Chapter 4 Configuring Interfaces

Understanding Interfaces

–You can only configure interfaces that are capable of TCP resets as alternate TCP reset interfaces.

Note There is only one sensing interface on the ASA IPS modules (ASA 5500-X IPS SSP and ASA 5585-X IPS SSP), so you cannot designate an alternate TCP reset interface.

•VLAN Groups

–You can configure any single interface for promiscuous, inline interface pair, or inline VLAN pair mode, but no combination of these modes is allowed.

–You cannot add a VLAN to more than one group on each interface.

–You cannot add a VLAN group to multiple virtual sensors.

–An interface can have no more than 255 user-defined VLAN groups.

–When you pair a physical interface, you cannot subdivide it; you can subdivide the pair.

–You can use a VLAN on multiple interfaces; however, you receive a warning for this configuration.

–You can assign a virtual sensor to any combination of one or more physical interfaces and inline VLAN pairs, subdivided or not.

–You can subdivide both physical and logical interfaces into VLAN groups.

–The CLI, IDM, and IME prompt you to remove any dangling references. You can leave the dangling references and continue editing the configuration.

–The CLI, IDM, and IME do not allow configuration changes in Analysis Engine that conflict with the interface configuration.

–The CLI allows configuration changes in the interface configuration that cause conflicts in the Analysis Engine configuration. The IDM and IME do not allow changes in the interface configuration that cause conflicts in the Analysis Engine configuration.

Note The ASA IPS modules (ASA 5500-X IPS SSP and ASA 5585-X IPS SSP) do not support VLAN groups mode.

For More Information

•For a list of supported sensor interfaces, see Interface Support, page 4-6.

•For more information on alternate TCP reset, see TCP Reset Interfaces, page 4-4.

•For more information on physical interfaces, see Configuring Physical Interfaces, page 4-11.

Interface Configuration Sequence

Follow these steps to configure interfaces on the sensor:

1.Configure the physical interface settings (speed, duplex, and so forth) and enable the interfaces.

2.Create or delete inline interfaces, inline VLAN subinterfaces, and VLAN groups, and set the inline bypass mode.

3.Assign the physical, subinterfaces, and inline interfaces to the virtual sensor.

 

Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

4-10

OL-29168-01

Page 137 Page 139
Page 138
Image 138
Cisco Systems IPS4510K9 manual Interface Configuration Sequence, For More Information
Page 137 Page 139

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.
Top Page Image Contents