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Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2    Catalyst 3750 Switch  Cisco IOS Commands
  show lacp
This is an example of output from the show lacp neighbor command: 
Switch> show lacp neighbor 
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 3 neighbors
Partner’s information:
          Partner               Partner                     Partner
Port      System ID             Port Number     Age         Flags
Gi2/0/1   32768,0007.eb49.5e80  0xC              19s        SP
          LACP Partner         Partner         Partner
          Port Priority        Oper Key        Port State
          32768                0x3             0x3C
Partner’s information:
          Partner               Partner                     Partner
Port      System ID             Port Number     Age         Flags
Gi2/0/2   32768,0007.eb49.5e80  0xD              15s        SP
          LACP Partner         Partner         Partner
          Port Priority        Oper Key        Port State
          32768                0x3             0x3C
Admin Key Administrative key assigned to this port. LACP automatically 
generates an administrative key value as a hexadecimal number. 
The administrative key defines the ability of a port to aggregate 
with other ports. A port’s ability to aggregate with other ports is 
determined by the port physical characteristics (for example, 
data rate and duplex capability) and configuration restrictions 
that you establish.
Oper Key Runtime operational key that is being used by this port. LACP 
automatically generates this value as a hexadecimal number.
Port Number Port number.
Port State State variables for the port, encoded as individual bits within a 
single octet with these meanings:
  • bit0: LACP_Activity
  • bit1: LACP_Timeout
  • bit2: Aggregation
  • bit3: Synchronization
  • bit4: Collecting
  • bit5: Distributing
  • bit6: Defaulted
  • bit7: Expired
Note In the list above, bit7 is the MSB and bit0 is the LSB.
Table 2-33 show lacp internal Field Descriptions (continued)
Field Description