C
HAPTER
5
| Interface Configuration
Port Configuration
– 118 –
◆ When using auto-negotiation, the optimal settings will be negotiated
between the link partners based on their advertised capabilities. To set
the speed, duplex mode, or flow control under auto-negotiation, the
required operation modes must be specified in the capabilities list for
an interface.
◆ The 1000BASE-T standard does not support forced mode. Auto-
negotiation should always be used to establish a connection over any
1000BASE-T port or trunk. If not used, the success of the link process
cannot be guaranteed when connecting to other types of switches.
PARAMETERS
These parameters are displayed:
◆ Port – Port identifier. (Range: 1-10)
◆ Type – Indicates the port type. (100Base-TX, 1000Base-T,
100Base SFP, 1000Base SFP)
◆ Name – Allows you to label an interface. (Range: 1-64 characters)
◆ Admin – Allows you to manually disable an interface. You can disable
an interface due to abnormal behavior (e.g., excessive collisions), and
then re-enable it after the problem has been resolved. You may also
disable an interface for security reasons.
◆ Media Type – Configures the forced/preferred port type to use for the
combination ports
(Ports 9-10).
■
Copper-Forced - Always uses the built-in RJ-45 port.
■
SFP-Forced
- Always uses the SFP port (even if a module is not
installed).
■
SFP-Preferred-Auto
- Uses SFP port if both combination types are
functioning and the SFP port has a valid link. (This is the default.)
◆ Autonegotiation (Port Capabilities) – Allows auto-negotiation to be
enabled/disabled. When auto-negotiation is enabled, you need to
specify the capabilities to be advertised. When auto-negotiation is
disabled, you can force the settings for speed, mode, and flow
control.The following capabilities are supported.
■
10half - Supports 10 Mbps half-duplex operation
■
10full - Supports 10 Mbps full-duplex operation
■
100half - Supports 100 Mbps half-duplex operation
■
100full - Supports 100 Mbps full-duplex operation
■
1000full (Gigabit ports only) - Supports 1000 Mbps full-duplex
operation
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