Cisco 2960-24LT-L - Catalyst Switch Uživatelský manuál stáhnout pdf (Strana 4)

Data Sheet

◦ Dynamic Address Resolution Protocol (ARP) Inspection (DAI), helping ensure user integrity by preventing

malicious users from exploiting the insecure nature of ARP.

◦ IP source guard, which prevents a malicious user from spoofing or taking over another user’s IP address

by creating a binding table between the client’s IP and MAC address, port, and VLAN.

◦ MAC address notification features to monitor the network and allow administrators to track where and

when users enter the network.

◦ Highly secure encryption of administrative and network management traffic to protect against

eavesdropping and tampering and comply with regulatory requirements such as the Payment Card Industry

(PCI) standard.

◦ Private VLANs to restrict traffic between hosts in a common segment by segregating traffic at Layer 2.

◦ Access control lists (ACLs) to restrict sensitive portions of the network and guard against network attacks

by keep unauthorized users off the network.

●

Improved availability and scalability: The Cisco Catalyst 2960-S and 2960 Series Switches with LAN Base

Software provide the redundancy you need to help ensure that your employees stay connected and

productive at all times. This intelligence allows your network to more easily accommodate new technology

deployments and continually deliver optimal performance, even as your business and applications evolve.

Important high-availability and scalability features include:

◦ Spanning Tree Protocol enhancements that support increased redundancy and improved convergence

times in the event of a link outage, as well as efficiently optimizing the extra capacity inherent in a

redundant design.

◦ Support for the Cisco Redundant Power System (RPS) 2300 solution to provide transparent power backup

of redundant switches.

◦ Cross-stack EtherChannel, providing the ability to configure Cisco EtherChannel technology across

different members of the Cisco FlexStack for high resiliency.

◦ Flexlink, providing link redundancy with convergence time of less than 100 ms.

◦ Automatic reactivation of a link that is disabled because of a network error.

●

Advanced QoS intelligence: The Cisco Catalyst 2960-S and 2960 Series Switches with LAN Base Software

support advanced QoS traffic shaping and policing features that give you optimal flexibility in classifying and

prioritizing the traffic on your network. For example, you can prioritize traffic from mission-critical applications

such as enterprise resource planning (ERP) and voice systems over less delay-sensitive traffic, helping

reduce network congestion and ensuring baseline performance for the most essential applications. The

switches also support rate-limiting features that allow you to allocate guaranteed bandwidth to specific

applications and users in increments as small as 1 Mbps. Administrators can easily configure these features

through tools such as automatic QoS (Auto QoS), which detects Cisco IP phones and automatically

configures the switch for the appropriate QoS. Cross-stack QoS allows QoS to be configured across the entire

Cisco Catalyst 2960-S FlexStack.

●

Ease of operation:!The Cisco Catalyst 2960-S and 2960 Series help reduce operating costs with built-in

capabilities that make these switches easy to use. The switches support Cisco Catalyst Smart Operations, a

comprehensive set of capabilities that simplify LAN deployment, configuration, and troubleshooting to help

reduce operational costs. Cisco Catalyst Smart Operations include Cisco Smart Install, Cisco Auto

Smartports, Cisco Smart Configuration, and Cisco Smart Troubleshooting.

◦ Cisco Smart Install is a transparent technology that automatically configures the Cisco IOS Software image

without user intervention.

◦ Cisco Auto Smartports discovers and configures Cisco devices as they are plugged into the switch.

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