Used Cisco Universal Broadband Router
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Part # UBR7246VXR or UBR 7246VXR

ROUTER PRODUCT DATA INFORMATION

PRODUCT DESCRIPTION: Cisco Systems 7246VXR Universal Broadband Router contains a quantity of 4 MC (Four Multi-Channel Line Card) Slots plus 2 PA (Two Port Adapter) Slots, 1 Clock Card Slot, 1 Fan Tray.

The Cisco uBR7246VXR features:

• Four cable line cards to connect to the cable plant.

• Two port adapters (one slot for dual-width port adapter) to connect to the IP backbone and external networks.

• One Cisco network processing engine (NPE) that includes the choice of the Cisco uBR7200 Series NPE-G1 Network Processing Engine, Cisco uBR7200 Series NPE-400 Network Processing Engine, or Cisco uBR7200 Series NPE-225 Network Processing Engine.

• One I/O controller that includes the choice of a standard I/O controller, controller with one Fast Ethernet port, or controller with two Fast Ethernet or Ethernet ports for a chassis with a Cisco uBR7200 Series NPE-400 or Cisco uBR7200 Series NPE-225. For chassis that contain the Cisco uBR7200 Series NPE-G1, customers have the option of operating with or without an I/O controller.

• One cable clock card to lock onto and propagate a T1 clock signal throughout the router mid plane.

The Cisco UBR7200-NPE-G1 Network Processing Engine G1 is the default supported processor for the Cisco uBR7246VXR router. The Cisco uBR7246VXR router expands the established functionality and superior performance of the Cisco uBR7246 router by providing much quicker processor cards, an elevated backplane capacity (1.2 Gbps as opposed to 600 Mbps in the Cisco uBR7246 router), and a considerably increased reliability, as well as the other supported functions of the Cisco uBR7246 router.

The Cisco uBR7246VXR is capable for DOCSIS® 1.1 and 1.0, in addition to Euro-DOCSIS 2.0 (For European network administrators and clients), 1.1 and 1.0. This router is also PacketCable™ 1.1-qualified. Starting in the Cisco IOS® Release 12.3(13)BC, the router can support PacketCableTM Multimedia (PCMM), which allows cable operators to install exceptional, state-of-the-art multimedia services on their communications-grade CMTS (Cable Modem Termination System) in their collocation or their own network operations center.

The router also demonstrates superiority in the CableLabs® OpenCable™ DOCSIS Set-Top Gateway (DSG) specification. DSG enables cable operators to carry both upstream and downstream video traffic capacity straight to the CMTS router as a network substitute of an individual video infrastructure. Using out-of-band (OOB) signaling in DOCSIS digitally changed carriers, cable operators can unite cable modem router and desktop box information transfer on a combined DOCSIS conduit.

As network professionals advance their customary configurations to an IP (Internet Protocol) State-Of-The-Art Network sustaining IP data, voice, and video transfer, the CMTS totally maintains sophisticated routing protocols as well as offers highly developed mechanized astuteness. The Cisco uBR7246VXR upgrades the CMTS into an intellectual broadband edge platform that provides exceedingly aggressive service packages in the network communications industry. The router gives network administrators to liberate the full prospective of their cable spectrum and DOCSIS hybrid fiber-coaxial (HFC) networks. This router also provides network bandwidth of up to 10,000 network users.

THE CISCO UBR 7246VXR ROUTER PROVIDES ADVANTAGEOUS CHANNELIZED IP DATA, MULTIMEDIA VIDEO SERVICES, AND VOICE.

