Name: ISR4351-SEC/K9 Cisco 4351 Router Security Bundle 3xGE/SFP 3xNIM
Brand: Cisco
SKU: ISR4351-SEC/K9
Price: 424.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The ISR4351-SEC/K9 Cisco 4351 Integrated Services Router provides a security bundle integrated into a versatile routing platform. It incorporates three Gigabit Ethernet/SFP ports, three Network Interface Module slots, and two service module slots, backed by 4GB DRAM and 4GB flash memory, delivering adaptable network connectivity and security for enterprise branch deployments.

General Information
Brand	Cisco

Technical Information
WAN Type	Ethernet
WAN Ports	1
LAN Ports	4
POE Support	No
Connector Type	RJ-45,SFP
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

Routing & Protocols
Multi-WAN / Load Balancing	Yes
NAT Support	Yes
Routing Protocols	Static, RIP, RIPng, OSPF, OSPFv3, EIGRP, BGP, VRRP, HSRP, PIM-SM, IGMP, 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),SNMP,Netconf/YANG,REST API

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

Product Description
The Cisco ISR4351-SEC/K9 is an Integrated Services Router designed to deliver network services with a built-in security bundle. It is commonly deployed in enterprise branch offices and medium-sized networks where secure and scalable routing is required. Network administrators and IT professionals benefit from its modular design and comprehensive security features. Featuring three Gigabit Ethernet/SFP combo ports along with three Network Interface Module (NIM) slots, the router offers flexible connectivity options. It includes two service module (SM) slots and is equipped with 4GB of DRAM and 4GB of flash memory to support complex configurations and secure data storage. Key Features Integrated security bundle for enhanced network protection Three Gigabit Ethernet/SFP combo ports for versatile network connections Three Network Interface Module slots supporting modular expansion Two service module slots for added functionality 4GB DRAM and 4GB flash memory for system performance and storage This router plays a critical role in securing and managing network traffic at branch locations. Its modular architecture allows organizations to tailor the device to specific operational requirements, providing a balanced combination of routing, security, and connectivity features for complex network environments.

Use Cases
The Cisco ISR4351-SEC/K9 router is typically used in enterprise branch offices and medium-sized networks where integrated routing and security are required. It supports modular expansion and flexible interface options, making it suitable for environments with diverse network connectivity demands and security needs. How It's Used: Deploying secure branch office connectivity with integrated security features Expanding network interfaces through NIM slots for additional WAN or LAN connections Utilizing Gigabit Ethernet and SFP ports for flexible fiber and copper connections Supporting service modules for enhanced networking capabilities like voice or WAN optimization Managing medium-scale enterprise network traffic with appropriate memory resources In operation, this router provides a consolidated platform for routing and security functions, helping organizations maintain network segmentation and consistent policy enforcement while accommodating future interface and service expansions.

FAQ's
What interfaces are included on the ISR4351-SEC/K9? The router includes three Gigabit Ethernet/SFP combo ports, three Network Interface Module slots, and two service module slots for flexible connectivity options. How much memory does the Cisco ISR4351-SEC/K9 have? This model is equipped with 4GB of DRAM for system operations and 4GB of flash memory for storage. What does the security bundle in ISR4351-SEC/K9 include? The security bundle integrates routing capabilities with built-in security functions, although specific security feature details are not provided in the supplied information. Can the ISR4351-SEC/K9 support fiber connections? Yes, the included Gigabit Ethernet ports support SFP modules, allowing fiber optic connectivity. What is the role of NIM and service module slots on this router? Network Interface Module (NIM) slots allow modular interface expansion, while service module slots support additional service functionality such as voice or WAN optimization modules. Is the ISR4351-SEC/K9 suitable for branch office deployment? Yes, it is designed for enterprise branch office environments requiring integrated routing and security with modular expansion capabilities.