SPC (Software Permanent Connection). It is the business connection between PC and SC. The user to the network part is directly configured by the network management management plane, and the connection of the network part is initiated by the network management management plane to the ingress network element control plane, which is completed by the ingress network element control plane through signaling
The device perceives the frame structure, fixed framing mode, and encapsulation mode of time slot information in the TDM circuit:
What are the precautions for configuring MPLS Tunnel on Hybrid MSTP? (multiple choice)
Which of the following statements about PTN equipment Tunnel APS, PW APS, LMSP (1:N) protection is incorrect?
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