ISR4351-SEC/K9 Cisco ISR 4351 Series 3 Ports Router Refurbished

The Cisco ISR4351-SEC/K9, a part of the ISR 4351 Series, stands tall as a robust and versatile integrated service router. With 3 ports, 10 expansion slots, Gigabit Ethernet support, and a rack-mountable design, this router delivers a powerhouse solution for networking needs. In this comprehensive guide, we'll explore the technical specifics, capabilities, and practical applications of the Cisco ISR4351-SEC/K9, uncovering its pivotal role in modern networking infrastructures.

Belonging to the renowned ISR 4351 Series, recognized for its reliability and efficiency, the Cisco ISR4351-SEC/K9 offers a multitude of features tailored for diverse networking requirements. Operating as an integrated service router, it boasts 3 ports, 10 expansion slots, Gigabit Ethernet support, and a rack-mountable design, catering to a spectrum of networking needs with its versatility and power.

The Cisco ISR4351-SEC/K9 showcases a robust design featuring 3 ports that serve as the gateway for connecting various devices within a network. Despite its compact size, this router efficiently manages connectivity, making it suitable for environments where space is limited. The 3 ports act as pivotal connection points, ensuring seamless communication within the network.

With 10 expansion slots, the Cisco ISR4351-SEC/K9 offers unparalleled scalability. These slots provide the flexibility to accommodate additional modules or features, allowing the router to adapt to evolving networking requirements without the need for a complete overhaul. This scalability ensures future readiness, making the router a strategic investment for businesses aiming for long-term efficiency.

Equipped with Gigabit Ethernet support, the Cisco ISR4351-SEC/K9 enables rapid data transfer across the network. Gigabit Ethernet facilitates data transmission at speeds up to 1 gigabit per second, ensuring swift and reliable communication between network devices. This capability is fundamental for supporting bandwidth-intensive applications, ensuring seamless data flow within the network infrastructure.

The Cisco ISR4351-SEC/K9 is designed to be rack-mountable, enabling space optimization in networking environments. This feature allows for easy installation within standard racks, optimizing space utilization in data centers or network closets. The rack-mountable design facilitates organized cable management and centralized control and maintenance of networking equipment, contributing to an efficient and accessible infrastructure.

Operating as an integrated service router, the Cisco ISR4351-SEC/K9 offers advanced capabilities that extend beyond traditional routing functions. It includes integrated services such as security, WAN (Wide Area Network) optimization, and application visibility and control. These integrated services consolidate multiple functions into a single platform, simplifying network management and reducing the need for separate devices.

Performance of Router

The Cisco ISR 4351 Series 3 Ports Router (ISR4351-SEC/K9) is a high-performance router designed for small to medium-sized businesses and enterprise branch offices. It provides a range of features and capabilities to support the needs of these environments, including:

• High-speed routing and switching performance: This Product has a forwarding rate of up to 3 Gbps, making it suitable for handling large amounts of traffic. It also supports a variety of routing protocols, including OSPF, BGP, and EIGRP, to provide efficient and reliable network routing.
• Advanced security features: This Product comes with built-in security features, including Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, and Cisco IOS Intrusion Prevention System (IPS), to protect against network threats. It also supports advanced VPN capabilities, including Cisco AnyConnect and IPsec, to provide secure remote access to the network.
• Integrated wireless capabilities: This Item has an integrated wireless controller, which allows it to manage and control up to 50 wireless access points. This makes it easy to add wireless connectivity to your network without the need for an additional device.
• Multi-cloud and SD-WAN support: This Product supports multi-cloud and SD-WAN capabilities, which allow it to securely connect to cloud services and optimize network traffic for improved performance. This makes it suitable for environments that rely heavily on cloud services and need to ensure fast and secure connectivity.
• Flexible connectivity options: The ISR4351-SEC/K9 has three Gigabit Ethernet ports, which provide flexible connectivity options for connecting devices and other network components. It also supports various WAN technologies, including DSL, cable, and LTE, to provide a range of connectivity options for different environments.

The Cisco ISR 4351-SEC/K9 is a highly reliable router that is part of the Cisco ISR 4351 series. This series of routers is designed for small to medium-sized businesses and branch offices and is known for its high level of reliability and performance.

