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Configuring VLAN Encapsulation

To configure encapsulation on an interface, enter the encapsulation statement at the [edit interfaces interface-name] hierarchy level:

[edit interfaces interface-name] encapsulation type;

The following list contains important notes regarding encapsulation:

  • Ethernet interfaces in VLAN mode can have multiple logical interfaces. In CCC and VPLS modes, VLAN IDs from 1 through 511 are reserved for normal VLANs, and VLAN IDs 512 through 4094 are reserved for CCC or VPLS VLANs. For 4-port Fast Ethernet interfaces, you can use VLAN IDs 512 through 1024 for CCC or VPLS VLANs.
  • For encapsulation type flexible-ethernet-services, all VLAN IDs are valid.
  • For some encapsulation types, including flexible Ethernet services, Ethernet VLAN CCC, and VLAN VPLS, you can also configure the encapsulation type that is used inside the VLAN circuit itself. To do this, include the encapsulation statement:
    encapsulation (vlan-ccc | vlan-tcc | vlan-vpls);

    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]
  • You cannot configure a logical interface with VLAN CCC or VLAN VPLS encapsulation unless you also configure the physical device with the same encapsulation or with flexible Ethernet services encapsulation. In general, the logical interface must have a VLAN ID of 512 or higher; if the VLAN ID is 511 or lower, it will be subject to the normal destination filter lookups in addition to source address filtering. However if you configure flexible Ethernet services encapsulation, this VLAN ID restriction is removed.

In general, you configure an interface’s encapsulation at the [edit interfaces interface-name] hierarchy level.

Example: Configuring VLAN Encapsulation on a Gigabit Ethernet Interface

Configure VLAN CCC encapsulation on a Gigabit Ethernet interface:

interfaces ge-2/1/0 {vlan-tagging;encapsulation vlan-ccc;unit 0 {encapsulation vlan-ccc;vlan-id 600;}}

Example: Configuring VLAN Encapsulation on an Aggregated Ethernet Interface

Configure VLAN CCC encapsulation on an aggregated Gigabit Ethernet interface:

interfaces ae0 {vlan-tagging;encapsulation vlan-vpls;unit 0 {vlan-id 100;}}
 

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Published: 2013-11-21

Supported Platforms

 

Related Documentation

 

Published: 2013-11-21