Cisco WS-C3550-48-EMI Manual de usuario descargar pdf (Pagina 12)

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Superior

Manageability

• Cisco IOS CLI support provides common user interface and command set with all Cisco

routers and Cisco desktop switches.

• Supported by the Cisco QPM solution for end-to-end QoS policies

• Supported by the Service Assurance (SA) Agent to facilitate service level management

throughout the LAN.

• Switch Database Manager templates for access, routing, and VLAN deployment scenarios

allow the network administrator to easily maximize memory allocation to the desired

features based on deployment-speciﬁc requirements.

• VLAN trunks can be created from any port using either standards-based 802.1Q tagging or

the Cisco ISL VLAN architecture.

• Support for up to 1,005 VLANs per switch and up to 128 instances of spanning tree per

switch.

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

for easier network administration and troubleshooting.

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

• Cisco Group Management Protocol (CGMP) server functionality enables a switch to serve as

the CGMP router for CGMP client switches—requires EMI.

• IGMP snooping provides for fast client joins and leaves of multicast streams and limits

bandwidth-intensive video trafﬁc to only the requestors.

• 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 SPAN port, which permits trafﬁc

monitoring of a single port, a group of ports, or the entire switch from a single network

analyzer or RMON probe.

• Remote Switch Port Analyzer (RSPAN) allows network administrators to remotely monitor

ports in a Layer 2 switch network from any other switch in the same network.

• Domain Name Services (DNS) provide 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.

• Network Timing Protocol (NTP) provides an accurate and consistent timestamp to all

switches within the intranet.

• Layer 2 traceroute eases troubleshooting by identifying the physical path that a packet takes

from the source device to a destination device.

• Multifunction LEDs per port for port status, half-duplex/full-duplex, 10BASE-T/100BASE-TX/

1000BASE-T indication, as well as switch-level status LEDs for system, redundant power

supply, and bandwidth utilization provide a comprehensive and convenient visual

management system.

Table 1 Product Features and Beneﬁts (Continued)

Feature Benefit

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19

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