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Stacking Two VLAN Tags


On Ethernet IQ, IQ2 and IQ2-E interfaces, on MX Series router Gigabit Ethernet, Tri-Rate Ethernet copper, and 10-Gigabit Ethernet interfaces, and on aggregated Ethernet interfaces using Gigabit Ethernet IQ2 and IQ2-E or 10-Gigabit Ethernet PICs on MX Series routers, to push two VLAN tags in front of tagged frames entering or exiting the interface, include the push-push statement in the input VLAN map or the output VLAN map:

You can include this statement at the following hierarchy levels:

See Rewrite Operations and Statement Usage for Input VLAN Maps and Rewrite Operations and Statement Usage for Output VLAN Maps for information about configuring inner and outer VLAN ID values and inner and outer TPID values required for VLAN maps.

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