Issue Description

Sangfor VPN adds multiple branches, but it display warning message showing Device IDs are conflicting when tunnel is being added. The original tunnel was destory.

Error/Warning Logs

Handling Process

1.Go to Network > Interface found MAC addresses of Eth0 and ETH1 of different branches are the same.

Root Cause

Device ID is generated based on the MAC address of the device interface, conflicts occur when different branch MAC addresses are the same.

Solution

Restore the MAC address of interface to default to avoid it conflict.