9.3.3 Packet Tracer - Hsrp Configuration Guide -

We set the priority to 150 (default is 100) to ensure R1 is the primary. The preempt command allows R1 to take back control if it reboots. 2. Configure R3 (Standby)

Repeat the process on R3’s LAN interface (G0/0), but keep the default priority. 9.3.3 packet tracer - hsrp configuration guide