One of the key features of the Cisco ISR 4351-SEC/K9 is its ability to provide multiple security features such as firewall, VPN, intrusion prevention, and advanced threat protection. This allows the router to protect your network against various types of cyber threats, while also providing a high level of network security.

Additionally, the ISR 4351-SEC/K9 has a number of redundancy features to ensure that the router can continue to operate even if one component fails. This includes hardware redundancy for the power supply, fans, and routing engine, as well as software redundancy for routing protocols and control planes.

Furthermore, the ISR 4351-SEC/K9 is built with high-quality components and has undergone extensive testing to ensure that it can operate in a wide range of environments. This includes temperature, humidity, and vibration testing, as well as comprehensive life cycle testing.

In summary, the Cisco ISR 4351-SEC/K9 is a highly reliable router that provides advanced security features, and redundancy mechanisms and is tested in multiple environment conditions to ensure that it can operate under a wide range of conditions. This makes it a great option for businesses and branch offices looking for a high-performance, secure, and reliable router.

The Cisco ISR 4351 is a high-performance, rack-mountable router designed for small and medium-sized businesses, enterprise branches, and service providers. It offers 3 ports and supports a variety of different interfaces, including Gigabit Ethernet, T1/E1, and VDSL/ADSL.

One of the key features of the ISR 4351 is its advanced security capabilities, including built-in firewalls, VPNs, and intrusion prevention. This makes it an ideal choice for organizations that need to protect their networks from cyber threats.

The router also supports Cisco's IOS XE software, which allows for flexible deployment options and easy management. It also supports Cisco's Application Visibility and Control (AVC) feature, which allows for granular visibility and control of applications running on the network.

In terms of performance, the ISR 4351 offers up to 1 Gbps of throughput and can support up to 500 users. It also includes a variety of different routing protocols, including OSPF, BGP, and EIGRP.

• Manufacturer: Cisco
• Part Number or SKU# ISR4351-SEC/K9
• Product Series: 4000
• Product Model: 4351
• Product Type: Router

• Total Number of Ports 3
• USB Yes
• Powerline No
• Management Port Yes
• Token Ring Port No
• Number of Network (RJ-45) Ports 3

• Number of Total Expansion Slots 10
• Expansion Slot Type SFP
• Expansion Slot Type Network Interface Module (NIM)
• Expansion Slot Type Service Module
• Expansion Slot Type Integrated Services Card (ISC)

• Network Technology 10/100/1000Base-T
• Ethernet Technology Gigabit Ethernet
• VoIP Supported Yes

• Standard Memory 4 GB
• Maximum Memory 16 GB
• Memory Technology DRAM
• Flash Memory 4 GB

• PoE (RJ-45) Port No
• Input Voltage 230 V AC
• Input Voltage 120 V AC
• Power Source PoE
• Power Source Power Supply

Miscellaneous

• Certifications & Standards:
• Safety-
• UL 60950-1
• CAN/CSA C22.2 No. 60950-1
• EN 60950-1
• AS/NZS 60950-1
• IEC 60950-1
• GB-4943
• EMC-
• 47 CFR, Part 15
• ICES-003 Class A
• EN55022 Class A
• CISPR22 Class A
• AS/NZS 3548 Class A
• VCCI V-3
• CNS 13438
• EN 300-386
• EN 61000 (Immunity)
• EN 55024, CISPR 24
• EN50082-1
• KN22, KN24
• Telecom-
• TIA-968-B
• CS-03
• ANSI T1.101
• ITU-T G.823, G.824
• IEEE 802.3
• RTTE Directive

In summary, the Cisco ISR4351-SEC/K9 ISR 4351 Series Integrated Service Router emerges as a powerhouse solution for diverse networking needs. With its compact yet robust design, expansion slots, Gigabit Ethernet support, rack-mountable design, and integrated service router capabilities, this router caters to the demands of modern networking infrastructures. Whether it's facilitating high-speed data transfer, ensuring scalability, optimizing space utilization, or integrating multiple services into a single platform, the Cisco ISR4351-SEC/K9 epitomizes Cisco's commitment to delivering cutting-edge networking technology. As businesses navigate the complexities of modern connectivity, investing in a router of this caliber becomes integral to establishing a resilient, scalable, and efficient network infrastructure.