As network consultants and administrators move from separate individual network devices to synergistic, congregated IP services, the network edge is crucial. The Cisco uBR7246VXR offers network operators a plethora of features and scalable boundaries connecting communications users with the backbone network. The Cisco uBR7246VXR presents elastic, inexpensive upgrades of DOCSIS, Euro-DOCSIS, or PacketCable/PCMM infrastructures, providing 1000 to 10,000 network users. The router also provides one of the largest spectrums of colocation-installed facility upgrades, together with micro processors, cable line cards and modules, and network interface cards and cables. The Cisco uBR 7246VXR bears an extensive collection of residential and commercial multiservice capabilities, as well as high-speed Internet access, IP telephony, and VPN (Virtual Private Network) applications such as the Cisco Systems VPN Client Software. Network specialists have the capacity to provide VPN services using an all-inclusive set of Multiprotocol Label Switching (MPLS) abilities. For cable plants that are not totally advanced to carry bi-directional broadcasting, the products toil in synchronization with dialup access products to carry efficient upstream interchange from DOCSIS-based broadband crossing points attached to the publicly switched telephone network (PSTN).

The Cisco uBR 7246VXR router chassis is completely RF strengthened to guarantee almost clatter-free communications. The Cisco uBR7246VXR can support Cisco broadband processing engines (BPEs), the next-generation of Cisco’s network processing engine, that offer varying upstream-to-downstream interface proportions, changing bandwidth, the capacity to drastically execute multifaceted spectrum administration. The product chains 6-MHz (Mega Hertz) North American channel graphs utilizing the ITU-T J.83 Annex B function and 8-MHz Phase Alternate Line (PAL) or Sequential Colour Avec Memoire (SECAM – See European French Network Administrators) channel plans using ITU-T J.83 Annex A procedure.

With the router’s amalgamation of modular presentation and solidity, the Cisco uBR7246VXR permits network-layer functions to be upgraded to a spacious range of network configurations and locations (for example, network collocations, network closets, etc.). One of the principal remunerations of the Cisco uBR7246VXR is its ease with modularity. The Cisco uBR7246VXR works in conjunction with a wide selection of line cards, network interface modules, processors and processing engines, I/O (Input / Output) controllers, with DRAM and Flash selections to present clientele tailored network configurations to satisfy even challenging network requirements.

The Cisco 7246VXR Broadband Router showcases:

• 4 (Four) cable line cards to connect to the cable plant.

• 2 (Two) port adapters (one slot for dual-width port adapter) to connect to the IP backbone and external networks; a range of network interfaces is available.

• 1 (One) Cisco network processing engine (NPE) that includes the choice of the Cisco uBR7200 Series NPE-G1 Network Processing Engine, Cisco uBR7200 Series NPE-400 Network Processing Engine, or Cisco uBR7200 Series NPE-225 Network Processing Engine.

• 1 (One) I/O controller that includes the choice of a standard I/O controller, controller with one Fast Ethernet port, or controller with two Fast Ethernet or Ethernet ports for a chassis with a Cisco uBR7200 Series NPE-400 or Cisco uBR7200 Series NPE-225. For chassis that contain the Cisco uBR7200 Series NPE-G1, customers have the option of operating with or without an I/O controller.

• 1 (One) cable clock card to lock onto and propagate a T1 clock signal throughout the router’s mid plane.

Reminiscent of all supplementary Cisco Systems® routers, the Cisco uBR 7246VXR operates Cisco IOS Software - one of the network industry's major function-rich software platforms. The Cisco uBR7246VXR provides ultra-performance routing potential at the edge, sustaining Border Gateway Protocol version 4 (BGPv4), Internal Border Gateway Protocol (IBGP), IP Multicast, Open Shortest Path First (OSPF), and several extra routing and switching protocols. The Cisco uBR7246VXR also gives NetFlow switching and quality of service (QoS) capabilities, together with Weighted Fair Queuing (WFQ), Weighted Random Early Detection (WRED), and Resource Reservation Protocol (RSVP). The router facilitates channelized service provisioning according to DOCSIS 1.1 QoS or PCMM Dynamic QoS (D-QoS) for accurate traffic monitoring and administration. Also, the router provides separated billing by providing organized traffic statistics by IP (Internet Protocol) address, protocol, QoS, and relevance. Highly developed plant problem solving and diagnostics give hands-on network management. Complex spectrum management abilities retain trustworthy service to network administrators even with the existence of cable plant up-stream clamor.

