HW: 8100 RA
SW: China Telecom CDMA-LTE InterRAT suite
We may see TestManager display "UE failed to negotiate VSNCP for PDN". Open AAC2K log, we see VSNCP fails with error code "Admin Prohibited":
This failure always happen when script is performing eHRPD -> LTE - >eHRPD scenario, so in Phase 3 (LTE - >eHRPD) script is expecting "Handover Attach", but UE is sending "Initial Attach":
To resolve this, we need change UE configuration via adb tool as below:
adb shell setprop persist.radio.snapshot_timer 22 adb shell setprop persist.radio.snapshot_enabled 1