You have a Gateway that is running with 2 cores. You plan to add a second gateway to build a cluster and used a device with 4 cores. How many cores can be used in a Cluster for Firewall-kernel on the new device?
In a Check Point ClusterXL configuration, the number of cores used for the Firewall Kernel (CoreXL instances) must be the same across all cluster members to ensure proper synchronization and consistent performance. If one gateway has 2 cores and the other has 4 cores, the cluster will use only 2 cores for the Firewall Kernel on both devices.
In a Check Point cluster, the number of cores used for the Firewall Kernel (CoreXL instances) must be the same across all cluster members to ensure consistency and proper synchronization. Since the first gateway in this scenario is running with 2 cores, the new device with 4 cores will also need to limit its Firewall Kernel usage to 2 cores when added to the cluster.
Number of CoreXL Firewall instances on all Cluster Members must be the same (source:ClusterXL R81.10 Administration Guide page16)
The number of IPv4 CoreXL Firewall instances you can configure is from a minimum of two to a maximum equal to the total number of CPU cores on the Security Gateway
(source: Performance Tuning R81 Administration Guide/CoreXL/Configuring IPv4 and IPv6 CoreXL Firewall instances)
I think 3 fwk on new cluster with 4 core. 1 of them will be SND.
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