Two releases of the Switch Port Mapper were done quickly on the heels of v2.30 - the reason was to address issues with SQLITE_BUSY messages seen by some users (but never by us). It occurs during a SELECT of one table and using some of the data from that SELECT to do an INSERT into a different table - same database file. By doing a BEGIN IMMEDIATE wrapping the statements, I was able to solve the problem. It didn't used to happen so it must be a change in SQLITE operation.
I also added in a message to tell the user when Ping Sweep is activate but the IP range for Ping Sweep is empty. That's important because if you want to use Ping Sweep to prepopulate arp tables or to get NetBIOS info from a set of target, you had better define the targets. Why is this needed? simple: most people are using the Switch Port Mapper to map Layer 2 switches that don't keep track of IPs, layer 2's keep track of MAC addresses. So you have to get the IPs by retrieving ARP tables and looking for the MAC addresses so you can work backwards and get the IP addresses.
Get Managed Switch Port Mapping Tool v2.32 here:
http://www.SwitchPortMapper.com/
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