CLI Reference Guide-R04

Chapter 11 | Interface Commands
Interface Configuration
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media-type This command forces the transceiver mode to use for SFP/SFP+ ports, or
the port type to use for combination RJ-45/SFP ports. Use the no form to
restore the default mode.
Syntax
media-type {copper-forced | sfp-forced [mode]}
no media-type
copper-forced - Always uses the built-in RJ-45 port.
sfp-forced - Forces transceiver mode for the SFP/SFP+ port.
mode
1000sfp - Always uses 1000BASE SFP mode.
100fx - Always uses 100BASE-FX mode.
10gsfp - Always uses 10GBASE SFP mode.
Default Setting
SFP/SFP+ ports: None
Combination ports: copper-forced
Command Mode
Interface Configuration (Ethernet)
Command Usage
Available sfp-forced modes include:
Ports 25-28 (10G SFP+) support 1000sfp
Ports 1-24 (1000BASE SFP) support 1000sfp or 100fx
Example
This forces the switch to use the 1000sfp mode for SFP port 28.
Console(config)#interface ethernet 1/28
Console(config-if)#media-type sfp-forced 1000sfp
Console(config-if)#
negotiation This command enables auto-negotiation for a given interface. Use the no form to
disable auto-negotiation.
Syntax
[no] negotiation
Default Setting
Enabled