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Enabling VLAN Tagging

Junos OS supports receiving and forwarding routed Ethernet frames with 802.1Q virtual local area network (VLAN) tags and running the Virtual Router Redundancy Protocol (VRRP) over 802.1Q-tagged interfaces. For VPLS to function properly, configure the router to receive and forward frames with 802.1Q VLAN tags by including the vlan-tagging statement at the [edit interfaces interface-name] hierarchy level:

Gigabit Ethernet interfaces can be partitioned. You can assign up to 4095 different logical interfaces, one for each VLAN, but you are limited to a maximum of 1024 VLANs on any single Gigabit Ethernet or 10-Gigabit Ethernet port. The VLAN ID range for the Gigabit Ethernet interface type is 512 through 4094.