Cisco 2950 Bedienungsanleitung PDF herunterladen (Seite 4)

Cisco Systems, Inc.

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QoS

• Support for reclassifying frames based either on 802.1p

CoS value or default CoS value per port assigned by

network manager

• Four queues per egress port supported in hardware

• WRR queuing algorithm ensures low priority queues are

not starved

• Strict Priority Scheduling conﬁguration ensures

time-sensitive applications such as voice always follow an

expedited path through the switch fabric

Ease-of-Use and Ease-of-Deployment

• Cisco CMS allows the network administrator to manage

up to 16 interconnected Catalyst 2950, 3550-12T, 3500

XL, 2900 XL, and 1900 switches through a single IP

address, using any standard Web browser regardless of the

location of the switches—that is, the switches do not have

to be physically located in the same wiring closet

• Full backward compatibility ensures that any Catalyst

3500 XL, Catalyst 2900 XL, or Catalyst 1900 switch can

be managed with a Catalyst 2950 using the Cisco CMS

• Cluster software upgrade feature allows the user to

automatically upgrade the system software on a group of

Catalyst 3550-12T, Catalyst 2950, Catalyst 3500 XL, and

Catalyst 2900 XL switches

• Autosensing on each port detects the speed of the attached

device and automatically conﬁgures the port for 10-, 100-

or 1000-Mbps operation, easing switch deployment in

mixed 10-, 100-, and 1000BaseT environments

• Autonegotiating on all ports automatically selects half- or

full-duplex transmission mode to optimize bandwidth

• Default conﬁguration stored in Flash memory ensures the

switch is quickly connected to the network and can pass

trafﬁc with minimal user intervention

Integrated Cisco IOS Switching Solution

• Bandwidth aggregation through Fast EtherChannel and

Gigabit EtherChannel technology enhances fault tolerance

and offers up to 4 Gbps of bandwidth between switches, to

routers and individual servers

• Per-port broadcast storm control prevents faulty end

stations from degrading overall systems performance with

broadcast storms

• Command line interface (CLI) support provides a user

interface and command set, which is common across all

Catalyst 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

• Cisco CMS allows the network administrator to manage

up to 16 interconnected Catalyst 2950, 3550-12T, 3500

XL, 2900 XL, and 1900 switches through a single IP

address and any standard Web browser, regardless of the

location of the switches—that is, the switches do not have

to be physically located in the same wiring closet

• Switch clustering software upgrade allows network

administrators to upgrade the system software of up to 16

interconnected switches through the easy-to-use Cisco

CMS interface or a single CLI command

• 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 Windows network

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

providing a common management interface for Cisco

routers, switches, and hubs

• Embedded Remote Monitoring (RMON) software agent

supports four RMON groups (History, Statistics, Alarms

and Events) for enhanced trafﬁc management, monitoring,

and analysis

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