About the product
The Cisco 2851 Integrated Services Router is part of the Cisco 2800 Integrated Services Router Series which complements the Integrated Services Router Portfolio.The Cisco 2851 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) , supports the 36-port Cisco EtherSwitch module (NMD-36ESW)
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 for local call processing in stand alone business for up to 96 IP Phones
Optional support for Survivable Remote Site Telephony support for local call processing in small enterprise branch offices for up to 96 IP phones.
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) , supports the 36-port Cisco EtherSwitch module (NMD-36ESW)
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 for local call processing in stand alone business for up to 96 IP Phones
Optional support for Survivable Remote Site Telephony support for local call processing in small enterprise branch offices for up to 96 IP phones.
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