Vlan dot1q Tag untag Native Switch Settings

Brief tutorial for vlan behaviour in different conditions :

access (vlan 10) - access (vlan 10)
Forwarding packet in the same vlan (untagged)

access (vlan 10) - trunk (tag vlan 10)
Packet will be forwarded tag vlan 10

access (vlan 10) - trunk native (vlan 10)
Packet will be forwarded in untagged mode through the trunk, because in the same vlan. Native vlan mode is untagged.

vlan dot1q tag native
this command is  used to make native vlan in tagged mode.

(access vlan 10) SW1 (access vlan 10 ) ~ (vlan 10 access) SW2 (trunk tag vlan 10) ~ (trunk tag vlan 10) SW3 (access vlan 10) ~ (access vlan 10) SW4 (access vlan 10)

The packet will get through using vlan 10, tagged in vlan 10 id.

(access vlan 10) SW1 (access vlan 10 ) ~ (vlan 10 access) SW2 (trunk native vlan 10) ~ (trunk native vlan 10) SW3 (access vlan 10) ~ (access vlan 10) SW4 (access vlan 10)

the packet will get through using vlan 10 in untagged mode

(access vlan 10) SW1 (access vlan 10 ) ~ (vlan 10 access) SW2 (trunk native vlan 10) ~ (trunk native vlan 10) SW3 (access vlan 10) ~ (access vlan 10) SW4 (access vlan 10)

Tagging vlan 10 will give an id for vlan 10, after stripping tag id, we can find the access for vlan 10.