IP Services Intermediate ~8 min · multi-device

Make R1 the HSRP active router

R1 and R2 both share the LAN 10.0.0.0/24 via their Gi0/0 interfaces (both already IP'd and up). Configure HSRP group 1 with virtual IP 10.0.0.254 on both routers. Set R1's priority to 110 and enable preempt so it becomes and stays the active router.

Topology

Objectives

○R1 Gi0/0 has HSRP group 1 vip 10.0.0.254
○R2 Gi0/0 has HSRP group 1 vip 10.0.0.254
○R1 priority is above 100 (default), any valid winning priority is accepted
○R1 preempt enabled
○R1 wins the active election
○Verified with show standby brief (or show standby)

Hints

Hint 1, priority + preempt

Higher priority wins active. But without preempt, a router that comes up second won't take over even with a higher priority. Always pair them for the "make R1 active" case.

Hint 2, full sequence

# On R1
enable
configure terminal
 interface gi0/0
  standby 1 ip 10.0.0.254
  standby 1 priority 110
  standby 1 preempt
  end

# On R2 (defaults are fine: priority 100, no preempt)
enable
configure terminal
 interface gi0/0
  standby 1 ip 10.0.0.254
  end

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Make R1 the HSRP active router

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