Has anyone come across an OID for drive space? I figured ipMonitor would have barracuda in its MIB DB....
Here is a listing of the OIDs and values for the Spam Firewall, a fairly popular device, if anyone is still in need of it...
Here you can also find more info from the barracuda website:
http://spamfilter.barracudanetworks.com/ns/downloads/Other/OTHER_Barracuda_Spam_&_Virus_Firewall_SNMP.4.pdf