Product Overview

The Cisco 2921 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services for small offices.

Key features include:

3 Integrated 10/100/1000 Ethernet ports with 1 port capable of RJ-45 or SFP connectivity
1 service module slot
4 Enhanced High-Speed WAN Interface Card (EHWIC) slots
3 onboard digital signal processor slots
1 internal service module slot for application services
Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE

Security

Embedded hardware-accelerated VPN encryption
Secure collaborative communications with Group Encrypted Transport VPN, Dynamic Multipoint VPN, or Enhanced Easy VPN
Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
Identity management: Intelligently protecting endpoints using authentication, authorization, and accounting (AAA), and public key infrastructure

Voice

High-density packet voice DSP module, optimized for voice and video support
Standards-certified VoiceXML browser services
Cisco Unified Border Element capabilities
Cisco Unity Express voicemail support
Support for Cisco Communications Manager Express and Survivable Remote Site Telephony

General Specifications

Class-Based Weighted Fair Queuing (CBWFQ), Firewall protection, IPv6 support, MPLS support, NetFlow, Syslog support, VPN support, Web Services Management Agent (WSMA), Weighted Random Early Detection (WRED)
Form Factor (FE): Rack-mountable
Network Transport Protocol: IPSec, L2TPv3
Remote Management Protocol: RMON, SNMP, TR-069
Routing Protocol: BGP , Bidirectional Forwarding Detection (BFD), DVMRP, EIGRP, GRE, IGMPv3, IPv4-to-IPv6 Multicast, IS-IS, MPLS, OSPF, PIM-SM, PIM-SSM, Policy-based routing (PBR), Static IP routing, Static IPv4 routing , Static IPv6 routing
Status Indicators: Link activity , Power

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