I'm setting up ip sla operations between a voice router and access layer switches that have phones attached. The switch is defined in NPM with its network management layer 3 address. I also have interfaces defined on the voice vlan for each switch. In order to mimic voice traffic. I want to set up ip sla operations using the voice vlan interface as source/destination. NPM does not recognize the node using this address. Is there any way in Solarwinds to add that second address to a node? Thank you.