Модуль Cisco NMD-36-ESW

16/36 10BaseT/100BaseTX Ports Delivers up to 200 Mbps of bandwidth (full duplex) Layer 2; forwards and filters backflow at full wire speed on each port Autosensing on each port Detects the speed of the attached device and automatically configures the port for 10- or 100-Mbps operation Integrated Switching Provides fewer points of management for remote and small branch offices Support for 802.1P QoS Supports QoS based on the Institute of Electrical and Electronics Engineers (IEEE) class-of-service (CoS) and port-based prioritization, allowing the switch to change the CoS settings of tagged packets on a per-port basis 802.1Q Trunking Allows the setup of separate VLANs with tagged and untagged framing; trunking is used to save ports when creating a link between two devices implementing VLANs 802.1D Spanning Tree (a Layer 2 link-management protocol that provides path redundancy while preventing undesirable loops in the network) Simplifies network configuration and improves fault tolerance Voice Virtual LAN (VLAN) feature for IP Phones Enables phones to be placed into their own VLANs without the need for end-user intervention; a user can plug the phone into the switch, and the switch provides the phone with the necessary VLAN information Port-Based Reclassification for Queues on each 10/100 that are Configurable using a Weighted Round Robin (WRR) Scheduler Enables users to prioritize mission-critical traffic, such as VoIP and IP-based video applications over regular traffic Media Access Control (MAC)-Based Port-Level Security Prevents unauthorized stations from accessing the switch; Cisco fully supports the entire set of Requests for Comments (RFCs) Multifunction LEDs per Port for Port Status Provide a comprehensive and convenient visual management system Cisco IOS Command-Line Interface (CLI) Provides configuration through Cisco IOS CLI and provides common user interface for all the router functions Multicast Management Support Offers Internet Group Management Protocol (IGMP) snooping in hardware for management support Memory Features 4-/8-MB shared-memory architecture that is shared across all ports SNMP Management Offers support for Simple Network Management Protocol (SNMP) Management Information Base (MIB) manageable via a MIB browser Cisco Pre-standard Power over Ethernet (optional) EtherSwitch with the external power chassis or internal power supply upgrades can power Cisco IP Phones and wireless access points