Port Configuration

3-115

3
problem has been resolved. You may also disable an interface for security
reasons.
Speed/Duplex – Allows you to manually set the port speed and duplex mode.
(i.e., with auto-negotiation disabled)
Flow Control – Allows automatic or manual selection of flow control.
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 (Combo ports only) - Supports 1000 Mbps full-duplex operation
(Default: Autonegotiation enabled; Advertised capabilities for 100BASE-TX –
10half, 10full, 100half, 100full; 1000BASE-T – 10half, 10full, 100half, 100full,
1000full; 1000BASE-SX/LX/ZX – 1000full)
Media Type – Media type used for the combo ports 21-24.
-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.)
Trunk – Indicates if a port is a member of a trunk. To create trunks and select port
members, see 3-116.
Web – Click Port, Port Configuration or Trunk Configuration. Modify the required
interface settings, and click Apply.
Figure 3-71 Port/Trunk Configuration