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Removing the Outer VLAN Tag and Rewriting the Inner VLAN Tag

On Ethernet IQ and IQ2 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 or 10-Gigabit Ethernet PICs on MX-series routing platforms, to remove the outer VLAN tag of the frame and replace the inner VLAN tag of the frame with a user-specified VLAN tag value, include the pop-swap statement in the input VLAN map or output VLAN map:




input-vlan-map {

pop-swap;
}

output-vlan-map {

pop-swap;
}

The inner tag becomes the outer tag in the final frame.

You can include this statements a the following hierarchy levels:

[edit interfaces interface-name unit logical-unit-number input-vlan-map]
[edit interfaces interface-name unit logical-unit-number output-vlan-map]
[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number input-vlan-map]
[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number output-vlan-map]

See Table 50 and Table 51 for information about configuring inner and outer VLAN ID values and inner and outer TPID values required for VLAN maps.

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