Issue Description
Q: What is the range of sub-interface ID of L3 board of NE40?
Handling Process
A:
The sub-interface ID of ATM interface ranges in 1~2047.
The sub-interface ID of GigabitEthernet ranges in 1~1023.
The sub-interface ID of Ethernet interface ranges in 1~255.
The sub-interface ID of ETH-TRUNK interface ranges in 1~255.