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Network Management Module
Figure 1-4. Network Management Module
This switch includes a Network Management Module on the rear
panel. It offers a variety of management options, including SNMP,
RMON and a Web-based interface. This module also includes an
RS-232 port for out-of-band management. This is an RS-232 serial
port with a DB-9 connector. A PC may be connected to this port
for configuration and monitoring purposes out-of band via a full-
handshaking null-modem cable. You can also make a remote
connection to this port via modems. Th is allows you to access the
out-of-band interface. (See Appendix B fo r a description of wiring
options.)
The Network Management Module provides a wide range of
advanced performance-enhancing features. Multicast filtering
provides support for real-time network applications. Port-based
and tagged VLANs, plus support for automatic GVRP VLAN
registration provide traffic security and efficient use of network
bandwidth. QoS priority queueing ensures the minimum delay for
moving real-time multimedia data across the network. Flow control
eliminates the loss of packets due to bottlenecks caused by port
saturation. And broadcast storm control pre vents broadcast traffic
storms from engulfing the network.
Some of this switch’s advanced features are described below. For a
detailed description, refer to the Management Guide.