Cisco Systems manual Cisco 4000 Series Memory Systems and Software Images

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Memory Systems

when Flash memory does not contain a valid system image. In the Cisco 4500-M and 4700-M, the ROM monitor allows you to boot a system image from Flash memory if a boot helper image is not present in boot Flash memory.

The differences between the memory systems in the Cisco 4000 series allows enhanced software upgradability in the Cisco 4500-M and Cisco 4700-M.

Note See the appendixes “Cisco 4000 Series Virtual Configuration Register,”

“Cisco 4000-M ROM Monitor,” and “Cisco 4500-M and Cisco 4700-M ROM Monitor” for more information on the ROM Monitor.

Figure 1-2 Cisco 4000 Series Memory Systems and Software Images

Cisco 4000 and Cisco 4000-M

EPROM-based

Flash-memory based

 

 

 

 

Boot helper

 

 

 

 

(xboot)

 

 

Cisco IOS

 

 

 

 

 

ROM monitor

 

 

 

 

 

 

 

 

 

Cisco 4500, Cisco 4500-M, Cisco 4700, and Cisco 4700-M

EPROM-based

Flash-memory based

 

 

 

 

 

 

 

ROM monitor

 

Boot helper

 

Cisco IOS

 

 

(xboot)

 

H3537

 

 

 

 

 

 

 

 

 

1-10Cisco 4000 Series Installation Guide

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Contents Overview of the Cisco Series Routers 1shows the front panel of a Cisco 4000 series router H3590 Series Specifications Series SpecificationsInterface Options Port Options Part Numbers NP-1HSSI=Series Specifications System Specifications Description Software CompatibilityMinimum Software Release Version 8Cisco 4000 Series Installation Guide Memory Systems Cisco 4000 Series Processor and Memory SpecificationsDescription Cisco 4000-M Cisco 4500-M Cisco 4700-M Cisco 4000 Series Memory Systems and Software Images Memory Requirements in the Cisco 4000 Series Shared Memory RequirementsPer-Module Shared Cisco 4500-M and Cisco 4700-M Shared Memory RequirementsNetwork Processor Module Memory Requirements Main Memory Requirements Cisco RPS Front Panel Cisco RPS SupportCisco RPS Rear Panel Quasi-Redundant Configuration Quasi-Redundant PowerOverview Fully Redundant Power Fully Redundant ConfigurationRPS Features 18Cisco 4000 Series Installation Guide
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4000 specifications

Cisco Systems 4000 Series routers are a robust and versatile line of devices designed to meet the demands of modern enterprise networks. These routers are tailored for high performance and scalability, making them suitable for both branch offices and data centers. The 4000 Series introduces a wide array of features and technologies aimed at enhancing connectivity, security, and operational efficiency.

At its core, the Cisco 4000 Series provides advanced routing capabilities with support for a variety of routing protocols. This versatility enables businesses to seamlessly integrate with existing network infrastructures while setting the stage for future growth. The routers support both traditional WAN connectivity and modern software-defined WAN (SD-WAN), allowing businesses to utilize a mix of technologies according to their needs.

One of the standout features of the 4000 Series is its advanced security capabilities. Integrated security features help protect the network from threats while ensuring compliance with various regulatory requirements. Cisco's security technology includes built-in firewall capabilities, intrusion prevention systems (IPS), and encrypted traffic analysis, helping to safeguard sensitive data as it traverses the network.

The Cisco 4000 Series routers also excel in their support for virtualization technologies. With the capability to run multiple virtual machines and services concurrently, businesses can optimize resource usage and reduce hardware costs. This virtualization capability is facilitated by Cisco's Integrated Services Router (ISR) architecture, allowing for the efficient deployment of applications such as unified communications, collaboration tools, and cloud services.

In terms of performance, the 4000 Series routers are equipped with high-performance multi-core processors that provide significant throughput and low latency. This efficient processing power ensures that they can handle large amounts of data traffic, making them ideal for bandwidth-intensive applications like video conferencing and cloud computing.

Management and monitoring of Cisco 4000 Series routers are streamlined through Cisco DNA Center, which offers a centralized platform for automation, analytics, and assurance. This platform allows IT teams to automate network provisioning and monitoring, thus reducing the complexity associated with managing modern networks.

In summary, Cisco Systems 4000 Series routers represent a powerful solution for businesses seeking to modernize their network infrastructure. With features such as advanced routing and security, virtualization support, and enhanced management capabilities, these routers are designed to adapt to the evolving needs of enterprises in an increasingly digital world.