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Rewriting a VLAN Tag and Adding a New 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 replace the outer VLAN tag of the incoming frame with a user-specified VLAN tag value, include the swap-push statement in the input VLAN map or output VLAN map:




input-vlan-map {

swap-push;
}

output-vlan-map {

swap-push;
}

A user-specified outer VLAN tag is pushed in front. The outer tag becomes an inner tag in the final frame.

You can include this statement at the following hierarchy levels:

[edit interfaces interface-name unit logical-unit-number]
[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number]

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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