Polycom SoundStructure C16 Design Manual page 399

Authentication Parameters
sys_num_auth_connections
sys_num_connections
sys_num_open_connections
Polycom, Inc.
This parameter returns the total number of Ethernet connections for
which eth_auth_mode is set to auth.
This parameter returns the total number of Ethernet connections to the
system and is equal to the sum of sys_num_auth_connections +
sys_num_open_connections.
This parameter returns the total number of Ethernet connections for
which eth_auth_mode is open.
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