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Configuring Mixed Tagging Support for Untagged Packets

For 1-, 4-, and 8-port Gigabit Ethernet IQ2 PICs, for 1-port 10-Gigabit Ethernet IQ2 PICs, for all MX-series router Gigabit Ethernet, Tri-Rate Ethernet copper, and 10-Gigabit Ethernet interfaces configured for 802.1Q flexible VLAN tagging, and for aggregated Ethernet interfaces on IQ2 PICs or MX-series DPCs, you can configure mixed tagging support for untagged packets on a port. Untagged packets are accepted on the same mixed VLAN-tagged port. To accept untagged packets, include the native-vlan-id statement and the flexible-vlan-tagging statement at the [edit interfaces interface-name] hierarchy level:



[edit interfaces ge-fpc/pic/port]

flexible-vlan-tagging;

native-vlan-id number;

The logical interface on which untagged packets are to be received must be configured with the same native VLAN ID as that configured on the physical interface. To configure the logical interface, include the vlan-id statement (matching the native-vlan-id statement on the physical interface) at the [edit interface interface-name unit logical-unit-number] hierarchy level.

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