Etherchannel: #Switchport mode acces/trunk

Working on the ICND2 for the second half of the interconnecting network devices at WGU. Now, I am just going through the different commands and configurations and playing with them and trying to understand what's going on.

On 1 configuration I can

#switchport mode access from the port-channel interface and it will give me the..

%SPANTREE-2-RECV_PVID_ERR: Received 802.1Q BPDU on non trunk FastEthernet0/11 VLAN1.

%SPANTREE-2-BLOCK_PVID_LOCAL: Blocking FastEthernet0/11 on VLAN0001. Inconsistent port type.

Syslog message. Now, I know already that bpduguard needs to be enabled on access ports. I'm just curious though, what's the point of #switchport mode access on an etherchannel interface?

What am I missing here? If I only have 1 VLAN does it need to be in trunking mode still?

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Comments

MitM

On an etherchannel interface, you'd want to use switchport mode access if the other side of the etherchannel is a server with bonded nics. No need for that to be a trunk port (unless the host is tagging vlans, then it would be a trunk)

What does your topology look like?

boxerboy1168

ooooooooo I totally get it now, yeah my etherchannel is switch to switch so setting up as a trunk port is properly done

I get it though makes total sense, appreciated