 64-QAM, 256-QAM...
  • Page 24 Chapter 2 Cisco Cable Wideband Components Wideband CMTS Components Figure 2-5 SFP Module for HHGE Line Cards Mylar tab Bale clasp The following SFP modules are supported by the HHGE line card: • 1000BASE-SX SFP—The SFP-GE-S, 1000BASE-SX SFP operates on ordinary multimode fiber optic link spans of up to 550 meters in length.
  • Page 25 Chapter 2 Cisco Cable Wideband Components Wideband CMTS Components Table 2-3 Cisco uBR10012 Wideband Components: Minimum and Recommended Hardware Component Minimum Recommended Wideband SIP (SPA Interface Processor) Part Number: UBR10-2XDS-SIP Wideband SPA (Shared Port Adapter) Varies* Part Number: SPA-24XDS-SFP * The number of Wideband SPAs required will vary depending on the set of services and number of subscribers being supported.
  • Page 26 Chapter 2 Cisco Cable Wideband Components Wideband CMTS Components The Cisco uBR10012 router can support up to two Wideband SPAs. Each Wideband SPA can support up to 12 logical wideband channels (bonding groups). Depending on how it is configured, each Wideband SPA allows up to 24 RF channels.
  • Page 27 Chapter 2 Cisco Cable Wideband Components Wideband CMTS Components External Edge QAM Device The Cisco wideband CMTS uses one or more external edge QAM (EQAM) devices. The EQAM device is a network element in a separate chassis from the CMTS. The EQAM device has two or more Gigabit Ethernet input interfaces that connect to a Wideband SPA.
  • Page 28 Chapter 2 Cisco Cable Wideband Components Wideband CMTS Components Scientific Atlanta Continuum DVP XDQA24 The Scientific Atlanta Continuum DVP eXtra Dense QAM Array 24 (XDQA24) is one of the edge QAM devices that has been tested for interoperability with other solution components. The Continuum DVP XDQA24 has two redundant Gigabit Ethernet input interfaces that use small form-factor pluggable (SFP) modules for fiber-optic and copper links.

  • Page 29: Gigabit Ethernet Switch (Optional)

    Chapter 2 Cisco Cable Wideband Components Wideband CMTS Components The NSG 9000 provides scalable support up to 72 QAM RF outputs. The chassis is fitted with a passive backplane, while all the processing and modulation functions are performed on retrievable modules. The chassis has nine QAM RF module slots.

  • Page 30: Wideband Cable Modems

    Linksys WCM300 Wideband Cable Modem The Linksys WCM300 is DOCSIS 2.0 compatible and can be used in this mode (for example, if the modem is connected to a non-wideband Cisco CMTS or to a non-Cisco CMTS). The modem is also backward compatible with existing DOCSIS 1.X networks.
  • Page 31 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. Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0...

  • Page 32: Scientific Atlanta Dpc2505 And Epc2505 Wideband Cable Modems

    Cisco Cable Wideband Components Wideband Cable Modems The Linksys WCM300 wideband cable modem has two ports: an F-type 75 ohm connector provides a cable network attachment, and an RJ-45 port provides a 10/100/1000 Mbps Ethernet connection to the home or business. More information on the Linksys WCM300 wideband cable modem is available at: http://www.cisco.com/en/US/products/hw/cable/index.html...
  • Page 33 Chapter 2 Cisco Cable 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 Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 2-17...

  • Page 34: Wideband Cmts Redundancy And Resiliency

    Chapter 2 Cisco Cable Wideband Components Wideband CMTS Redundancy and Resiliency Wideband CMTS Redundancy and Resiliency The uBR10012 wideband CMTS and related hardware and software provide redundancy and resiliency to the Cisco Cable Wideband Solution. Reliable, fault-tolerant components and resilient network technologies automatically identify and overcome failures.

  • Page 35: Pre2 Redundancy And Resiliency

    Chapter 2 Cisco Cable Wideband Components Wideband CMTS Redundancy and Resiliency PRE2 Redundancy and Resiliency The Route Processor Redundancy Plus (RPR+) feature and DOCSIS Stateful Switchover (DSSO) in the Cisco IOS software provide the Cisco uBR10012 router’s PRE2 route processors with fast route processor failover without DOCSIS line card reboot.

