The Cisco 2851 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, 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 2851 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 wired and wireless connectivity requirements; and sufficient performance and slot density for future network expansion requirements and advanced applications.
|Number of Total Expansion Slots||12|
|Frequency Band||Cisco 2800 ADVANCED IP SERVICES (S28NAISK9-12409T)DES/3DES/AES/SSL VPN Encryption/Compression (AIM-VPN/SSL-2)Feat Lic Survivable Remote Site Telephony Up To 50 Users (FL-SRST-50)Feature License IOS SSL VPN Up To 10 Users (Incremental) (FL-WEBVPN-10-K9)|
|Management||SNMP v3 QoS VLAN Cisco Router and Security Device Manager (SDM)|
|Number of Network (RJ-45) Ports||2|
|Compatible Rack Unit||2U|
|Total Number of Ports||2|
|Number of Network Ports||2|
|Network Architecture Supported||Yes Ethernet (10/100/1000 Mbps)|
|Dimensions||3.50" Height x 17.25" Width x 16.40" Depth|
|Installed Main Memory||512 MB|
|Installed Flash Memory||256 MB|
|Interfaces||1 x Console Management|1 x Auxiliary Management|2 x USB 1.1|2 x RJ-45 10/100/1000Base-T LAN|
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