Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
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Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
show lacp
show lacp
Use the show lacp user EXEC command to display Link Aggregation Control Protocol (LACP)
channel-group information.
show lacp {channel-group-number {counters | internal | neighbor} | {counters | internal |
neighbor | sys-id}} [ | {begin | exclude | include} expression]
Syntax Description
Command Modes User EXEC
Command History
Usage Guidelines You can enter any show lacp command to display the active port-channel information. To display the
nonactive information, enter the show lacp command with a group number.
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 lacp counters command:
Switch> show lacp counters
LACPDUs Marker Marker Response LACPDUs
Port Sent Recv Sent Recv Sent Recv Pkts Err
---------------------------------------------------------------------
Channel group:1
Fa0/5 19 10 0 0 0 0 0
Fa0/6 14 6 0 0 0 0 0
Fa0/7 8 7 0 0 0 0 0
This is an example of output from the show lacp internal command:
Switch> show lacp 1 internal
Flags: S - Device is sending Slow LACPDUs F - Device is sending Fast LACPDUs
A - Device is in Active mode P - Device is in Passive mode
channel-group-number (Optional) Number of the channel group. The range is 1 to 6.
counters Display traffic information.
internal Display internal information.
neighbor Display neighbor information.
sys-id Display the system identifier that is being used by LACP. The system
identifier is made up of the LACP system priority and a MAC address.
| begin (Optional) Display begins with the line that matches the expression.
| exclude (Optional) Display excludes lines that match the expression.
| include (Optional) Display includes lines that match the specified expression.
expression Expression in the output to use as a reference point.
Release Modification
12.1(12c)EA1 This command was introduced.