Cisco 2821 Integrated Services Router, CISCO2821, Refurbished, Original

Model: CISCO2821
Cisco 2821 Integrated Services Router, CISCO2821, Refurbished, Original
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Quick Specs
SeriesCisco 2800Rack Units2RU
SoftwareCisco IOS IP BasePort Speed10/100/1000
Group OnConditionFlash128 MB
Min Operating Temp32°FMax Operating Temp104°F
Min Storage TempNegative 40°FMax Storage Temp158ºF
Operating Humidity5 - 95% (non-condensing)Storage Humidity5 - 95% (non-condensing)
BrandCiscoDRAM512 MB
Product Depth16.4 inProduct Height3.5 in
Product Width17.25 in

CISCO2821 | Cisco 2821 Integrated Services Router | 2 GE | 2 HWIC

The Cisco 2800 series is a range of modular routers that provide a range of features for small to medium-sized businesses and enterprise branch offices. It is a modular router that can be configured with a variety of different WAN and LAN interface modules to support a range of networking needs.

The Cisco 2800 series with its Advanced Security feature set provides a range of security features including firewall, intrusion prevention, IPsec VPN, SSL VPN, application inspection and control, SSH Protocol Version 2.0, and SNMPv3. These features can be used to secure a network and protect against various types of cyber threats, including malware, viruses, and unauthorized access.

The router supports the optional integrated call processing and voice mail support, high- density interfaces for the systems that require a wide range of connectivity requirements and adequate performance and slot density for further network expansion.

The Cisco IOS Software that powers the Cisco 2821 ISR includes support for a wide range of transport protocols, including Frame Relay, ATM, PPP, HDLC, and Ethernet. It also includes support for Quality-of-Service (QoS) tools such as IP Precedence and Differentiated Services to help ensure that mission-critical traffic is given priority over less important traffic.

CK Certified Badge


  • Support for a wide range of WAN and LAN connectivity options, including Ethernet, T1/E1, ISDN, and serial
  • Multiple integrated security features, including firewall, VPN, and intrusion prevention
  • Quality of Service (QoS) features
  • High-performance processors
  • Modular design
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