Cisco WS-C3524-XL-EN - 1Gbps Ethernet Switch Uživatelský manuál stáhnout pdf (Strana 5)

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• Voice VLAN creates a new subnet for use by IP phones

in cases where there are not enough free IP addresses in

the existing subnets

Integrated Cisco IOS Switching Solution

• Cisco Group Management Protocol (CGMP) enables a

switch to selectively and dynamically forward routedIP

multicast trafﬁc to targeted multimedia end stations,

reducing overall network trafﬁc

• CGMP Fast Leave allows end stations to quickly

exit from a multicast session, reducing superﬂuous

network trafﬁc

• Virtual LAN trunks can be created from any port using

either standards-based 802.1Q tagging or the Cisco

Inter Switch Link (ISL) VLAN architecture

• IEEE 802.1p Layer 2 protocol for prioritization of

mission-critical and time-sensitive trafﬁc from data,

voice, and telephony applications

• CiscoVirtualTrunkingProtocol(VTP)supportsdynamic

VLANs and trunk conﬁguration across all switches

• Cisco IOS

Command-Line Interface (CLI) support

provides common user interface and command set

across all Catalyst series switches and Cisco routers

• Cisco Discovery Protocol (CDP) enables a CiscoWorks

network management station to automatically discover

a switch in a network topology

Superior Manageability

• Built-in Web-based management interface provides

easy-to-use management through a standard browser

such as Netscape Navigator or Microsoft Explorer

• Simple Network Management Protocol (SNMP) and

Telnet interface support deliver comprehensive in-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 onboard,

enabling the addition of a continuous stream of feature

upgrades and maximizing customer investments

• Conﬁgurable network port, supporting unlimited

Media Access Control (MAC) addresses for backbone

connectivity

• 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 name

• Trivial File Transfer Protocol (TFTP) reduces the cost of

administering software upgrades by downloading from

a centralized location

• Network TimeProtocol(NTP)providesanaccurateand

consistent timestamp to all switches within the intranet

• Multifunction LEDs per port for port status,

half-duplex/full-duplex, and 10Base-T/100Base-TX

indication, as well as switch-level status LEDs for

system, redundant power supply (RPS), bandwidth

utilization and inline power provide a comprehensive

and convenient visual management system

• Spanning TreeRootGuard (STRG) prevents devicesnot

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,broadcasttrafﬁc isﬂoodedonly

on trunk links required to reach the destination devices.

Security and Redundancy

• Inline power 48-volt DC power is provided over

Category5UTPcableupto100 meters(pin assignment:

1, 2, 3, 6)

• Cisco Uplink Fast technology ensures quick

fail-over 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

1 2 3 4 5 6 7

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