What is the recommended way to have a redundant Sync connection between the cluster nodes?
A.
In the SmartConsole / Gateways & Servers -> select Cluster Properties / Network Management and define two Sync interfaces per node. Connect both Sync interfaces without using a switch.
B.
Use a group of bonded interfaces. In the SmartConsole / Gateways & Servers -> select Cluster Properties / Network Management and define a Virtual IP for the Sync interface.
C.
In the SmartConsole / Gateways & Servers -> select Cluster Properties / Network Management and define two Sync interfaces per node. Use two different Switches to connect both Sync interfaces.
D.
Use a group of bonded interfaces connected to different switches. Define a dedicated sync interface, only one interface per node using the SmartConsole / Gateways & Servers -> select Cluster Properties / Network Management.
BUT:
https://support.checkpoint.com/results/sk/sk92804
Connect the Sync bond interface of each member to the same switch or VLAN or Back-to-Back.
If the same VLAN can be on different switches then the answer should be absolutly correct,
Few comments here so lets clear this up.
A&C are incorrect as they define two sync interfaces, only one sync interface is required.
B is incorrect as a Virtual IP is not used for Sync interfaces
D is the only answer left that is valid, bonded interfaces via different switches provides best resilience
https://sc1.checkpoint.com/documents/R81.10/WebAdminGuides/EN/CP_R81.10_ClusterXL_AdminGuide/Topics-CXLG/ClusterXL-Requirements-and-Compatibility.htm?tocpath=ClusterXL%20Requirements%20and%20Compatibility%7C_____1#Supported_Topologies_for_Synchronization_Network
Based on this practical installation aritcle im going with D on this
https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk92804#Procedure
Bond interface - B or D.
"same switch" - B
"The bond slave interfaces on each Cluster Member must connect to the same switch"
https://sc1.checkpoint.com/documents/R80.30/WebAdminGuides/EN/CP_R80.30_ClusterXL_AdminGuide/html_frameset.htm?topic=documents/R80.30/WebAdminGuides/EN/CP_R80.30_ClusterXL_AdminGuide/198062
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nmrouter
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