FAQ: the network interface distribution and function of USG9100 main control board and service board
A: main control board network interface and the function:
COM interface: used for connecting to the console, used to realize the system on-site configuration function.
LAN - 0 LAN - 1: the management interface of the MSU board, support 10 base-t / 100 base-t TX / 1000 base-t.
AMC - Eth: remained, at present do not use.
B: Service plate network interface function:
COM interface: used for debugging maintenance, not open to users.
LAN - 0 LAN - 1: upgrade the bootrom.
USB: realize cipher key access such as encryption KEY and so on and board data external storage.
At present device whether support the double main control?
Do not support. At present backup MSU only use the function of switch board. Subsequent USG9000 version supports it.