Chapter 21 Upgrading, Downgrading, and Installing System Images

Installing System Images

Recovering the Application Partition Image

To recover the application partition image, follow these steps:

Step 1 Download the recovery partition image file to an FTP, HTTP, or HTTPS server that is accessible from your sensor.

Step 2 Log in to the CLI using an account with administrator privileges.

Step 3 Enter configuration mode.

sensor# configure terminal

Step 4 Recover the application partition image.

sensor(config)# recover application-partition

Warning: Executing this command will stop all applications and re-image the node to version 7.1(x)E4. All configuration changes except for network settings will be reset to default.

Continue with recovery? []:

Step 5 Enter yes to continue. Shutdown begins immediately after you execute the recover command. Shutdown can take a while, and you will still have access to the CLI, but access will be terminated without warning.

The application partition is reimaged using the image stored on the recovery partition. You must now initialize the sensor with the setup command.The IP address, netmask, access lists, time zone, and offset are saved and applied to the reimaged application partition. If you executed the recover application-partitioncommand remotely, you can SSH to the sensor with the default username and password (cisco/cisco) and then initialize the sensor again with the setup command. You cannot use Telnet until you initialize the sensor because Telnet is disabled by default.

For More Information

•For more information about TFTP servers, see TFTP Servers, page 21-15.

•For the procedure for locating software on Cisco.com, see Obtaining Cisco IPS Software, page 20-1.

•For the procedure for using the setup command to initialize the sensor, see Basic Sensor Setup, page 2-4.

•For the procedure for upgrading the recovery partition to the most recent version, see Upgrading the Recovery Partition, page 21-7.

Installing System Images

Caution All user configuration settings are lost when you install the system image. Before trying to recover the sensor by installing the system image, try to recover by using the recover application-partitioncommand or by selecting the recovery partition during sensor bootup.

This section contains the procedures for installing system images on the appliances and modules. It contains the following topics:

•ROMMON, page 21-15

•TFTP Servers, page 21-15

•Connecting an Appliance to a Terminal Server, page 21-15

 

Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

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IPS4510K9 specifications

Cisco Systems has long been a leading player in network security, and its IPS (Intrusion Prevention System) series is a testament to its commitment to safeguarding digital environments. Among its notable offerings are the IPS4510K9 and IPS4520K9 models, both designed to provide advanced threat protection for mid-sized to large enterprise networks.

The Cisco IPS4510K9 and IPS4520K9 are distinguished by their cutting-edge features that help organizations defend against a myriad of cyber threats. These systems utilize a multi-layered approach to security, integrating intrusion prevention, advanced malware protection, and comprehensive visibility across the network.

One of the primary characteristics of the IPS4510K9 is its high performance. It boasts a throughput of up to 1 Gbps, making it suitable for environments that demand rapid data processing and real-time responses to threats. The IPS4520K9, on the other hand, enhances that capability with improved throughput of up to 2 Gbps, accommodating larger enterprises with heavier network traffic. These models are equipped with powerful processors that support complex signature matching and can intelligently distinguish between legitimate traffic and potential threats.

In addition to performance, both models are designed with scalability in mind. They can be easily integrated into existing Cisco infrastructures. This facilitates a seamless enhancement of security without causing significant interruptions to ongoing operations. Moreover, they offer flexible deployment options, allowing organizations to operate them inline or out of band depending on their specific needs.

The Cisco IPS4510K9 and IPS4520K9 leverage advanced detection technologies, utilizing a variety of signature types and heuristic analysis to detect known and unknown threats effectively. They are equipped with real-time alerting and reporting capabilities, giving security teams immediate visibility into potential breaches and enabling them to respond swiftly.

Furthermore, both models support a range of management options through the Cisco Security Manager, allowing for centralized administration, streamlined policy management, and enhanced monitoring capabilities. Automated updates ensure the systems remain current with the latest threat intelligence, vital for staying ahead of evolving cyber threats.

In summary, the Cisco Systems IPS4510K9 and IPS4520K9 represent powerful solutions for organizations seeking robust intrusion prevention capabilities. With their high performance, scalability, and advanced detection technologies, these systems are essential tools in the ever-changing landscape of cybersecurity, providing enterprises with the peace of mind needed to operate securely in today's digital world.
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