Difference between the function of the NM_ETH port and that of the ETH port on the TN11AUX board

1. The TN11AUX board uses the NM_ETH port to connect to the NMS server so that the NE where the board resides functions as a gateway NE, or uses this port to connect to another device to implement extended ECC communication.
2. The ETH port of the TN11AUX board can be used only to cascade subracks on the same NE.

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