BIMS server IP address.
If the object is set with 0.0.0.0, hh3cDhcpServer2PoolBimsPort
is set with 0 and hh3cDhcpServer2PoolBimsKeyStr is set with
a zero-length string automatically.
Otherwise hh3cDhcpServer2PoolBimsPort and hh3cDhcpServer2PoolBimsKeyStr
must be set at the same time while hh3cDhcpServer2PoolBimsKeyStr
must be set with a non-zero length string.