Chapter 15 Configuring SNMP

Configuring SNMP

You can configure the sensor to send SNMP traps. SNMP traps enable an agent to notify the management station of significant events by way of an unsolicited SNMP message.

Trap-directed notification has the following advantage—if a manager is responsible for a large number of devices, and each device has a large number of objects, it is impractical to poll or request information from every object on every device. The solution is for each agent on the managed device to notify the manager without solicitation. It does this by sending a message known as a trap of the event.

After receiving the event, the manager displays it and can take an action based on the event. For instance, the manager can poll the agent directly, or poll other associated device agents to get a better understanding of the event.

Note Trap-directed notification results in substantial savings of network and agent resources by eliminating frivolous SNMP requests. However, it is not possible to totally eliminate SNMP polling. SNMP requests are required for discovery and topology changes. In addition, a managed device agent cannot send a trap if the device has had a catastrophic outage.

Configuring SNMP

Caution To have the sensor send SNMP traps, you must also select request-snmp-trapas the event action when you configure signatures.

Configure general SNMP parameters in the service notification submode.

The following options apply:

•default—Sets the value back to the system default setting.

•enable-set-get {true false}—Enables the gets and sets of object identifiers (OIDs).

•no—Removes an entry or selection setting.

•read-only-community—Specifies the read-only community name for the SNMP agent. The default is public.

•read-write-community—Specifies the read-write community name for the SNMP agent. The default is private.

•snmp-agent-port—Specifies the port the SNMP agent will listen on. The default SNMP port number is 161.

•snmp-agent-protocol—Specifies the protocol the SNMP agent will communicate with. The default protocol is UDP.

•system-contact—Specifies the contact information for this sensor. The system-contact option modifies the SNMPv2-MIB::sysContact.0 value.

•system-location—Specifies the location of the sensor. The system-location option modifies the SNMPv2-MIB::sysLocation.0 value.

 

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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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