https://community.checkpoint.com/t5/Firewall-and-Security-Management/ISP-Redundancy-weird-working/m-p/78533#M6045 <P>ISP Redundancy was activated on the gateway in Primary/Backup mode, but incoming traffic proceeds on one of the external interfaces and outgoing traffic goes from another external interface. I don't understand, why.<BR /><BR />Note: the gateway is the only node of the cluster.</P> Tue, 17 Mar 2020 11:53:13 GMT Mikhail_Demin 2020-03-17T11:53:13Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/ISP-Redundancy-weird-working/m-p/78533#M6045 <P>ISP Redundancy was activated on the gateway in Primary/Backup mode, but incoming traffic proceeds on one of the external interfaces and outgoing traffic goes from another external interface. I don't understand, why.<BR /><BR />Note: the gateway is the only node of the cluster.</P> Tue, 17 Mar 2020 11:53:13 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/ISP-Redundancy-weird-working/m-p/78533#M6045 Mikhail_Demin 2020-03-17T11:53:13Z https://community.checkpoint.com/t5/Firewall-and-Security-Management/ISP-Redundancy-weird-working/m-p/78567#M6046 <P>Outgoing will go out via the Default Gateway in Active/Standby Mode.&nbsp; &nbsp;If in Load Sharing then Static NAT goes out via Default Gateway.&nbsp; &nbsp; Hide NAT is Load Balanced.</P><P>&nbsp;</P><P>Inbound Traffic will simply arrive at whatever DNS resolves the name too and if that is the Standby Line then the inbound comes via the Standby Line.</P><P>Personally not a fan, either needs working on to make a worthwhile solution or consigning to bin and removing.</P> Tue, 17 Mar 2020 15:14:47 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/ISP-Redundancy-weird-working/m-p/78567#M6046 mdjmcnally 2020-03-17T15:14:47Z