Name: ISR4331/K9 Cisco 4331 Integrated Services Router for Enterprise WAN
Brand: Cisco
SKU: ISR4331/K9
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (122 reviews)

Product Overview
The Cisco 4331 Integrated Services Router offers a modular and scalable platform combining routing, security, and application services. It is designed for enterprise branch offices, providing WAN connectivity with robust service integration, allowing IT teams to adapt network functions according to operational demands.

General Information
Brand	Cisco

Technical Information
WAN Ports	2
LAN Ports	4
POE Support	No
Connector Type	RJ45 (Gigabit Ethernet), SFP (1G), RJ45 Console, USB
RAM	4 GB
Flash / Storage	4 GB
SFP / SFP+ Ports	2
Built-in Modem	None
Management Interface	Web GUI, CLI (SSH/Telnet), REST API, SNMP, Netconf/YANG, Cisco DNA Center

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

Networking Features
VPN Support	IPSec, L2TP, DMVPN, FlexVPN, GRE
QoS Support	DSCP, MQC, Traffic Shaping, Traffic Policing
Firewall	Zone-Based
VLAN Support	Yes
Management Interfaces	Web GUI,CLI (SSH/Telnet),REST API,SNMP,Netconf/YANG,Cisco DNA Center

Physical Characteristics
Enclosure Type	Rack-Mountable 1U
Dimensions	1.75 x 17.5 x 16.5 in
Condition	Refurbished
Weight	3.00

Product Description
The Cisco 4331 Integrated Services Router (ISR4331/K9) is engineered to provide secure and scalable network connectivity for branch offices and enterprise environments. It integrates multiple services into a single platform, facilitating streamlined WAN deployments and enhanced network management. Typically used by network administrators and IT professionals, this router supports diverse applications ranging from secure data transmission to voice and video services, enabling efficient and centralized network operations. Key Features Integrated services support including security and application services. Modular design allows network expansion and customization. Optimized for branch office and enterprise WAN connectivity. Supports scalable performance to match varying workload demands. Designed for flexible deployment across multiple network scenarios. This router serves as a foundational network component, enabling organizations to consolidate services while maintaining control over network security and performance. Its modular architecture allows adaptation as networking requirements evolve.

Use Cases
The Cisco 4331 router is commonly deployed in branch office environments requiring integrated networking and security functions. It suits organizations needing reliable WAN connections with embedded services to support business-critical applications. How It's Used: Connecting enterprise branch offices to central data centers securely. Implementing integrated security features within WAN deployments. Supporting voice and video communication services over IP networks. Providing scalable network performance with modular expansion options. Facilitating application-aware networking to optimize traffic flow. Overall, this router helps organizations manage branch connectivity with integrated services, balancing performance and security in distributed network architectures without requiring multiple standalone devices.

FAQ's
What does the Cisco 4331 router support? The Cisco 4331 supports integrated routing, security, and application services, designed primarily for enterprise branch office networks and WAN connectivity. What is the significance of the K9 in ISR4331/K9? K9 indicates the router includes integrated security features such as encryption and firewall capabilities, which are standard for Cisco ISR models with these suffixes. Is the ISR4331 modular for expansion? Yes, the ISR4331 features a modular design allowing for flexible network expansion through additional interface modules and service cards. Where is the Cisco 4331 typically deployed? This router is typically deployed in branch office environments requiring secure WAN connectivity and integrated network services. Who generally uses the Cisco 4331 router? Network administrators and IT professionals in enterprises and service providers commonly use this router to manage branch network infrastructures. What types of services does the ISR4331 integrate? It integrates routing, security, voice, video, and application services within a consolidated platform to streamline network management.