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Configuring the ATM-to-Ethernet Interworking Logical Interface VPI

Configure the ATM logical interface virtual path identifier by including the vpi statement at the [edit interfaces interface-name unit logical-unit-number] hierarchy level:

[edit interfaces interface-name unit logical-unit-number]
vpi virtual-path-identifier;

VPI 0 is reserved, and must not be used.

It is the administrator’s responsibility to ensure the outer VLAN tag and VPI match and the inner VLAN tags fall within the VCI range of the VPI.

Once a VPI is used in an ATM-to-Ethernet interworking cross-connect, it cannot be used with any other logical interface, even if the vpi.vci value falls outside the VCI range for the cross-connect.


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