hwWlanServiceBatchEssStartNumber
1.3.6.1.4.1.2011.6.139.4.7.1
The ess start number in batch operation. This node is used with node
hwWlanServiceBatchEssNumber, for example, hwWlanServiceBatchEssStartNumber
is set to one, and hwWlanServiceBatchEssNumber is set to three, then get
the node hwWlanServiceBatchReturnEssNumber,hwWlanServiceBatchEssName,
hwWlanServiceBatchEssSsid, that means start from the first ess, get three
ess's name and ssid list. if it dose not exist three esses, the
hwWlanServiceBatchReturnEssNumber will be the real ess number, otherwise,
it is equal to hwWlanServiceBatchEssNumber.