  • Page 36: Wideband Spa Redundancy And Resiliency

    Chapter 2 Cisco Cable Wideband Components Wideband CMTS Redundancy and Resiliency N+1 Redundancy can help limit Customer Premises Equipment (CPE) downtime by enabling robust automatic switchover and recovery in the event that there is a localized system failure. N+1 Redundancy adds synchronization between Hot Standby Connection-to-Connection Protocol (HCCP) Working interface configurations and those inherited upon switchover to HCCP Protect interfaces.

  • Page 37: Wideband Channel Resiliency

    Chapter 2 Cisco Cable Wideband Components Where to Find Information on Solution Hardware Components The show controllers modular-cable command shows the current state of the Wideband SPA’s Gigabit Ethernet ports. With the Cisco IOS CLI, the Wideband SPA’s Gigabit Ethernet ports are not specified on the command line as individual Gigabit Ethernet interfaces because the ports work in tandem as a redundant pair.
  • Page 38 Vecima Networks VistaLynx VL1000 edge QAM Refer to the vendor documentation. device Linksys WCM300-NA, WCM300-EURO, and Release Notes for Linksys WCM300 Cable Modem Software WCM300-JP wideband cable modems Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 (this document)

  • Page 39: Wideband Channel Bonding

    C H A P T E R Cisco Cable Wideband Architecture This chapter explains the architecture used for the Cisco Cable Wideband Solution, Release 1.0. It explains the following topics: Wideband Channel Bonding, page 3-1 • Modular CMTS, page 3-4 •...

  • Page 40: Wideband Channel Bonding

    In Release 1.0, channel bonding is used for downstream wideband channels only. With the Linksys WCM300-NA modem, a downstream wideband channel can combine up to –...

  • Page 41: Software Configuration For Fiber Nodes

    Chapter 3 Cisco Cable Wideband Architecture Wideband Channel Bonding The Cisco Wideband SPA on the uBR10012 router provides the logical RF channels for the DOCSIS 3.0 Downstream Channel Bonding feature. The service provider uses a customized set of Cisco IOS commands to configure the Wideband SPA for each wideband channel and its associated DOCSIS 2.0 downstream and upstream channels.

  • Page 42: Modular Cmts

    Chapter 3 Cisco Cable Wideband Architecture Modular CMTS Figure 3-2 Wideband Channels and Primary Downstream Channels on a Fiber Node PDC1 PDC2 A WCM on the fiber node can come online on WB1/PDC1, on WB1/PDC2, or on WB2/PDC1. On the CMTS, WB1, WB2, PDC1, and PDC2 all are members of the same virtual interface bundle.

  • Page 43: Benefits Of M-Cmts Architecture

    Chapter 3 Cisco Cable Wideband Architecture Modular CMTS M-CMTS Core—Contains the traditional functionality of a CMTS except for the downstream PHY. • The M-CMTS Core provides CMTS functionality, such as DOCSIS MAC (media access control) and upstream QPSK and QAM demodulation. DOCSIS MAC includes upstream and downstream packet transmission services and MAC management message exchanges with cable modems.

  • Page 44: Multiservice Architecture

    Chapter 3 Cisco Cable Wideband Architecture Modular CMTS Multiservice Architecture With M-CMTS architecture, the use of external edge QAM devices allows MSOs to use the same network resources for a video on demand (VOD) network and a Cisco wideband cable network. With updated firmware, some edge QAM devices can be used for VOD and for wideband channels though individual output QAM channels in the device cannot be shared.

  • Page 45: Addressing

    Chapter 3 Cisco Cable Wideband Architecture Modular CMTS A MAC domain is responsible for all MAC Management Messages to the set of cable modems that are registered on that MAC Domain. A cable modem is registered to only a single MAC Domain. A MAC Domain provides Layer 2 data forwarding services between the CMTS and the set of cable modems registered to that MAC Domain.

  • Page 46: Quality Of Service

    Chapter 3 Cisco Cable Wideband Architecture Gigabit Ethernet Switch Functionality Quality of Service For quality of service (QoS) on a wideband downstream channel, a wideband cable modem can be assigned multiple service flows. Only Best Effort (BE) service flows are currently supported. The CMTS sends data traffic on a non-guaranteed best-effort basis.

