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• Cisco Virtual Trunking Protocol (VTP) supports

dynamic VLANs and dynamic trunk conﬁguration

across all switches

• Command-Line-Interface (CLI) support provides

common user interfaces and command sets across all

Catalyst series switches and Cisco routers

• Cisco Discovery Protocol (CDP) enables a CiscoWorks

network management station to automatically discover

the switch in a network topology

Superior Manageability

• Built-in Web-based Cisco Cluster Management Suite

(CSM) software provides an easy-to-use Web-based

management interface througha standard browser such

as Netscape Navigator or Microsoft Explorer

• Simple Network Management Protocol (SNMP) and

Telnetinterface supportdelivers comprehensivein-band

management, and a CLI-based management console

provides detailed out-of-band management

• Manageable through CiscoWorks2000 network

management software on a per-port and per-switch

basis, providing a common management interface for

Cisco routers, switches, and hubs

• 8 MB DRAM and 4 MB Flash memory on board enable

theaddition of acontinuous streamof featureupgrades,

maximizing customer investments

• Embedded Remote Monitoring (RMON) software

agent supports four RMON groups (History, Statistics,

Alarms, and Events) for enhanced trafﬁc management,

monitoring, and analysis

• Support for all nine RMON groups through use of a

Switch Port Analyzer (SPAN) port that permits trafﬁc

monitoring of a single port, a group of ports, or the

entire switch from a single network analyzer or

RMON probe

• Domain Name System (DNS) client support provides

IP address resolution with user-deﬁned device names

• TrivialFileTransfer Protocol (TFTP) reduces the cost of

administering software upgrades by downloading from

a centralized location

• NetworkTimeProtocol(NTP)providesanaccurateand

consistent timestamp to all switches within the intranet

• MultifunctionLEDsperport forport status,half-duplex/

full-duplex indication, switch-level status LEDs for

system, redundant power supply (RPS), and bandwidth

utilization provide a comprehensive and convenient

visual management system

• Spanning Tree Root Guard(STRG) preventsdevices not

in the network administrator’s or service provider’s

control from becoming STP root nodes by conﬁguring

STRG on device ports it does control

• VTP pruning limits broadcasts on VTP trunks. When

VTPpruningisenabled,broadcasttrafﬁcisﬂoodedonly

on trunk links required to reach the destination devices

Redundancy

• Cisco Uplink Fast technology ensures quick failover

recovery, enhancing overall network stability and

reliability

• Cross-Stack Uplink Fast (CSUF) technology provides

increased redundancy and network resiliency through

fast-spanning-tree convergence (less than two seconds)

across a stack of switches using Gigastack GBICs

• IEEE 802.1D Spanning-Tree Protocol support for

redundant backbone connections and loop-free

networks simpliﬁes network conﬁguration and

improves fault tolerance

• Redundant stacking connections support for a

redundant loopback connection in top and bottom

switches in a stack

• Support for optional Cisco 600-watt redundant AC

power system provides a backup power source for

up to four units for improved fault tolerance and

network uptime

Security

• Support for TACACS+ authentication enables

centralized control of the switch and restricts

unauthorized users from altering the conﬁguration

• MAC-based port-level security prevents unauthorized

stations from accessing the switch

• User-selectable address learning mode simpliﬁes

conﬁguration and enhances security

• Multilevel security on console access prevents

unauthorized users from altering the switch

configurations

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