The Cisco ISR4321/K9 is an integral part of the Cisco Integrated Services Router (ISR) series, designed to provide exceptional networking capabilities for businesses and organizations. In this comprehensive guide, we will explore the features, benefits, and specifications of the Cisco ISR4321/K9 Integrated Service Router.
Key Features of Cisco ISR4321/K9- High-Performance Routing: The Cisco ISR4321/K9 is equipped with powerful routing capabilities, making it ideal for handling data traffic in a fast and efficient manner. It ensures that data is routed securely and reliably through the network.
- Versatile Port Configuration: With 2 ports, the ISR4321/K9 offers flexibility in connecting to various network devices. This router can be seamlessly integrated into your existing network infrastructure.
- Robust Security: Security is a top priority in the modern networking landscape. The ISR4321/K9 comes with advanced security features to protect your network from threats and vulnerabilities, making it a reliable choice for your business.
- Rack-Mountable and Wall Mountable: This router's design allows it to be mounted in a rack or on the wall, giving you flexibility in its placement. Whether you have limited space or a dedicated server room, the ISR4321/K9 can fit your needs.
- Scalability: The ISR4321/K9 is highly scalable with its 4 available slots for expansion. As your network grows, you can add more modules and interfaces without needing to replace the entire router.
- Secure Networking: Cisco is known for its commitment to security, and the ISR4321/K9 is no exception. It offers a range of security features to protect your network, including firewall and VPN support.
- Versatility: With its rack-mountable and wall-mountable design, this router can be installed in a variety of environments. Whether it's a small office or a large data center, the ISR4321/K9 is adaptable.
- Reliability: Cisco has a reputation for producing reliable networking equipment. The ISR4321/K9 is no exception, ensuring minimal downtime and consistent performance.
The Cisco ISR 4321 is a router designed for small and medium-sized businesses, enterprise branch offices, and service provider edge applications. It is equipped with 2 network interface slots and 4 service module slots, which can be used to add a variety of connectivity and service options. The router is powered by a dual-core Intel Xeon processor and has 2GB of RAM and 8GB of flash memory, making it capable of handling a wide range of routing, security, and data services applications. It also supports Cisco IOS XE software, which provides a flexible and scalable platform for implementing advanced routing and services functions.
High-performance Security RouterThe Cisco ISR 4321 is a high-performance router designed for small and medium-sized businesses, enterprise branch offices, and service provider edge applications. It is equipped with 2 network interface slots and 4 service module slots, which can be used to add a variety of connectivity and service options. The router is powered by a dual-core Intel Xeon processor and has 2GB of RAM and 8GB of flash memory, making it capable of handling a wide range of routing, security, and data services applications. It also supports Cisco IOS XE software, which provides a flexible and scalable platform for implementing advanced routing and services functions.
Quality of Service (QoS) Features of the ISR4321/K9 Cisco ISR 4321 RouterThe Cisco ISR4321/K9 is a security router that provides advanced routing and security services for small to medium-sized organizations. It also supports Quality of Service (QoS) features to help ensure that critical network traffic receives priority treatment over less important traffic.
Some of the QoS features available on the Cisco ISR4321/K9 include:
- Traffic classification and marking: The router can classify traffic based on a variety of criteria, such as source/destination IP address, protocol type, and port number. It can then mark traffic with a priority level, which is used to determine how the traffic should be treated by other QoS features.
- Congestion management: The router can use various congestion management techniques, such as queuing and scheduling, to ensure that high-priority traffic is transmitted before lower-priority traffic. This can help prevent network congestion and ensure that critical traffic is not delayed.
- Traffic shaping: The router can limit the amount of bandwidth that is available to certain types of traffic, ensuring that critical traffic always has enough bandwidth to meet its needs.
- Voice and video optimization: The router can prioritize voice and video traffic over other types of traffic. This can help ensure that real-time communication applications such as VoIP and video conferencing work smoothly and without interruption.
- These are just a few examples of the QoS features available on the Cisco ISR4321/K9. To configure and optimize QoS on your router, you should refer to the Cisco IOS Quality of Service Solutions Configuration Guide, which provides detailed instructions on how to configure QoS for various network scenarios.
- Manufacturer: Cisco
- Part Number or SKU # ISR4321/K9
- Product Series: 4000
- Product Model: 4321
- Product Name: 4321 Router
- Product Type: Router
- Total Number of Ports: 2
- USB: Yes
- Powerline: No
- Management Port: Yes
- Serial V.35 Interface: No
- Number of Network (RJ-45) Ports: 2
- Number of Total Expansion Slots: 4
- Expansion Slot Type: Smart Interface Card (SIC)
- Expansion Slot Type: Network Interface Module (NIM)
- Expansion Slot Type: SFP
- Network Technology: 10/100/1000Base-T
- Ethernet Technology: Gigabit Ethernet
- Security Features:
- ACL
- RADIUS
- AAA
- IPsec
- DMVPN
- Standard Memory: 4 GB
- Maximum Memory: 8 GB
- Memory Technology: DDR3 SDRAM
- Flash Memory: 4 GB
Power Description
- Input Voltage 230 V AC
- Input Voltage 120 V AC
- Power Source PoE
- Power Source Power Supply
- Redundant Power Supply No
In Summary, the Cisco ISR4321/K9 Integrated Service Router is a powerful and versatile networking solution for businesses and organizations. With its high-performance routing, security features, and flexibility in mounting options, it's an ideal choice for meeting the demands of modern networking. Whether you need a secure and scalable router for a small office or a data center, the ISR4321/K9 has you covered. Invest in the Cisco ISR4321/K9 for a dependable and efficient network infrastructure.
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