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Port Number:
Click the pull-down menu to select the port number for configuration.
Port State:
Enable or disable the current port state.
Preferred Media Type:
Select copper or fiber as the preferred media type.
Port Type:
Select Auto-Negotiation or Manual mode as the port type.
Port Speed:
When you select Manual port type, you can further specify the transmission speed
(10Mbps/100Mbps/1000Mbps) of the port(s).
Duplex:
When you select Manual port type, you can further specify the current operation Duplex
mode (full or half duplex) of the port(s).
Flow Control:
Enable or disable the flow control.
4.4.3 Link Aggregation
Link aggregation is an inexpensive way to set up a high-speed backbone network that transfers
much more data than any one single port or device can deliver without replacing everything and
buying new hardware.
For most backbone installations, it is common to install more cabling or fiber optic pairs than
initially necessary, even if there is no immediate need for the additional cabling. This action is
taken because labor costs are higher than the cost of the cable and running extra cable reduces
future labor costs if networking needs changes. Link aggregation can allow the use of these extra
cables to increase backbone speeds with little or no extra cost if ports are available.
This Managed switch supports 2 link aggregation modes: static
Port Trunk
and dynamic
Link
Aggregation Control Protocol (LACP)
using the IEEE 802.3ad standard. These allow several
devices to communicate simultaneously at their full single-port speed while not allowing any one
single device to occupy all available backbone capacities.
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Страница 108: ...108 This sets up each port s path cost The default value is 0...
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