AC - Attachment Circuit

The physical or virtual circuit attaching a CE to a PE. An AC can be a Frame Relay DLCI , an ATM VPI / VCI , an Ethernet port, a VLAN , a HDLC , a connection on a physical interface, a PPP session from an L2TP tunnel, an MPLS LSP , etc.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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