| Features |
| 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 |
Network Analysis Module |
SKUs associated with
respective Router Platform |
CISCO2821-AC-IP -- Integrated services router with AC power including power over ethernet distribution capability, 2GE, 1 NME-X, 1 EVM, 4 HWICs, 3 PVDM slots, 2 AIMs, and Cisco IOS IP Base Software |
dungtran@nettech.vn
