H3C S9500 Series Operation Manual page 61

Operation Manual – VRRP
H3C S9500 Series Routing Switches
VRRP configuration. For the configuration of the same VRRP virtual router, complete
consistency for the number of virtual IP addresses, each virtual IP address, timer
duration and authentication type must be guaranteed.
III. Symptom 3: Frequent Master/Backup switchovers
Such problem occurs when the virtual router timer duration is too short. So the problem
can be solved through prolonging this duration or the preemption delay.
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Chapter 1 VRRP Configuration