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Chapter 4: Port Configuration
54 Section I: Using the Menus Interface
Setting a Port’s Speed and Duplex Mode
To change a port’s speed or duplex mode, perform the following
procedure:
1. From the Main Menu, type B to select Basic Configuration.
The Basic Switch Configuration Menu is shown in Figure 4 on page 30
2. From the Basic Switch Configuration Menu, type P to select Port
Configuration.
The Port Configuration Menu is shown in Figure 13 on page 50.
3. Type M to select Set Mode.
The following prompt is displayed:
Set Mode -> Enter port number >
4. Enter the number of the port whose speed or duplex mode you want to
change. You can configure only one port at a time.
The following prompt is displayed:
Enter new mode for port
n
(a/h/H/F/f/t/T)>
5. Enter the letter that corresponds to the desired speed and duplex
mode setting for the port. The port settings are:
a - Auto: The port uses Auto-Negotiation to set its speed and duplex
mode. This is the default setting for all ports.
h - 10 Mbps, half-duplex
f - 10 Mbps, full-duplex
H - 100 Mbps, half-duplex
F - 100 Mbps, full-duplex
t - 1000 Mbps, half-duplex
T - 1000 Mbps, full-duplex
When selecting a setting, note the following:
When a twisted pair port on the switch is set to Auto-Negotiation,
the default setting, the end node should also be using Auto-
Negotiation to prevent a duplex mode mismatch. A switch port
using Auto-Negotiation defaults to half-duplex if it detects that the
end node is not using Auto-Negotiation. This can result in a
mismatch if the end node is operating at a fixed duplex mode of