  • Page 47: Wideband Cable Modem Functionality

    Chapter 3 Cisco Cable Wideband Architecture Wideband Cable Modem Functionality The QAM channels on the edge QAM device do not need to be adjacent. If certain QAM channels have already been assigned to non-DOCSIS uses, the DOCSIS 3.0 Downstream Channel Bonding feature uses the channels that are available.
  • Page 48 Chapter 3 Cisco Cable Wideband Architecture Wideband Cable Modem Functionality A wideband channel uses the same DOCSIS frame format as a traditional DOCSIS channel uses. The channel just has more bandwidth. A new extended header for wideband has been added to the DOCSIS protocol.

  • Page 49: Wideband Cmts Configuration

    C H A P T E R Implementing and Configuring the Solution This chapter provides implementation and configuration information for the Cisco Cable Wideband Solution, Release 1.0, and contains the following topics: Wideband CMTS Configuration, page 4-1 • Wideband Cable Modem Behavior, page 4-6 •...

  • Page 50: Configuring Wideband Cmts Components

    Chapter 4 Implementing and Configuring the Solution Wideband CMTS Configuration All wideband channels used on a fiber node and all associated primary downstream channels on Cisco uBR10-MC5X20 cable interface line cards must be configured to belong to the same virtual bundle interface.

  • Page 51: C H A P T E R 4 Implementing And Configuring The Solution

    Chapter 4 Implementing and Configuring the Solution Wideband CMTS Configuration Configuring the Wideband SIP and Wideband SPA The wideband CMTS components that require configuration include the Cisco Wideband SIP and Cisco Wideband SPA. Cisco IOS commands are issued on the uBR10012 router to configure the Wideband SIP and SPA.
  • Page 52 Chapter 4 Implementing and Configuring the Solution Wideband CMTS Configuration Table 4-2 RF Channel and EQAM Configuration Worksheet EQAM Device QAM Output Wideband SPA GE Input GE Input RF Channel IP Address MAC Address QAM Output Frequency Port Number Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 OL-10705-02...

  • Page 53: Configuring The Gigabit Ethernet Switch

    Chapter 4 Implementing and Configuring the Solution Wideband CMTS Configuration Configuring the Gigabit Ethernet Switch A Gigabit Ethernet (GE) switch linking the Cisco Wideband SPAs and the edge QAM (EQAM) devices is optional except when more than two EQAM devices are required for two Wideband SPAs, or when video-on-demand (VOD) traffic and the RF channels for wideband channels are mixed on the same EQAM device.

  • Page 54: Wideband Cable Modem Behavior

    DOCSIS configuration file using TLVs (primary bonding group ID and secondary bonding group ID). The Linksys WCM300 wideband cable modem implements a subset of the DOCSIS 3.0 protocol for channel bonding. Channel bonding is accomplished by the use of a per-packet sequence number to enable the wideband cable modem to deliver, in order, the packets from multiple RF channels that are destined to the CPE device.

  • Page 55: Docsis Configuration File For Wideband On Linksys Wcm300 Modems

    Wideband Cable Modem Behavior DOCSIS Configuration File for Wideband on Linksys WCM300 Modems The Linksys WCM300 wideband cable modem obtains a DOCSIS configuration file as it does in DOCSIS 2.0. For wideband operation, the file may contain three wideband-related Type/Length/Value (TLV) encodings.

  • Page 56: Scientific Atlanta Dpc2505 And Epc2505 Modems

    RF channels in the primary and secondary bonded channels must comply with the 50 MHz capture-window limitation of the Linksys WCM300 modem. If a wideband channel is specified as a secondary bonded channel in the DOCSIS configuration file, the...

  • Page 57: Automatic Adjustments During Scientific Atlanta Dpc2505 And Epc 2505 Registration

    This section provides information CMTS interactions with wideband cable modems: • Registration for Wideband Cable Modems, page 4-9 • Load Balancing for Wideband Cable Modems, page 4-10 In these sections, all statements are generic and apply to the following modems: Linksys WCM300-NA • Linksys WCM300-EURO • Linksys WCM300-JP •...

  • Page 58: Load Balancing For Wideband Cable Modems

    Chapter 4 Implementing and Configuring the Solution Supported MIBs Consistent with DOCSIS 3.0, the assignment of multiple channels takes place at two layers. The lower layer is that of physical receiver configuration, or the Receive Channel Set, of the cable modem. The CMTS uses a specific subset of DOCSIS 3.0 Receive Channel Configuration (RCC) encodings to tell the wideband cable modem what center frequencies to use for its primary downstream channel receiver and its non-primary downstream channel receivers.
  • Page 59 Chapter 4 Implementing and Configuring 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.
  • Page 60 Chapter 4 Implementing and Configuring the Solution Known Restrictions Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 4-12 OL-10705-02...

