Name: CISCO2921/K9 Cisco 2921 Router 3xGE 4xEHWIC 256MB CF 512MB DRAM
Brand: Cisco
SKU: CISCO2921/K9
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (122 reviews)

Product Overview
The CISCO2921/K9 Cisco 2921 Integrated Services Router offers a modular routing platform with three Gigabit Ethernet ports and support for four EHWIC slots. It incorporates three DSP modules for voice applications and provides 256MB of Compact Flash and 512MB of DRAM memory to support system operations and configurations.

General Information
Brand	Cisco

Technical Information
WAN Type	Ethernet
WAN Ports	1
LAN Ports	2
POE Support	No
Connector Type	RJ-45,Console (RJ-45),USB
RAM	512 MB
SFP / SFP+ Ports	None
Built-in Modem	None
Management Interface	Web GUI, CLI (SSH/Telnet), SNMP, Netconf/YANG

Routing & Protocols
Multi-WAN / Load Balancing	Yes
NAT Support	Yes
Routing Protocols	Static, RIP, RIPng, OSPF, OSPFv3, EIGRP, BGP, VRRP, HSRP, PIM-SM, PIM-DM, IGMP, MLD, Policy-Based Routing (PBR), Route Maps

Networking Features
VPN Support	IPSec, DMVPN, FlexVPN, GRE
SNMP Support	SNMPv3
QoS Support	Basic QoS, DSCP, Traffic Shaping, Traffic Policing
Firewall	Zone-Based
VLAN Support	Yes
Management Interfaces	Console (RJ-45),Aux (RJ-45),USB,Management Ethernet (RJ-45)

Physical Characteristics
Enclosure Type	Rack-Mountable 1U
Condition	Refurbished
Weight	3.00

Product Description
The CISCO2921/K9 Cisco 2921 Integrated Services Router is designed to provide versatile network connectivity and services for branch offices and enterprise environments. It supports multiple interface types and modular expansions to accommodate varying network requirements. This router is commonly used by network administrators and IT professionals seeking reliable routing and integrated services in a compact solution. Its modular design allows customization for specific WAN connectivity and voice functionalities. Key Features Three integrated Gigabit Ethernet ports for high-speed LAN connectivity Four slots for Enhanced High-Speed WAN Interface Cards (EHWIC) to expand WAN interface options Three DSP modules enabling voice and multimedia processing capabilities 256MB Compact Flash storage for system software and configurations 512MB DRAM to support multitasking and performance demands This router serves as a flexible platform for delivering routing, security, and voice services at branch locations. It supports diverse WAN connections and media types, allowing IT teams to tailor network deployments to organizational needs without additional hardware.

Use Cases
This Cisco 2921 router is typically deployed in branch office environments requiring integrated routing, voice, and WAN connectivity. It is suitable for networks that need modular interface options and support for digital signal processing. How It's Used: Connecting branch offices to corporate networks using multiple WAN interfaces Supporting voice over IP services through DSP module integration Providing LAN connectivity with built-in Gigabit Ethernet ports Enabling flexible network expansion with EHWIC slots for various interface cards Hosting network services requiring on-device storage with Compact Flash The CISCO2921/K9 router plays a central role in managing branch network traffic and services. It allows IT staff to deploy adaptable network architectures by leveraging its modularity and integrated voice capabilities.

FAQ's
What WAN interfaces does the CISCO2921/K9 support? The CISCO2921/K9 supports four Enhanced High-Speed WAN Interface Card (EHWIC) slots, allowing a variety of WAN interface types to be installed depending on network requirements. How much memory does the Cisco 2921 router have? This router includes 256MB of Compact Flash for storage and 512MB of DRAM for system memory, providing adequate resources for routing and integrated services. What is the purpose of the DSP modules in the CISCO2921/K9? The three Digital Signal Processor (DSP) modules enable voice and multimedia processing, supporting voice over IP and other related applications on the router. How many Gigabit Ethernet ports are included? The router features three integrated Gigabit Ethernet ports, which provide high-speed LAN connectivity for connected devices and networks. Can the CISCO2921/K9 be expanded for additional interfaces? Yes, the router has four EHWIC slots, allowing for modular expansion with various interface cards to meet different WAN and network connectivity needs. Is the CISCO2921/K9 suitable for branch office deployments? Yes, it is designed for branch offices that require integrated routing, voice, and flexible WAN connectivity options in a single modular platform.