Specifications

IP Switching Commands
show cef linecard
ISW-137
Cisco IOS IP Switching Command Reference
May 2008
show cef linecard
To display Cisco Express Forwarding (CEF)-related information by line card, use the show cef linecard
command in user EXEC or privileged EXEC mode.
show cef linecard [slot-number] [detail] [internal]
Syntax Description
Command Modes User EXEC
Privileged EXEC
Command History
Usage Guidelines This command is available only on distributed switching platforms.
When you omit the slot-number argument, information about all line cards is displayed. When you omit
the slot-number argument and include the detail keyword, detailed information is displayed for all line
cards. When you omit the slot-number argument and include the internal keyword, detailed internal
information is displayed for all line cards.When you omit all keywords and arguments, the show cef
linecard command displays important information about all line cards in table format.
slot-number (Optional) Slot number for the line card about which to display
CEF-related information. When you omit this argument, information
about all line cards is displayed.
detail (Optional) Displays detailed CEF information for the specified line
card.
internal (Optional) Displays internal CEF information for the specified line
card.
Release Modification
11.2 GS This command was introduced to support the Cisco 12012 Internet router.
11.1 CC Multiple platform support was added.
12.0(10)S Output display was changed.
12.1(2)T This command was integrated into Cisco IOS Release 12.1(2)T.
12.0(22)S This command was integrated into Cisco IOS Release 12.0(22)S, and the
display output was modified to include support for CEF for IPv6 (CEFv6)
and distributed CEFv6 (dCEFv6) line card information.
12.2(13)T The display output modifications made in Cisco IOS Release 12.0(22)S were
integrated into Cisco IOS Release 12.2(13)T.
12.2(14)S This command was integrated into Cisco IOS Release 12.2(14)S.
12.2(28)SB This command was integrated into Cisco IOS Release 12.2(28)SB.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
12.2(33)SXH This command was integrated into Cisco IOS Release 12.2(33)SXH.