Name: ISR4221/K9 Cisco 4221 Integrated Services Router Modular Gigabit
Brand: Cisco
SKU: ISR4221/K9
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (122 reviews)

Product Overview
The Cisco 4221 Integrated Services Router provides modular Gigabit Ethernet connectivity and integrated network services for branch office environments. It supports flexible interface configurations and runs Cisco IOS software, making it suitable for secure and adaptable network deployments.

General Information
Brand	Cisco

Technical Information
WAN Type	Ethernet
WAN Ports	2
LAN Ports	2
POE Support	No
Connector Type	RJ-45
RAM	2 GB
Flash / Storage	8 GB
SFP / SFP+ Ports	None
Built-in Modem	None
Management Interface	Web GUI, CLI (SSH/Telnet), REST API, SNMP, Netconf/YANG

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

Networking Features
VPN Support	IPSec, DMVPN, FlexVPN, GRE
SNMP Support	SNMPv3
QoS Support	Basic QoS, DSCP, MQC, Traffic Shaping, Traffic Policing
Firewall	Zone-Based
VLAN Support	Yes
Management Interfaces	Web GUI,CLI (SSH/Telnet),REST API,SNMP,Netconf/YANG

Physical Characteristics
Enclosure Type	Desktop or Wall-Mountable
Condition	Refurbished
Weight	3.00

Product Description
The Cisco 4221 Integrated Services Router (ISR4221/K9) is designed to deliver integrated networking services for small to medium-sized branch offices. It combines routing, security, and modular Gigabit Ethernet capabilities in a compact form factor. This router is typically deployed where secure, scalable, and flexible network connectivity is needed. IT administrators and network engineers often use the ISR4221/K9 to support branch office operations that require reliable WAN access and integrated network services. Key Features Modular Gigabit Ethernet interfaces for flexible connectivity options Integrated services functionality to consolidate network functions Compact design suitable for space-constrained environments Supports Cisco IOS software for advanced network control Scalable platform for evolving branch network requirements The Cisco 4221 router plays a central role in branch networking environments by combining essential routing and security services. Its modular design allows customization to specific network needs, helping to optimize infrastructure in distributed enterprise deployments.

Use Cases
The Cisco 4221 ISR is typically used in small to medium branch offices requiring reliable and secure connectivity. It fits environments where integrated routing and network services reduce hardware complexity while supporting evolving network demands. How It's Used: Deploying secure WAN connectivity for branch office networks Integrating routing with built-in network services to simplify infrastructure Providing modular Gigabit Ethernet interfaces to connect diverse network devices Supporting network segmentation and security policies in distributed sites Facilitating Cisco IOS software features for traffic management and control This router functions as a versatile network gateway that accommodates changing branch office needs. It streamlines deployment by combining multiple services in one platform while allowing interface customization through modular design.

FAQ's
What type of Ethernet interfaces does the ISR4221/K9 support? The ISR4221/K9 supports modular Gigabit Ethernet interfaces, allowing flexible network connectivity options based on deployment needs. Which Cisco software runs on the ISR4221/K9? This router runs Cisco IOS software, providing advanced routing and network services capabilities for branch deployments. Is the ISR4221/K9 suitable for small branch offices? Yes, it is designed for small to medium-sized branch offices needing integrated services and secure WAN connectivity. Can the ISR4221/K9 be used in space-constrained environments? Its compact design makes it appropriate for environments with limited rack or desktop space. Does the ISR4221/K9 support integrated security features? Yes, it provides integrated services that include secure connectivity options suitable for branch network security needs. How does modularity benefit the ISR4221/K9? Modularity allows customization of Ethernet interfaces, enabling the router to adapt to varying network requirements and device connections.