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DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual
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between Auto, Normal or Cross. Auto will automatically switch to the proper configuration once
a cable is connected. Normal will be selected if a straight-through cable is being used and
Cross should be selected if a crossover cable is being used.
Speed/Duplex
Toggle the Speed/Duplex field to either select the speed and duplex/half-duplex state of the
port. Auto denotes auto-negotiation between 10 and 100 Mbps devices, in full- or half-duplex.
The Auto setting allows the port to automatically determine the fastest settings the device the
port is connected to can handle, and then to use those settings. The other options are Auto,
10M/Half, 10M/Full, 100M/Half, 100M/Full, and 1000M/Full. There is no automatic adjustment of
port settings with any option other than Auto.
Flow Control
Displays the flow control scheme used for the various port configurations. Ports configured for
full-duplex use 802.3x flow control, half-duplex ports use backpressure flow control, and Auto
ports use an automatic selection of the two. The default is Disabled.
Learn
Enable or disable MAC address learning for the selected ports. When Enabled, destination and
source MAC addresses are automatically listed in the forwarding table. When learning is Dis-
abled, MAC addresses must be manually entered into the forwarding table. This is sometimes
done for reasons of security or efficiency. See the section on Forwarding/Filtering for
information on entering MAC addresses into the forwarding table. The default setting is
Disabled.
Trap
Enables or disables trap support on the switch. The default setting is Disabled.
Click Apply to implement the new settings on the Switch.
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