I've been seeing that most of our Cisco gear does not populate the Transparent Bridge Table. I know it used to. Essentially, our port level discovery and host finder are useless when you can't get a list of MACs and the port they were heard on.
I can see in some devices, there's an option to select the "Per VLAN" filter, but it still doesn't work even if I can get the device to send me the list of VLANs. I'm certain that others see this too, but I haven't seen any traffic on it. Anybody else dealing with this? Michael S. Votaw Network Monitoring (Spectrum / eHealth) Regional Cyber Center - Europe, 5th Signal Command Northrop Grumman Contractor
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