Description
Cisco ISR4221/K9 Router: A Comprehensive Overview of Features and Functionality
The Cisco ISR4221/K9 ISR 2 Port router is a powerful networking device designed to meet the demands of modern businesses. In this detailed guide, we will explore its key features, specifications, and functionality, providing a comprehensive understanding of what sets this router apart in the market.
Key FeaturesSystem Throughput
The ISR4221/K9 router boasts an impressive system throughput ranging from 35Mbps to 75Mbps. This indicates its capability to efficiently process and transfer data, making it suitable for a wide range of network applications.
Port Configuration
With 2 WAN/LAN ports, the ISR4221/K9 ensures versatile connectivity options. These ports support both Wide Area Network (WAN) and Local Area Network (LAN) configurations, allowing for seamless integration into various network architectures.
Small Form-Factor Pluggable (SFP) Port
The inclusion of a Small Form-Factor plugable (SFP) port enhances the router’s flexibility. SFP ports accommodate a variety of optical and copper transceivers, enabling the integration of different networking technologies and extending the reach of the network.
Multi-Core CPU
At the heart of the ISR4221/K9 router lies a multi-core CPU, a critical component that contributes to its high-performance capabilities. The multi-core architecture ensures efficient processing of data, enabling the router to handle complex networking tasks with ease.
Ethernet Routing
The ISR4221/K9 excels in Ethernet routing, facilitating the seamless transfer of data packets across the network. This capability is crucial for ensuring efficient and reliable communication between devices connected to the network.
SpecificationsModel: ISR4221/K9
- The model designation provides a unique identifier for this specific router, making it easy to distinguish within the Cisco product lineup.
Ports
- WAN/LAN Ports: 2
- SFP Port: 1
- The port configuration highlights the router’s adaptability to different networking scenarios, accommodating both wide and local area connectivity.
System Throughput
- Range: 35Mbps-75Mbps
- The specified system throughput range indicates the router’s capacity to handle data transfer, ensuring optimal performance under varying network loads.
CPU
- Multi-Core
- The presence of a multi-core CPU underscores the router’s processing power, enabling it to handle concurrent tasks efficiently.
FunctionalityNetwork Connectivity
The ISR4221/K9 router plays a pivotal role in establishing and maintaining network connectivity. Its 2 WAN/LAN ports allow for the creation of a flexible and scalable network infrastructure, catering to the diverse connectivity needs of modern businesses.
Versatile SFP Port
The inclusion of an SFP port enhances the router’s versatility by supporting a wide range of transceivers. This flexibility is particularly advantageous in scenarios where specific networking technologies or extended reach is required.
High-Performance Processing
Powered by a multi-core CPU, the router excels in high-performance processing. This is crucial for handling the increasing demands of modern networks, including data-intensive applications and seamless communication between connected devices.
Efficient Ethernet Routing
The ISR4221/K9’s proficiency in Ethernet routing ensures that data packets are transferred efficiently across the network. This capability is fundamental to the router’s role in facilitating communication between devices within the network.
ApplicationsSmall to Medium-sized Businesses (SMBs)
- The ISR4221/K9 router is well-suited for SMBs looking for a reliable and scalable networking solution. Its dual WAN/LAN ports provide the flexibility required for growing businesses, while the SFP port allows for diverse connectivity options.
Remote Office Connectivity
- With its compact design and versatile port configuration, the router is an ideal choice for establishing secure and efficient connectivity in remote office environments. The multi-core CPU ensures reliable performance, even in locations with varying network demands.
Branch Office Networking
- The ISR4221/K9 router’s capabilities make it a valuable asset for branch office networking. Its dual WAN/LAN ports support the establishment of robust and resilient connections, while the SFP port facilitates the integration of diverse networking technologies.
General Information about this Cisco ISR4221/K9
- Manufacturer: Cisco
- Model Number or SKU# ISR4221/K9
- Product Series: 4000
- Product Type: Ethernet Router
Interfaces / Ports of 2 Ports Router
- Total Number of Ports 2
- Management Port: Yes
- Carrier Supported T-carrier/E-carrier
I/O Expansions for SFP 2 Ports Router
- Number of Total Expansion Slots: 3
- Network Technology: 1000Base-T
- Ethernet Technology: Gigabit Ethernet
Networking of 4000 Series Router
- Connectivity Technology: Wired
- Modular: Modular
- Form Factor: Rack-mountable
- WAN Ports Qty: 2
Features
- Access Control List (ACL) support, Class-Based Weighted Fair Queuing (CBWFQ), IPFIX, IPv6 support, NetFlow, Quality of Service (QoS), RADIUS support, Syslog support, VLAN support, VPN support, Wall mountable, Weighted Random Early Detection (WRED)
Routing Protocol
- BGP, DVMRP, EIGRP, GRE, IGMPv3, IPv4-to-IPv6 Multicast, IS-IS, OSPF, PIM-SM, PIM-SSM, Policy-based routing (PBR), RIP-1, RIP-2, Static IPv4 routing, Static IPv6 routing
- Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
- Remote Management Protocol: RMON, SNMP
- Network Transport Protocol: DHCP, IPSec, PPPoE
RAM
- Installed Size: 4 GB
- Max Supported Size: 4 GB
- Technology: DDR3 SDRAM
Miscellaneous
- Rack Mounting Kit: Included
- Compliant Standards: AS/NZS 3548 Class A, AS/NZS 60950-1, CAN/CSA C22.2 No. 60950-1, CISPR 22 Class A, CISPR 24, CNS 13438, CS-03, EN 60950-1, EN 61000, EN300-386, EN50082-1, EN55022 Class A, EN55024, FCC CFR47 Part 15, GB 4943, ICES-003 Class A, IEC 60950-1, KN22, KN24, R&TTE, UL 60950-1, VCCI V-3
- MTBF: 593270 hours
- Height (Rack Units): 1
- Color Category: Black
In summary, the Cisco ISR4221/K9 ISR router stands out as a versatile and high-performance networking solution. With features like dual WAN/LAN ports, an SFP port, a multi-core CPU, and efficient Ethernet routing, it addresses the connectivity and processing needs of modern businesses. Whether deployed in small to medium-sized businesses, remote offices, or branch locations, this router offers a reliable foundation for building secure and scalable networks.
