Layer 4 SNAT mode

What is the Layer 4 SNAT mode load balancing method?

This mode is also a high performance solution but not as fast as the other layer 4 modes. It does not require any changes to the Real Servers and can be deployed in one-arm or two-arm mode.

This mode is ideal for example when you want to load balance both TCP and UDP but you’re unable to use DR mode or NAT mode due to network topology or Real Server related reasons.

Layer 4 SNAT mode is non-transparent by default i.e. the Real Servers will see the source IP address of the load balancer.

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