#switchport mode trunk

I am configuring etherchannel on my physical lab currently on a 3750 and a 2950.

#vlan 10
#interface vlan 10
#name VLAN10
#exit
#interface range fa 0/1 - 2
#switchport access vlan 10
#switchport mode trunk

When I get to the switchport mode trunk portion of the configuration it takes my interfaces out of vlan 10 why is that?

Am I not suppose to configure them as trunk ports for etherchannel?

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boxerboy1168

this is the configuration I added after making this post not sure if I'm doing this correctly

networker050184

For a trunk you'll want to specify a list of allowed VLANs, not a single access VLAN. Something along the lines of "switchport trunk allowed vlan 10,20,30" for the list of VLANs you want trunked over the port. The "switchport access vlan x" tells the port what VLAN it should be a member of when it's in access mode.

boxerboy1168

Got it thank you!

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