Router Cisco 2821

351.05$

The Router Cisco 2821 Integrated Services Router is part of the Cisco 2800 Integrated Services Router Series which complements the Integrated Services Router Portfolio.

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The Router Cisco 2821 Integrated Services Router is part of the Cisco 2800 Integrated Services Router Series which complements the Integrated Services Router Portfolio.

The Cisco 2800 Series provides significant additional value compared to prior generations of Cisco routers at similar price points by offering up to a fivefold performance improvement, up to a tenfold increase in security and voice performance, new embedded service options, and dramatically increased slot performance and density while maintaining support for most of the more than 90 existing modules that are available today for the Cisco 1700, Cisco 2600, and Cisco 3700 Series.The Cisco 2800 Series features the ability to deliver multiple high-quality simultaneous services at wire speed up to multiple T1/E1/xDSL connections. The routers offer embedded encryption acceleration and on the motherboard voice digital-signal-processor (DSP) slots; intrusion prevention system (IPS) and firewall functions; optional integrated call processing and voice mail support; high-density interfaces for a wide range of connectivity requirements; and sufficient performance and slot density for future network expansion requirements and advanced applications.

The Cisco 2821 Integrated Services Router provides the following support:

 

  • Wire-speed performance for concurrent services such as security and voice , and advanced services to multiple T1/E1/xDSL WAN rates
  • Enhanced investment protection through increased performance and modularity
  • Enhanced investment protection through increased modularity
  • Increased density through High-Speed WAN Interface Card Slots (four)
  • Enhanced Network Module Slot
  • Support for over 90 existing and new modules
  • Support for majority of existing AIMs, NMs, WICs, VWICs, and VICs
  • Two Integrated 10/100/1000 Ethernet ports
  • Optional Layer 2 switching support with Power over Ethernet (PoE) (as an option)
  • Security
    • On-board encryption
    • Support of up to 1500 VPN tunnels with the AIM-EPII-PLUS Module
    • Antivirus defense support through Network Admission Control (NAC)
    • Intrusion Prevention as well as stateful Cisco IOS Firewall support and many more essential security features
  • Voice
    • Analog and digital voice call support
    • Dedicated Extension Voice Module slot
    • Optional voice mail support
    • Optional support for Cisco CallManager Express (Cisco CME) for local call processing in stand alone business for up to48 IP Phones
    • Optional support for Survivable Remote Site Telephony support for local call processing in small enterprise branch offices for up to 48 IP phones

    Таблица 1: Основные характеристики маршрутизатора Cisco 2821

    Model

    Router Cisco 2821

    Built-in LAN Ports

    2 100/1000T

    Slots NME

    1

    Slots HWIC

    4

    Slots VWIC

    No

    Slots EVM

    1

    Slots PVDM

    3

    AIM sockets

    2

    DRAM, MB (std / max)

    256 / 1024

    Flash memory MB (std / max)

    64 / 128

    Temperature mode

    0 to 40°C

    Sizes, cm

    8,9 x 43,8 x 41,6

    The weight, kg

    11,4

 

 

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