  • Page 61: Monitoring Wideband Components

    C H A P T E R Monitoring and Troubleshooting Wideband Components This chapter provides an introduction to monitoring and troubleshooting the wideband components of the Cisco Cable Wideband Solution, Release 1.0. The chapter includes the following topics: Monitoring Wideband Components, page 5-1 •...

  • Page 62: C H A P T E R 5 Monitoring And Troubleshooting Wideband Components

    Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components Table 5-1 Wideband Command Reference Documentation Document Command Described Cisco Broadband Cable Command Reference Commands for cable modems and wideband-cable Guide interfaces (wideband channels) Cisco IOS Release 12.3 Commands Master Commands for IOS Release 12.3 that are not Commands List cable-specific...

  • Page 63: Monitoring Wideband Spas

    Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components Monitoring Wideband SPAs The following commands are useful for monitoring a Cisco Wideband SPA: show hw-module bay oir • show diag • show controllers modular-cable • show hw-module bay oir To verify that the Wideband SPA is powered on, use the show hw-module bay oir command.

  • Page 64: Show Controllers Modular-Cable

    Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components CLEI Code MAC Address : 0019.06a5.d9b2 MAC Address block size Manufacturing Test Data : 00 00 00 00 00 00 00 00 Field Diagnostics Data : 00 00 00 00 00 00 00 00 Calibration Data : Minimum: 0 dBmV, Maximum: 0 dBmV Calibration values :...
  • Page 65 Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components RF Channel information Modulation corresponds to : QAM 256 Annex corresponds to : Annex B Modulation Data :GE Interframe Gap = 12 , MPEG-TS Frames per pkt = 4 SPA IP address = 0.0.0.0 SPA MAC Addr = 0012.001A.888B Channel Rate Rate adjust...

  • Page 66: Monitoring Wideband Channels

    Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components Bit Rate: 1300 Mbps 50 micron-multimode fiber supported length: 550 m 62.5 micron-multimode fiber supported length: 270 m Upper bit rate limit: not specified Lower bit rate limit: not specified Date code (yy/mm/dd): 05/02/23 Vendor name: CISCO-AGILENT Vendor OUI: 12499...

  • Page 67: Show Hw-Module Bay

    Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components The following example displays show interface wideband-cable command output for wideband channel 0 on the Wideband SPA in slot/subslot/bay 1/0/0. Router# show interface wideband-cable 1/0/0:0 Wideband-Cable1/0/0:0 is up, line protocol is up Hardware is Wideband CMTS Cable interface, address is 0012.001a.8896 (bia 0012.001a.8896) MTU 1500 bytes, BW 74730 Kbit, def 74730 Kbit DLY 1000 usec,...
  • Page 68 Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components association—Displays wideband-to-narrowband (traditional DOCSIS) channel association • information. The association of a wideband channel to a traditional DOCSIS downstream channel is made when a primary downstream channel for the fiber node is configured with the downstream cable command.
  • Page 69 Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components Bundle num—The number of the virtual bundle interface in which the wideband channel is a • member. WB Host Slot/Subslot—The cable interface line card that has been configured for Wideband •...

  • Page 70: Monitoring Rf Channels

    Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components Monitoring RF Channels The following command is useful for monitoring RF channels on a Wideband SPA: show hw-module bay. show hw-module bay To display information about RF channels on a Wideband SPA, use the show hw-module bay command with the rf-channel keyword.

  • Page 71: Show Cable Modem Wideband

    Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components show cable modem errors • show cable modulation profile • show interface cable privacy • show cable modem wideband To display information for registered and unregistered wideband cable modems, use the show cable modem wideband command.
  • Page 72 Chapter 5 Monitoring and Troubleshooting Wideband Components Monitoring Wideband Components Router# The following example displays summary information and totals for the set of modems on a range of 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...

