Cisco Systems 3560 Manual De Usuario

Some Catalyst 3560 switches support dual-purpose uplink ports. By default, the switch dynamically 
selects the interface type that first links up. However, you can use the media-type interface configuration 
command to manually select the RJ-45 connector or the SFP module connector. For more information, 
see the 

Beginning in privileged EXEC mode, follow these steps to select which dual-purpose uplink to activate so 
that you can set the speed and duplex. This procedure is optional.

Protected port

Disabled (Layer 2 interfaces only). See the 

.

Port security

Disabled (Layer 2 interfaces only). See the 

Port Fast

Disabled. See the 

Auto-MDIX

Enabled.

The switch might not support a pre-standard powered 
device—such as Cisco IP phones and access points that do 
not fully support IEEE 802.3af—if that powered device is 
connected to the switch through a crossover cable. This is 
regardless of whether auto-MIDX is enabled on the switch 
port.

Power over Ethernet (PoE)

Enabled (auto).

Keepalive messages

Disabled on SFP module ports; enabled on all other ports.

Enter global configuration mode.

interface interface-id

Specify the dual-purpose uplink port to be configured, and enter 
interface configuration mode.