 Used Cisco 2821 Integrated Services Router
Part # CISCO2821
 Product Description: 64-256 Flash Memory, 256-1000 DRAM Memory, Two
10/100/1000BaseT, Three PVDM, One Network Module Slot, Four HWIC
Slots, Two AIM Slots.
The Cisco 2821 Integrated Services Router is part of the Cisco 2800
Integrated Services Router Series and provides the following
support:
- Wire-speed performance for concurrent services such as
security and voice, and advanced services to multiple T1/E1/xDSL
WAN
- 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.
Other Related Used Cisco 2800 Series Routers &
Accessories:
Cisco 2800 Series
Integrated Services Routers
Cisco
2800 Series Network Modules
Cisco 2800 Series Cables and
Power Supplies
Cisco 2800 Series WAN Interface
Cards (WICs)
Cisco 2800 Series High-Speed
WAN Interface Cards
Cisco 2800 Series Voice WAN
Interface Cards (VWICs)
Cisco 2800 Series Voice Interface
Cards (VICs)
 Cisco
2800 Series Integrated Services Routers
Network
Security Features on the Cisco Integrated Services Routers
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