Network professionals are always apprehensive about unproductive utilization of network bandwidth. Data traffic patterns are variable, making aptitude difficulties. The wide-spread esteem of peer-to-peer (P2P) applications mandates advanced user traffic administration. Network technicians need to be aware which data traffic maintains on the network and discovers problematic sections and applications. The CMTS router should distinguish functions and/or service levels derived from data traffic habits and prototypes. Network-based application recognition (NBAR) support on the Cisco uBR7246VXR corrects this error. NBAR is a type of arrangement engine that can distinguish an ample selection of applications, including Web-based applications and client/server applications (for example, peer-to-peer applications such as the Kazaa application) that vigorously disperse TCP or User Datagram Protocol (UDP) port numbers. Once the application is familiarized, the network is able to summon precise functions for that designated application. NBAR works with QoS functions to guarantee network bandwidth is best utilized to accomplish network administrator directives. These functions consist of the capability to designate specific bandwidth to essential applications, taper bandwidth to unused applications, plunge specific bytes and packets to circumvent possible obstruction, and designate packets suitably in order that the network can give QoS across devices.

The Cisco uBR7246VXR provides authoritative user data traffic application services. The CMTS (Cable Modem Termination System) supervises, examines, and reacts in real time to data bandwidth utilization, carrying volume-based monitoring with rate-limiting potential. The Cisco uBR7246VXR finds the chief users of bandwidth, gathering data usage per user (both downstream and upstream), and contrasts these to configured parameters. Network technicians and administrators can rate limit users with the option to either apply monitored QoS contour difference for a specific time or change the DOCSIS ToS Override for controlling and rate limiting in the network.

The Cisco uBR7246VXR supports load balancing-the ability to assign a cable modem when it comes online to a specific channel to use downstream and upstream bandwidth more effectively. The Cisco uBR7246VXR disperses or redisperses cable modems founded on administrator-changeable data defined for a load-balancing collection. Every load-balancing set has one or more upstream interfaces and one or more downstream interfaces. To stabilize every load-balancing set, the Cisco uBR7246VXR checks the bandwidth load of every set to drastically permit or disallow the load-balancing procedure.

With the Cisco IOS Software Release 12.3(13)BC or higher, network administrators can optimize network consumption in real time for prioritized and separated reserve requests from all PCMM applications and boost the broadband user occurrence by optimizing or setting aside bandwidth for latency-sensitive and function-rich capabilities. The router satisfies service flow requests and now allows admission control-real-time choice making with respect to a service-by-service request before allotting CMTS or CMTS-administered reserves. Network administrators can also institute procedures for how reserves are distributed among several services and can set parameters for coping with bandwidth and capacity spikes. Functions such as entrance control and superior traffic engineering, along with superior-mode DSG on each cable IP network, assist administrators to compile voice data, video data, and data traffic on their cable IP networks. Also, Service-Independent Intercept (SII) assistance is added to help administrators in resolving the requirements of law enforcement.

SOARING AVAILABILITY, MAINTENANCE, AND NETWORK OVERSIGHT

The Cisco uBR7246VXR provides brilliant availability, maintenance, and network oversight. The Cisco uBR7246VXR carries dual current-exchanging power supplies (AC or DC) and online installation and removal (OIR) so that interface modules can be inserted, detached, or supplemented without service disruption. A PC (Personal Computer) flash memory card upgrades security by collecting backup software images and setup files. Environmental monitors have degrees of increase so technicians can take remedial resolve before any system shuts down. To upgrade serviceability, every module of the Cisco uBR7246VXR is expendable in the working network environment. For optimum data connectivity, the Cisco uBR7246VXR provides N+1 redundancy solutions with 99.999 percent high availability. The product works with the Cisco uBR 3x10 RF Switch to sustain rapid resolve of attached cable modems from a live CMTS to a support or redundant CMTS. This allows for no one point of malfunction in the router and provides quick transfer in the event of a network failure. The resolution totally satisfies PacketCable high-availability specifications and enhances crossover to:

• Designate voice flows over most utilized effort data flows

• Preserves advanced spectrum management states

• Sustains cross-over of one domain, line card, module, bundle, or router chassis

• Provides rapid command-line interface (CLI)-based cross-over for plant upkeep

Every Cisco uBR7246VXR router provides up to 4 (four) Cisco cable line modules, with each providing one or two downstream and six or eight upstream cable interfaces (depending on the Cisco line card utilized), for a maximum of up to eight downstream and 32 upstream interfaces in a uBR 7246VXR router chassis. Two Cisco RF switches can be attached to four working and one protect Cisco uBR7246VXR routers, providing network administrators to install an N+1 redundancy product in which one supporting cable line card module in the working Cisco uBR7246VXR assists one working cable line card in each of the four working chassis. For supplementary enhancements, the Cisco uBR7246VXR also supports 1+1 interchassis redundancy, which does not need an external Cisco RF Switch.

KEY FEATURES OF THE CISCO UBR 7246VXR ROUTER

• Modular stacking:

-Premier density per seven-foot rack, with forward-attuned cable line modules and a huge selection of network interface cards

-Solo platform with family of field-installable processing enhancements; additional users with a 2x presentation upgrade to the Cisco uBR7200 Series NPE-G1

• Premier reliability and security

• Proven mean time between failure (MTBF) above PacketCable specifications

-99.999 percent availability with N+1 redundancy - the cable and network industry's first interchassis, fully redundant N+1 system administration

-Environment-proven dependability with more than 275,000 upstream ports dispersed worldwide

• Established investment safety and high return on investment

-Competent to PacketCable 1.1 and 1.0, DOCSIS 1.1 and 1.0 qualified, along with Euro-DOCSIS 2.0 (for European users), 1.1, and 1.0

-Most resourceful standards support-IETF, ITU, Euro-DOCSIS, PacketCable, PCMM, MPLS, Dynamic Packet Transport/Resilient Packet Ring (DPT/RPR)

-DSG support, allowing network administrators to cross over from proprietary to open desktop equipment and profit from technical compensations and unrelenting modernization of DOCSIS

KEY BENEFITS OF THE UBR7246VXR ROUTER

• Increased profits with advanced IP services

• Additional customer contentment with field-tested high availability

• Lowered equipped costs with DPT backhaul resiliency

• Upgraded profits with Layer 3 features engineered especially to assist voice and commercial services

• Lowered equipped costs with industry-leading network administration tools

NETWORK INTERFACES FOR THE UBR7246VXR

The Cisco uBR7246VXR router provides trackable density with a huge selection of connectivity options, including:

• Fast Ethernet (FE) 100BASE-TX and 100BASE-FX

• Gigabit Ethernet (GE) with transceiver options

• Multichannel (MC) T1, E1, T3

• Packet over SONET (POS)

UBR7246VXR SOFTWARE FEATURES

Primary features the Cisco uBR7246VXR supports include:

• QoS
  – Subscriber traffic management (STM)
  – Low-latency queuing (LLQ)
  – Class-Based Weighted Fair Queuing (CBWFQ)
  – Class-Based Weighted Random Early Detection (CBWRED)
  – Policing
  – Marking
  – Shaping
  – Committed access rate (CAR)
  – Generic traffic shaping (GTS)
  – DOCSIS 1.1 and PacketCable QoS, PCMM D-QoS

• MPLS
  – MPLS VPN
  – MPLS QoS
  – MPLS traffic engineering

• Tunneling
  – Generic routing encapsulation (GRE)
  – Layer 2 Tunneling Protocol (L2TP)
  – Universal Transport Interface (UTI)

