Cisco 2950 - Catalyst Switch 데이터시트 - 페이지 14

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Feature

Ease of Use and Ease of

Deployment

Product Speciﬁcations

(See separate Cisco LRE CPE and Cisco LRE POTS Splitter data sheets for Cisco 575 CPE, Cisco 585 CPE, and Cisco

LRE POTS Splitter product speciﬁcations.)

Feature

Description

Performance

• 8.8-Gbps switching fabric

• Catalyst 2950ST-24-LRE: 4.7-Gbps maximum forwarding bandwidth

• Catalyst 2950ST-8-LRE: 4.2-Gbps maximum forwarding bandwidth (Forwarding rates

based on 64-byte packets)

• Catalyst 2950ST-24-LRE: 3.5-Mpps wire-speed forwarding rate

• Catalyst 2950ST-8-LRE: 3.2-Mpps wire-speed forwarding rate

• 8-MB memory architecture shared by all ports

• Up to 32-MB SDRAM and 8-MB Flash memory

• Conﬁgurable up to 8000 MAC addresses

• Conﬁgurable maximum transmission unit (MTU) of up to 1,536 bytes

Beneﬁt

• Archive download is a convenient tool to upgrade (or downgrade) the set of binaries

on the switch. It performs memory availability checks and automatically conﬁgures the

switch to use the new binaries. Archive upload can be used to archive the existing set

of binaries on the switch to a storage (such as a TFTP server).

• Auto-conﬁguration eases deployment of switches in the network by automatically

conﬁguring multiple switches across a network via a boot server.

• Auto-negotiating on all ports automatically selects half- or full-duplex transmission

mode to optimize bandwidth.

• Cisco VTP supports dynamic VLANs and dynamic trunk conﬁguration across all

switches.

• Voice VLAN simpliﬁes telephony installations by keeping voice trafﬁc on a separate

VLAN for easier network administration and troubleshooting.

• Dynamic Trunking Protocol (DTP) enables dynamic trunk conﬁguration across all ports

in the switch.

• Port Aggregation Protocol (PAgP) automates the creation of Cisco Fast EtherChannel

or Gigabit EtherChannel groups, enabling linking to another switch, router, or server.

• IEEE 802.3z-compliant 1000BASE-SX and 1000BASE-LX physical interface support

through a ﬁeld-replaceable SFP module provides customers unprecedented ﬂexibility

in switch deployment.

• The default conﬁguration stored in Flash ensures that the switch can be quickly

connected to the network and can pass trafﬁc with minimal user intervention.

• The switches support non-standard Ethernet frame sizes up to 1,536 bytes.

Cisco Systems, Inc.

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