| ''leftsubnet'' | Network serviced by the server | AAA.BBB.CCC.DDD/MM, 1111.2222.3333.4444.5555.6666.7777.8888/MM |
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| ''leftsubnet'' | Network serviced by the server | **IPv4:** ''x.x.x.x/m'', where \\ ''x'' — a decimal number from 0 to 255, \\ ''m'' — the subnet mask, a decimal number from 0 to 32 \\ **IPv6:** ''y:y:y:y:y:y:y:y/n'', where \\ ''y'' — a hexadecimal number from 0000 to FFFF, \\ ''n'' — the subnet mask, a decimal number from 0 to 128 |