I have a customer requirement to deploy pairs of devices which are L2 isolated so that just the pair can see or talk to one another. This was achieved in DNA with L2VNs and everything worked when tested. However, the customer has thrown me a curve ba...

I am looking for a way for one VLAN to access all oryer VLANs. However, all other VLANs can only talk amongst themselves.  For example;VLAN 105 can access 101, 102 and 103However these VLANs can't not access each other and can't access 105.