Is the Machine Type or Vendor Showing up as Unknown or [Unknown]?
If it is showing up as [Unknown] then it is only monitored by ICMP only. Devices that display with Unknown vendors or Machine Type do not have a SysObjectID corresponding to the device vendor in the Orion database and submit it through this Tell us your "Unknown" devices! to be added in the next release.
AlreadyTell us your "Unknown" devices! on Oct, 26th with the following details.
Cisco ACS Appliance v5.3
Vendor: Cisco Systems Inc. (at ENTITY-MIB 184.108.40.206.220.127.116.11.18.104.22.168.1 entPhysicalMfgName.1)
Model: CSACS-1121-K9 (at ENTITY-MIB 22.214.171.124.126.96.36.199.188.8.131.52.1 entPhysicalModelName.1)