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khagskhap
khagskhap
New Member
December 21, 2022
Question

Question on FortiGate HA

  • December 21, 2022
  • 2 replies
  • 1260 views

Is it mandatory that replication must be active all the time between primary/active fortigate and secondary/passive fortigate?

If so, why the memory usage and other details are not in sync on both devices? Please explain with some examples. Thank you!

2 replies

Mohamed_Gaber
Mohamed_Gaber
Explorer III
December 21, 2022

"memory usage and other details are not in sync"; it is normal to be different as they depend on the load on each device. They Synchronize the routing table, DHCP information, running configuration

alif
Staff
alif
Staff
December 21, 2022

Hi @khagskhap,

 

All the sessions are not sync between master and slave units. The session table output will show different number of sessions on each device. Hence, you will see different CPU/Memory utilization on each unit in an HA Cluster.


Please refer to the below link for details.
https://community.fortinet.com/t5/FortiGate/Technical-Tip-HA-session-failover-session-pickup/ta-p/191165

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