LevelOne AMG-2100 User Manual page 170

And then create a Local Site with subnet for mapping to the remote site.
Such as "192.168.11.0/24" of AMG-2100/AMG-2101_A >> "192.168.111.0/24" of
AMG-2100/AMG-2101_B, after the tunnel is created, the users within these two subnets can reach each
other.
Caution:
You can create more than one VPN tunnel, but the IP segment mapping can not be overlap that same
IP segment has more than one routing rule.
AMG-2100 Gigabit Access and AP Management Gateway/
AMG-2101 Gigabit Access and AP Management Gateway Plus
165
User's Manual