Cisco WS-C1924-EN-DC - 100Mbps Ethernet Switch Manual de usuario descargar pdf (Pagina 3)

Overview 1-3

Features

(LANE) trunk connections; ATM permanent virtual connections (PVCs); Fast

EtherChannel connections; and TACACS+ authentication), refer to the Catalyst 1900

Series and Catalyst 2820 Series Enterprise Edition Software Conﬁguration Guide.

Table 1-1 Standard Software Features

Feature Description

Performance

and

Conﬁguration

• Half- and full-duplex operation on all 10- and 100-Mbps ports.

• Autonegotiation of duplex operation on 100BaseTX ports.

• IEEE 802.3x ﬂow control on 100-Mbps ports operating in full-duplex mode.

• Back pressure-based congestion control on half-duplex, 10-Mbps ports

(standard IEEE 802.3 Layer 2 backoff algorithms).

• Enhanced Congestion Control (ECC) on all half-duplex ports for accelerated transmissions when

queues are full.

• FragmentFree (cut-through) and store-and-forward switching modes for optimal performance and

error checking.

• Per-port broadcast storm control for preventing faulty end stations from degrading overall system

performance.

• Support allowing ports to belong to up to four separate bridge groups within the switch.

• Cisco Group Management Protocol (CGMP) for limiting multicast ﬂooding to predeﬁned ports.

• IEEE 802.1d Spanning-Tree Protocol (STP) with Port Fast for network loop detection and

disabling and for fault-tolerant connectivity.

Management

• Catalyst 1900 Switch Manager for in-band management access through a web browser.

• Menu-based management console for in-band management access through Telnet sessions

and out-of-band management access through direct serial connection to the switch console port.

• Menu-based diagnostic console for switch recovery tasks.

• Cluster membership support for conﬁguration and monitoring from a Catalyst 2900 series XL or

Catalyst 3500 series XL command switch.

• Cisco Discovery Protocol (CDP) versions 1 and 2 for network topology discovery and mapping

between the switch and other Cisco devices on the network.

• Simple Network Management Protocol (SNMP) and four groups of embedded remote monitoring

(RMON) agents for complete conﬁguration, management, and monitoring on a per-port basis.

• Switch Port Analyzer (SPAN) for complete trafﬁc monitoring.

• Encrypted (secret) password support for extra switch security.

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Cisco WS-C1924-EN-DC - 100Mbps Ethernet Switch Manual de usuario Pagina 3