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3.7 Trunking Support
Two switch units can be cascaded together through any regular switched
port on each unit when an expansion is required. However, the transfer
bandwidth between the two cascaded ports is limited to 200Mbps full
duplex. To increase the bandwidth for the connection between two switch
units, a trunking function is implemented on the switch unit for this
purpose. Some ports can be configured optionally as trunking ports.
Two or more trunking ports composes one trunk. Two switch units can
be cascaded through one trunk. The aggregated bandwidth of one trunk
can be up to 800Mbps, if 4 trunking ports are used for one trunk.
The ports which are equipped with optional trunking function are:
Port 1, Port 2, Port 3, Port 4, Port 9, Port 10, Port 11, Port 12
