Specifications

media-type interface command to select the media type, either the GBIC (gbic) for NPE-G1 or SFP
(sfp) for NPE-G2, RJ-45 (rj45) port.
Changing the Media Type of the Native Gigabit Ethernet GBIC or SFP or RJ-45 Ports
the media-type interface command:
media-type gbic | sfp | rj45
media-type rj45
end
Configuring the Interface Transmission and Speed Modes
Step 1
duplex
These commands are only applicable when using the RJ-45 media.
speed { 10 | 100 | 1000 | auto }
duplex { full | half | auto }
The following speed/duplex settings are supported:
1000 Mbps
1000 auto