3.4 Making Trunk Connections
Two switch units can be cascaded together through any regular switched data port on each unit when a port 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. Normal data ports can be configured optionally as trunking ports through the network management operation.
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.
Refer to the software operation manuals in the supplied
The following figure illustrates an example of
Switch A - Trunk: Port #3 - #6
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Switch B - Trunk: Port #5 - #8
Rules :
1.One switch can be configured to have up to 4 trunks and each trunk can be composed of up to 4 trunking ports. All port members of one trunk must locate in same group, either in group [port
2.One trunking port can only belong to one trunk.
3.Only one trunk can exist between two switch units.
4.Crossover UTP cables should be used at the same time for one trunk connection. The length of each cable can be up to 100 meters.
5.When the switched data ports are enabled as trunking ports, they can only serve trunking function, but no other data function.
6.Since the trunking is proprietary, the switches do not support trunk connection to other brands switches.
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