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802. keluar cambodia hari ini 1Q Tunneling (Q-in-Q) Configuration. keuntungan bca prioritas adalah 802 1Q tunneling (aka Q-in-Q) is often used by Metro Ethernet providers as a layer 2 VPN for customers 802 1Q (or dot1q) tunneling is pretty simple…the provider will put an 802 1Q tag on all the frames that it receives from a customer with a unique VLAN tag By using a different VLAN tag for each