Thursday, July 1, 2021

QinQ L2 Transmission question

Hello,
I've got question about qinq. Normally, when there's only one qinq L2 transmission we are configuring that kinda like that (Edge-corE switches conf):
#interface ethernet 1/1
#switchport dot1q-tunnel mode access
#switchport allowed vlan add 100
#switchport native vlan 100
#switchport alloved vlan remove 1

#interface ethernet 1/2
#switchport dot1q-tunnel mode uplink
#switchport allowed vlan add 100 tagged
But when we want to provide more than one L2 qinq transmission to the same client we have to use selective qinq:
#interface ethernet 1/2
#switchport allowed vlan add 100,200 tagged
#switchport dot1q-tunnel mode uplink

#interface ethernet 1/1
#switchport allowed vlan add 20,100 tagged
#switchport dot1q-tunnel mode access
#switchport dot1q-tunnel service 100 match cvid 20

#interface ethernet 1/3
#switchport allowed vlan add 30,200 tagged
#switchport dot1q-tunnel mode access
#switchport dot1q-tunnel service 200 match cvid 30

What if i don't want to do that selectively but just passthrough all the vlans in that qinq transmission? I just don't wanna know what vlans is my client use and have no impact to that (f.e. adding extra vlans in the future). I want to add that this qinq will go through Edge-CorE and TP-Link switch.



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