npac.AddVSA( radius.VSA{Vendor: 9, Type: 23, Value: []byte("10.20.30.40")} )

radius26 attributes.

For example:

npac.VSAadd(1, []byte{0x00, 0x00, 0x11, 0x2b}) // type:1 InputBasicRate

npac.VSAadd(12, []byte{0x00, 0x00, 0x11, 0x2b}) // type:2 InputAverageRate