Do I have to configure PVCs for interfaces on the DCE or DTE side of an FR link

You must configure a permanent virtual circuit (PVC) for the interface on the data circuit-terminating equipment (DCE) side. Otherwise, the device cannot be pinged.

You can configure a PVC for the interface on the data terminal equipment (DTE) side as required. If you configure a PVC for the interface on the DTE side, ensure that the data link connection identifier (DLCI) is the same as that on the DCE side.

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