3com MSR 20-20 참조 매뉴얼

debugging lacp packet [ interface interface-type interface-number [ to interface-type 
interface-number ] ]

undo debugging lacp packet [ interface interface-type interface-number [ to 
interface-type interface-number ] ]

User view

1: Monitor level

interface-type interface-number: Port type and port number.

to: Specifies the ports with their port type and port number within the port range 
enclosed by the two interface-type-interface-number argument pairs around this 
keyword.

Use the debugging lacp packet command to enable debugging for LACP 
protocol packets on the specified port(s).

Use the undo debugging lacp packet command to disable debugging for 
LACP protocol packets on the specified port(s).

By default, debugging for LACP protocol packets is disabled on a port.

If no port is specified, the command applies to all the ports running LACP.

Table 76   Description on the fields of the debugging lacp packet command

size 

Size of a protocol packet, which is 128 bytes. 

subtype 

Sub type of a protocol packet, which is 1 for 
LACP protocol packets. 

version 

Protocol version, which is 1 for LACP.