used CISCO2821 cisco router

used cisco router CISCO2821.
Switching Network Module 1 NM, NME, or NME-X
Specifications
CISCO2821
2821 w/ AC PWR,2GE,4HWICs,3PVDM,1NME-X, 2AIM,IPBASE,128F/512D
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CISCO2821

CISCO2821
Feature:
Form Factor
2 RU
Integrated Routed/WAN Ethernet
2 10/100/1000
10/100 Ethernet Switch Ports
Up to 40
Broadband WAN Support
Optional ADSL and G.SHDSL HWICs, DOCSIS 2.0 HWICs, and 3G HWIC
ISDN Ports
BRI or PRI (optional)
Analog Modem Ports
WIC or Network Module (optional)
Interface Card Slots
4 HWIC/WIC/VIC/VWIC
Network Module Slots
1
Extension Voice Module (EVM) Slot
1
AIM Slots
2
USB Ports
2 (v1.1)
Embedded Crypto Processor
Yes
Default/Max Flash
64/256 MB
Default/Max SDRAM
256/1024 MB
Gigabit Ethernet, SFP Port
Optional (HWIC)
Cisco Router and Security
Device Manager(SDM)
Yes
Routing and Multicast
IPv4 Routing Protocols
RIP v1/v2, EIGRP, OSPF,BGP, PBR, and PfR
Multicast Routing Protocols
PIM-SM, mroute (static route), and MLD
IPv6 Routing Protocols
EIGRP, RIPng, OSPFv3, IS-IS, and PBR
Advanced Security
IPSec and SSL VPN
Yes, requires Advanced Security and up Cisco IOS Image
VPN Technologies
DM-VPN, GET VPN, V3PN, with GRE, Easy VPN, and Cisco IOS SSL VPN
Stateful Firewall
Yes, requires Advanced Security and up Cisco IOS Image
OS Inline Prevention System (IPS)
Yes, requires Advanced Security and up Cisco IOS Image
URL Filtering
Yes
Security Modules
IPS AIM accelerates inline IPS; NAC Appliance Module enforces security policy compliance
Voice Support
DSP (PVDM) Slots on Motherboard
3
Survivable Remote Site Telephony (SRST)
Yes, up to 48 users
Cisco Unified Communications
Manager Express
Yes, up to 48 users
Cisco Unity Express
Yes, up to 250 mailboxes
Unified Messaging Gateway
Yes
Digital Voice
Yes, up to 128 calls
Analog Voice
Yes, up to 52 FXS, 36 FXO ports
Local Conferencing and Transcoding
Yes, use PVDMs
Wireless LAN
Integrated 802.11 b/g Access Point
HWIC (optional)
Integrated 802.11 a/b/g Access Point
HWIC (optional)
RP-TNC Connectors for Field-replaceable
Optional High-gain Antennas
Yes
Diversity (Dual) Antennas
Yes
Wireless LAN Controller Module
6, 8, 12 802.11a/b/g/n AP controller
Wireless WAN
3G Cellular
HWIC (optional)
Satellite
Network Module (optional)
Integrated Switching
PoE Support and Wattage Required
Yes, 240W
Switching Network Module
1 NM, NME, or NME-X
Application Services
Application Acceleration/
WAN Optimization
WAAS Module
Application Oriented Networking (AON)
AON Module
Digital Media Delivery
ACNS Network Module
Network Performance Analysis