wfFrSwVcRedirectType 1.3.6.1.4.1.18.3.5.9.6.7.1.56

Type of dte notification at switching time: 'transparent(1)' will not send notification to dte; 'intrusiven(2)' will send async update with NEW bit; 'intrusivea(3)' will send async update with A bit not set.