Cisco 3508G - Catalyst XL Standard Edition Switch Bedienungsanleitung PDF herunterladen (Seite 4)

Integrated Cisco IOS Switching Solution

• CGMP enables a switch to selectively and dynamically

forward routed IP 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 trafﬁc on

the network.

• Virtual LAN trunks can be created from any port using

either standards-based 802.1Q tagging or Cisco ISL

VLAN architecture.

• IEEE 802.1p Layer 2 prioritization protocol ready,

allowing users to assign data packets to prioritized

forwarding queues.

• Cisco Virtual Trunking Protocol (VTP) supports

dynamic VLANs and dynamic trunk conﬁguration across

all switches.

• Per-port broadcast storm control prevents faulty end

stations from degrading overall systems performance with

broadcast storms.

• Command-line-interface (CLI) support provides common

user interfaces and command sets across all Catalyst series

switches and Cisco routers.

Superior Manageability

• Built-in CVSM provides an easy-to-use Web-based

management interface through a standard browser such

as Netscape Navigator or Microsoft Explorer.

• Simple Network Management Protocol (SNMP) and

Telnet interface support delivers comprehensive in-band

management, and a CLI-based management console

provides detailed out-of-band management.

• Manageable through CiscoWorks 2000 network

management software on a per-port and per-switch basis,

providing a common management interface for Cisco

routers, switches, and hubs.

• Cisco Discovery Protocol (CDP) enables a CiscoWorks

network management station to automatically discover

the switch in a network topology.

• An embedded Remote Monitoring (RMON) software

agent supports four RMON groups (history, statistics,

alarms, and events) for enhanced trafﬁc management,

monitoring, and analysis.

• SupportforallnineRMON groups throughuseofaSwitch

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.

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

administering software upgrades by downloading from a

centralized location.

• NTP provides an accurate and consistent timestamp to all

switches within the intranet.

• Multifunction LEDs per port for port status, half-duplex/

full-duplex, and 10BaseT/100BaseT indication as well as

switch-level status LEDs for system, redundant power

supply (RPS), and bandwidth utilization provide a

comprehensive and convenient visual management system.

Security and Redundancy

• Cisco Uplink Fast technology ensures quick failover

recovery,enhancingoverallnetworkstabilityandreliability

(Enterprise Edition only).

• Support for TACACS+ authentication enables centralized

control of the switch andrestricts unauthorizedusers from

altering the conﬁguration (Enterprise Edition only).

• 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 conﬁguration.

• IEEE 802.1D Spanning-Tree Protocol support for

redundant backbone connections and loop-free

networks simpliﬁes network conﬁguration and

improves fault tolerance.

• Support for redundant loopback connection through

secondary GigaStack GBICs in top and bottom switches in

a stack.

• Supportfor optional,Cisco 600-wattredundant AC power

systemprovides abackup powersource for upto fourunits

for improved fault tolerance and network uptime.

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