Cisco Systems OL-4580-01 manual Showing Interface Duplex and Speed, Config# show phy 2/1

Chapter 1 Configuring Interfaces and Circuits

Configuring Interfaces

Table 1-6describes the fields in the show interface command output.

Table 1-6 Field Descriptions for the show interface Command

Field	Description
Name	The name of the interface.
ifIndex	The Index for the interface.
Type	The type of interface. The possible types include:
	• fe - Fast Ethernet interface
	• ge - Gigabit Ethernet interface
	• console - Console interface
Oper	Operational state: Up or Down.
Admin	Administrative state: Up or Down.
Last Change	The date of the last state change.

Showing Interface Duplex and Speed

Use the show phy command to show duplex and speed values for all interfaces. For example:

(config)# show phy

To show duplex and speed value for a specific interface, specify the show phy command and the interface name. Enter the interface name as follows:

•CSS 11501 - Enter the interface name in interface port format (for example, e1 for Ethernet interface port 1).

•CSS 11503 or CSS 11506 - Enter the interface format in slot/port format (for example, 3/1 for Ethernet port 1 on the I/O module in slot 3).

For example, to show the interface and duplex speed for interface port 1 on a

CSS 11506, the I/O module in slot 2, enter:

(config)# show phy 2/1

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