  • Page 73: Troubleshooting Wideband Components

    Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components Troubleshooting Wideband Components This section provides an introduction to troubleshooting the wideband components of the Cisco Cable Wideband Solution: Troubleshooting Wideband SIPs and Wideband SPAs, page 5-13 • Troubleshooting Wideband Channels, page 5-17 •...
  • Page 74 Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components Action More Information or Example Step 1 Use the show diag command to check that a Router# show diag 1/0 Wideband SIP is powered on. Slot/Subslot 1/0: 2jacket-1 card, 0 ports Card is full slot size Card is analyzed Card detected 0:3:16 ago...
  • Page 75 Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components 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 to the SPA. SPA reports power enabled and okay. SPA reports it is okay and is NOT held in reset.

  • Page 76: Verifying That A Wideband Spa Is Correctly Configured For Spa-To-Eqam Communications

    Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components Verifying That a Wideband SPA Is Correctly Configured for SPA-to-EQAM Communications If a Wideband SPA is unable to communicate with an edge QAM device, check that the RF channels configured with the rf-channel command match the values required by the edge QAM device. You can use the show hw-module bay command to see the values that have been configured for an RF channel.

  • Page 77: Troubleshooting Wideband Channels

    Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 Troubleshooting Wideband Channels This section describes troubleshooting techniques for wideband channels. It includes the following sections: • Verifying That a Wideband Channel is Up and Is Transmitting Packets •...

  • Page 78: Verifying That A Wideband Channel Is Configured Correctly

    Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components Verifying That a Wideband Channel is Configured Correctly To verify whether a wideband channel is configured correctly, use the show hw-module bay command with the wideband-channel keyword and the association, config, or mapping keywords. The following examples show the output for association keyword: Router# show hw-module bay 1/0/0 association wideband-channel 0 Bundle...

  • Page 79: Troubleshooting Wideband Cable Modems

    Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components Router# show hw-module bay 1/0/0 mapping wideband-channel BW % channel channel 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 1/0/0 A channel-bonded wideband channel is associated with at least two RF channels depending on the wideband channel’s configuration.

  • Page 80: Verifying That A Wideband-Capable Cable Modem Is Registered As A Wideband Modem

    Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components The ping docsis command uses 1/64—the bandwidth of IP ping—and works with cable modems that have not yet acquired an IP address. This allows cable operators to ping cable modems that are unable to complete registration, that have internal bugs, or that are unresponsive due to a crash.
  • Page 81 Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components Verifying Other Information for Wideband Cable Modems To verify other information related to wideband cable modems, use the show commands that display information relevant to all cable modems: • show cable modem access-group—Displays information about the access group for each CM. •...
  • Page 82 Chapter 5 Monitoring and Troubleshooting Wideband Components Troubleshooting Wideband Components Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 5-22 OL-10705-02...
  • Page 83 F I N A L D R A F T - C I S C O C O N F I D E N T I A L I N D E X documentation for components 2-21 edge QAM devices 2-11 AC Power Entry Modules (AC PEMs) in-scope components...
  • Page 84 Index F I N A L D R A F T - C I S C O C O N F I D E N T I A L Cisco uBR10-MC5X20 line cards command syntax conventions description configuring failure and switchover base CMTS components 2-20 4-1, 4-2...
  • Page 85 5-16 Vecima Networks VistaLynx VL1000 2-13 video traffic 2-13 ENTITY-MIB 4-10 J-DOCSIS and Linksys WCM300-JP modem 2-14 EuroDOCSIS cable modems 2-14, 2-16 LCD module features of solution LEDs for troubleshooting 5-14 fiber nodes line cards...
  • Page 86 5-10 Receive Channel Set 4-10 wideband cable modems 5-10 recommended hardware configurations wideband channels redundancy MPEG-TS packets network layer multicast traffic on Linksys WCM300 modems 4-6, 4-8 of components multiservice architecture REG-RSP message 4-10 reject-bad-rcc(208) code restrictions 4-10 RF channels...
  • Page 87 Scientific Atlanta DPC2505 and EPC2505 modems trunk uplinks behavior Type/Length/Value (TLV) encodings channels supported CMTS interactions description 2-16 registration unicast traffic on Linksys WCM300 modems restrictions 4-11 upstream channels 3-2, 3-3 unicast service flows upstream traffic secondary bonded channels secondary bonding group ID option...
  • Page 88 Index F I N A L D R A F T - C I S C O C O N F I D E N T I A L load balancing 4-10 monitoring 5-10 quality of service (QoS) registered as w-online 5-20 registration Scientific Atlanta DPC2505 and EPC2505...

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