I am not going to you use your diagram just explaining here:
Below explanation in layman term:
Access Port---Means untagged port.
Switchport mode access
Switchport access vlan 10 >> Which means the port is part of vlan 10 and its in untagged state.
Trunk Port--Means Tagged Port:
Switchport mode trunk
Switchport trunk allowed vlan 10 >>> Which means that if the trunk is up and working fine the packet going out of this interface would have tag on it with vlan 10. Trunk port - frames will be sent with VLAN tag. If only one VLAN allowed, then only frames with allowed vlan tag will be sent
Switchport trunk allowed native vlan 20 >>> Which means that the packet though it is passing through the trunk port but still it would not be tagged.
Another way of explaining this would be:
A trunk allows pretagged packets to passthrough without changing the tag while an access port takes the packets it receives and retags them.
Ex. To setup a trunk to allows all vlans(pretagged) traffic to flow to and from it
switchport mode trunk <------ explicitly making this port a trunk rather than allowing it to "negotiate" its role (only command needed)
Ex. To setup an access port and telling to tag the traffic as vlan 10
switchport mode access <----- explicitly making this an access port rather than allowing it to "negotiate" its role
switchport access vlan 10 <--------- tell this interface to tag any traffic entering the port as vlan 10
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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