• Security/other
  – Dynamic shared secret (DMIC), which allows the router to help guarantee that each online cable modem utilizes the DOCSIS configuration file distributed to it; this protects against theft-of-service stabs from users and protects administrators against stolen or fraudulently downloaded configuration files. Configuration files are signed with a shared secret that is confirmed when a cable modem connects to the broadband router.
  – SII
  – Access control lists (ACLs)
  – Network Address Translation (NAT)
  – NetFlow
  – Firewall
  – Multicast

• DSG

UBR7246VXR DOCSIS SET-TOP GATEWAY SUPPORT

Conventionally, physical transfer of OOB messaging is transported over dedicated channels as set by the Society of Cable Telecommunication Engineers Digital Video Subcommittee (SCTE DVS) 167 and SCTE DVS 178. DSG provides the Cisco uBR7246VXR to send OOB messages with just a software enhancement using Cisco IOS Software Release 12.2(15)BC2. Superior mode DSG is supported utilizing Cisco IOS Software Release 12.3(13)BC or higher. Anchored in CableLabs OpenCable qualifications, DSG is a technology that connects the established video environment with what is called "next-generation OOB." DSG diverts from established OOB transportation, integrating it into DOCSIS digitally changed carriers now utilized for cable modem service. The router carries digital video OOB messaging/signaling between the video start end and subscriber digital STBs.

Uniting cable modem and STB traffic over a familiar DOCSIS network allows network administrators to assist new functions and technology with minimum equipment swapping and provides an intellectual and longer lasting network configuration that skyrockets return on investment and lowers operating costs. DSG combines the power of DOCSIS technology for new capabilities, accelerating installation of bandwidth-heavy, interactive video services such as online gaming, online gambling, t-commerce, and targeted advertising. Relocation of OOB messaging traffic to an operationally advanced and wider-bandwidth DOCSIS channel is crucial to implementation of interactive services. For these capabilities, the established OOB apparatus (DVS 167 and DVS 178) is obsolete and gives unsatisfactory bandwidth at a higher operating expense.

UBR7246VXR SPECIFICATIONS

Table 1 lists the Cisco uBR7246VXR router specifications.

Table 1. Cisco uBR7246VXR Universal Broadband Router Qualifications

UBR7246VXR DOCSIS SET-TOP GATEWAY SPECIFICATIONS

DSG function support in Cisco IOS Software Release 12.3(13)BC is founded on CM-SP-DSG-I04-050408. Support includes:

• Up to 4 (four) individual conditional access users per router; vendor names must be unique and are limited to a maximum of seven characters.

• A maximum of 8 (eight) DSG tunnels (as identified by the established MAC address) per conditional access vendor, for a maximum probable total of 32 DSG tunnels per chassis.

• Numerous conditional access vendors cannot use the same DSG tunnel (that is, 2 (two) vendors cannot use a tunnel with the identical IP Multicast address).

• Every vendor must use an exclusive set of IP Multicast addresses, and after an IP Multicast address is designated to a DSG tunnel, that distinct address cannot be utilized for any other function. Subsequently, every other Multicast address and set can still be utilized on the interface for other Multicast applications.

• DSG-related IP Unicast traffic is supported only by configuring NAT on the cable and WAN interfaces, as outlined in the "DOCSIS Set-Top Gateway for the Cisco CMTS" function module.

• DSG traffic must be less than 2.048 Mbps per vendor, so as to conform to the DSG requirements.

• If using bundled interfaces, network administrators should configure DSG configurations on the master interface only. When DSG is designed properly on the master interface, DSG traffic is allowed to flow across both master and slave interfaces.

• Superior mode abilities such as downstream channel descriptor, regionalization, fragmentation, QoS, and upgraded security for Multicast delivery of OOB messages enthusiastically to STBs.

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Cisco uBR7246 Series Routers