An unprotected chain consists of four net elements; ME1, NE2, NE3 and NE4.
Create an end-to-end VC4 path NE1-NE4 and add NE5 between NE2 and NE3 for capacity expansion.
The original configuration remains unchanged and no services are configured on the NE5.
In this case, the unprotected chain becomes NE1-NE2-NE5NE3-NE4, how many VC4 paths can be searched?

Users can easily access NCE through a browser without having to install additional traditional client software.

EPL service uses the bandwidth on the line exclusively, which is very safe. It is suitable for dedicated line applications for VIP customers.

If a network port that supports auto-negotiation is connected to a network port that does not support auto-negotiation, half-duplex and full-duplex modes can be interconnected.

A PAUSE frames use reserved multicast addresses and are not forwarded by bridges or switches. In this way, the PAUSE frame does not generate any additional information.