Parameters
interface
(Optional) Enter one of the following keywords and slot/port or 
number information:
• For a Fast Ethernet interface, enter the keyword 
FastEthernet followed by the slot/port information.
• For a 1-Gigabit Ethernet interface, enter the keyword 
GigabitEthernet followed by the slot/port information.
• For Loopback interfaces, enter the keyword loopback 
followed by a number from 0 to 16383.
• For the management interface on the RPM, enter the keyword 
ManagementEthernet followed by the slot/port 
information. The slot range is 0-1 and the port range is 0.
• For the Null interface, enter the keywords null 0.
• For a Port Channel interface, enter the keywords port-
channel followed by a number. For the C-Series and S-
Series, the range is 1 to 128. For the E-Series, the range is 1 to 
255 for TeraScale and 1 to 512 for ExaScale.
• For a SONET interface, enter the keyword sonet followed by 
the slot/ port information.
• For a 10-Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet followed by the slot/port 
information.
• For a 40-Gigabit Ethernet interface, enter the keyword 
fortyGigE followed by the slot/port information.
• For VLAN interfaces, enter the keyword vlan followed by a 
number from 1 to 4094.
Command Modes
• EXEC
• EXEC Privilege
Command History
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.2.1.0 Added support for 4093 VLANs on the E-Series ExaScale. Prior 
releases supported 2094.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version 
6.2.1.1
Introduced on the E-Series.
Usage 
Information
The following describes the show interfaces description command shown in the 
Example below.
Field
Description
Interface Displays the type of interface and associated slot and port number.
731