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New Member

etherchannel port state = ag-not-inuse

Hello

I am pretty sure of the answer to this but can't find any reference to it online.

I am running the command "show etherchannel 20 detail" on a 6500 with ios 12.2(25)  and getting the following output:

6513#show etherchannel 20 detail
Group state = L2
Ports: 2   Maxports = 16
Port-channels: 1 Max Port-channels = 16
Protocol:   LACP
                Ports in the group:
                -------------------
Port: Gi10/40
------------

Port state    = Up Sngl-port-Bndl Mstr Not-in-Bndl
Channel group = 20          Mode = Active      Gcchange = -
Port-channel  = null        GC   =   -         Pseudo port-channel = Po20
Port index    = 0           Load = 0x00        Protocol =   LACP

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.

Local information:
                            LACP port     Admin     Oper    Port        Port
Port      Flags   State     Priority      Key       Key     Number      State
Gi10/40   SA      indep     32768         0x14      0x14    0xA28       0x7D 

Age of the port in the current state: 1d:04h:41m:46s

Port: Gi10/41
------------

Port state    = Up Sngl-port-Bndl Mstr Not-in-Bndl
Channel group = 20          Mode = Active      Gcchange = -
Port-channel  = null        GC   =   -         Pseudo port-channel = Po20
Port index    = 0           Load = 0x00        Protocol =   LACP

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.

Local information:
                            LACP port     Admin     Oper    Port        Port
Port      Flags   State     Priority      Key       Key     Number      State
Gi10/41   SA      indep     32768         0x14      0x14    0xA29       0x7D 

Age of the port in the current state: 1d:04h:41m:46s

                Port-channels in the group:
                ----------------------

Port-channel: Po20    (Primary Aggregator)

------------

Age of the Port-channel   = 7d:04h:56m:48s
Logical slot/port   = 14/18          Number of ports = 0
Port state          = Port-channel Ag-Not-Inuse
Protocol            =   LACP

Now, I would say that the Port State outputs of Up Sngl-port-Bndl Mstr Not-in-Bndl and Ag-Not-Inuse mean that the other end is not using LACP or PAGP (lacp in this case) but I cant find any documentation to confirm that.

So, what I am looking for is what the output of the Port State field means, and, if there is a link somewhere to the different outputs as I cant find it explained in the command reference or on any forums.


Thanks in advance

Anthony

  • LAN Switching and Routing
Everyone's tags (4)
2 ACCEPTED SOLUTIONS

Accepted Solutions
New Member

etherchannel port state = ag-not-inuse

Hi Anthony ,

If you change the chaneel-group 20 mode on , and check the status of 6513#show etherchannel 20 detail
you should get Port state = Up Mstr In-Bndl.

Let me check for any info reg your question...

With Rgds,

Satish

New Member

etherchannel port state = ag-not-inuse

Hi , T

If the other end device and the switch (depending on your platform and IOS version) supports 802.3ad, you can use channel-group mode mode active, which is the IEEE equivalent of mode 'desirable.'

If one or both of the devices do not support 802.3ad, then you can use channel group mode on, on the switch, which will disable negotiation of the channel and  forces the LAN ports to channel unconditionally.

With rgds,

Satish

3 REPLIES
New Member

etherchannel port state = ag-not-inuse

Hi Anthony ,

If you change the chaneel-group 20 mode on , and check the status of 6513#show etherchannel 20 detail
you should get Port state = Up Mstr In-Bndl.

Let me check for any info reg your question...

With Rgds,

Satish

New Member

etherchannel port state = ag-not-inuse

Hi , T

If the other end device and the switch (depending on your platform and IOS version) supports 802.3ad, you can use channel-group mode mode active, which is the IEEE equivalent of mode 'desirable.'

If one or both of the devices do not support 802.3ad, then you can use channel group mode on, on the switch, which will disable negotiation of the channel and  forces the LAN ports to channel unconditionally.

With rgds,

Satish

New Member

etherchannel port state = ag-not-inuse

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