Show L2Tcam - Cisco Catalyst 3550 Command Reference Manual
Multilayer switch
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Also See for Catalyst 3550:
- Command reference manual (662 pages) ,
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- Hardware installation manual (106 pages)
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show l2tcam
show l2tcam
Use the show l2tcam privileged EXEC command to display information about the portion of the ternary
content addressable memory (TCAM) devoted to Layer 2 addresses. Use the keywords to display
forwarding (bridging) or learning (MAC address learning) information or to display allocation statistics
of MAC address types.
Syntax Description
cam
forwarding
entry-id
learning
shadow
| begin
| exclude
| include
expression
Command Modes
Privileged EXEC
Command History
Release
12.1(4)EA1
Usage Guidelines
This display provides information that might be useful for Cisco technical support representatives
troubleshooting the switch.
Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
Examples
This is an example of output from the show l2tcam cam learning command:
Switch# show l2tcam cam learning
mask 1156
mask 1157
mask 1158
mask 1159
9248
9249
9250
9251
Catalyst 3550 Multilayer Switch Command Reference
2-410
show l2tcam {cam {forwarding [entry-id] learning} | shadow} [ | {begin | exclude | include}
expression]
Display contents and associated information about TCAM Layer 2 contents. This
display output is a raw hex dump of information, intended for a Cisco technical
support representative.
Display TCAM Layer 2 forwarding (bridging) information.
Number from 0 to 4294967295 identifying a forwarding entry.
Display TCAM Layer 2 learning (MAC address learning) information.
Display allocation statistics for various address types of MAC addresses that the
software keeps track of. Address types are identified only by number.
(Optional) Display begins with the line that matches the expression.
(Optional) Display excludes lines that match the expression.
(Optional) Display includes lines that match the specified expression.
Expression in the output to use as a reference point.
Modification
This command was introduced.
F7 FFFFFFFF FFFFFFFF
F7 FFFFFFFF FFFFFFFF
F7 FFFFFFFF FFFFFFFF
F7 FFFFFFFF FFFFFFFF
00 00000000 00000000
00 00000000 00000000
00 00000000 00000000
18 00010002 4B293A00
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
80070000
80060000
80070000
80020000
OL-8566-01
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