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Cisco WS-C3548-XL-EN, Cisco Catalyst 3548 XL Enterprise Edition 48 Port 10/100, 2 GBIC Slot Switch.
The Catalyst 3524 XL switch is the member of the Cisco Systems Catalyst 3500 series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers premium performance, manageability, and flexibility with unparalleled investment protection. With a 10-Gbps switching fabric and a maximum 6.5-million-packet-per second, wire-speed forwarding rate, these switches are ideal for creating high-performance local-area networks. Cisco Catalyst 3500 series XL Standard Edition switches include several exceptional features to increase network performance, manageability and security. The command switch feature delivers single-IP managed Cisco Switch Clustering technology to up to 16 interconnected Catalyst 3500 XL, 2900 XL, and Catalyst 1900 switches. Cisco Group Management Protocol (CGMP) enhances performance of multimedia applications and reduces network traffic by allowing a switch to selectively and dynamically forward IP multicast traffic to targeted end stations. Up to 250 port-based VLANs per switch allow data packets to be forwarded only to stations within a specific VLAN, creating a virtual firewall between groups of ports on the network. Network Time Protocol (NTP) provides a unified clock across the network, ensuring accurate time stamps for troubleshooting all network events. Media Access Control (MAC)-based port level security prevents unauthorized stations from accessing the switch. Multi-layer security on the switch console prevents unauthorized users from gaining access and altering the switch configuration. All Standard Edition switches can be upgraded with the purchase of an optional Enterprise Edition upgrade kit. Enterprise Edition software includes all of the features of the Standard Edition and adds enhanced end-to-end VLAN support to your Catalyst 3500 series XL switch. Virtual LAN trunks can be created from any port using either 802.1Q trunking or the Cisco Inter-Switch Link (ISL) VLAN architecture. VLANs using standards-based 802.1Q and ISL trunking provide broadcast control and enhanced security, and simplify adds, moves and changes. TACACS+ authentication enables centralized access control of the switch and restricts unauthorized users from altering the configuration. Uplink Fast technology ensures quick failover recovery, enhancing overall network stability and reliability. An Enterprise Edition switch is the best choice in a network that requires higher-level security, superior fail-safe redundancy, and end-to-end VLANs spanning multiple routers, chassis switches, and access servers.
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