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Configuring Frames with Particular TPIDs to Be Processed as Tagged Frames

For Gigabit Ethernet IQ interfaces, aggregated Ethernet with Gigabit Ethernet IQ interfaces, Gigabit Ethernet PICs with SFPs (except the 10-port Gigabit Ethernet PIC and the built-in Gigabit Ethernet port on the M7i router), Tri-Rate Ethernet copper, and 10-Gigabit Ethernet interfaces, you can configure frames with particular TPIDs to be processed as tagged frames. To do this, you specify up to eight IEEE 802.1Q TPID values per port; a frame with any of the specified TPIDs is processed as a tagged frame; however, with IQ2 and IQ2-E interfaces, only the first four IEEE 802.1Q TPID values per port are supported. The stacked and rewriting Gigabit-Ethernet VLAN Tags are also referred to as Q-in-Q tunneling. To configure the TPID values, include the tag-protocol-id statement:

Use Feature Explorer to confirm platform and release support for specific features.

Review the Platform-Specific Frames with TPIDs Behavior section for notes related to your platform.

You can include this statement at the following hierarchy levels:

All TPIDs you include in input and output VLAN maps must be among those you specify at the [edit interfaces interface-name gigether-options ethernet-switch-profile tag-protocol-id [ tpids ]] or [edit interfaces interface-name aggregated-ether-options ethernet-switch-profile tag-protocol-id [ tpids ]] hierarchy level.

Platform-Specific Frames with TPIDs Behavior

Use Feature Explorer to confirm platform and release support for specific features.

Use the following table to review platform-specific behavior for your platform:

Platform

Difference

ACX Series

  • On ACX7000 Series routers that support frames with TPIDs:

    • Use 0x8100 as default TPID, if you do not mention TPID implicitly.

    • You can configure 3 other TPIDs per IFD apart from 0x8100.

Related Documentation