Symptom

Customer upgraded Cedge from SDWAN 16.12.4 to c1100-mono-universalk9.17.03.03.SPA.pkg. After upgrade Cedge boot up in autonomous mode instead of Controller mode. 02/23 10:24:03 device managed mode autonomous ====================== Device mode is autonomous 02/23 10:24:23 continue in AUTONOMOUS mode setting device mode to autonomous in rommon We had to take console of the router and then manually mode to controller mode. Thu Feb 24 04:11:50 2022 Write to startup-config SUCCESS Thu Feb 24 04:11:53 2022 Mode change success CLI Thu Feb 24 04:11:53 2022 Mode changed from Autonomous to Controller by CLI 02/24 04:14:09 device managed mode controller

Conditions

'show romvar' shows below rommon variable ------------------ show romvar ------------------ ROMMON variables: PS1 = rommon ! > ETHER_PORT = 0 DEVICE_MANAGED_MODE = autonomous <===

Workaround

From linux shell, execute below sequence Step1: Get the rommon variable /usr/binos/bin/flashutil -c getvar -N "DEVICE_MANAGED_MODE" Step2: Set the rommon variable to controller /usr/binos/bin/flashutil -c setvar -N "DEVICE_MANAGED_MODE" -V "controller" Step3: Get again to confirm. /usr/binos/bin/flashutil -c getvar -N "DEVICE_MANAGED_MODE"

Further Problem Description