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201 · Question #307

Which IP address will the client address be changed to when SNAT automap is specified within a Virtual Server configuration?

The correct answer is A. The floating self-IP address on the VLAN where the packet leaves the system. When SNAT automap is enabled on a virtual server, the client's source IP address is translated to the floating self-IP address on the VLAN where the packet leaves the BIG-IP system.

Section 2: Configure Load Balancing Features

Question

Which IP address will the client address be changed to when SNAT automap is specified within a Virtual Server configuration?

Options

  • AThe floating self-IP address on the VLAN where the packet leaves the system.
  • BThe floating self-IP address on the VLAN where the packet arrives on the system.
  • CIt will alternate between the floating and non floating self-IP address on the VLAN where the packet
  • DIt will alternate between the floating and non floating self-IP address on the VLAN where the packet

How the community answered

(50 responses)
  • A
    88% (44)
  • B
    4% (2)
  • C
    6% (3)
  • D
    2% (1)

Why each option

When SNAT automap is enabled on a virtual server, the client's source IP address is translated to the floating self-IP address on the VLAN where the packet leaves the BIG-IP system.

AThe floating self-IP address on the VLAN where the packet leaves the system.Correct

SNAT automap automatically translates the client's source IP address to a floating self-IP address. This specific self-IP is chosen from the VLAN on which the server-side traffic exits the BIG-IP system towards the destination pool member.

BThe floating self-IP address on the VLAN where the packet arrives on the system.

SNAT automap uses the floating self-IP of the VLAN where the packet leaves the system (egress), not where it arrives (ingress).

CIt will alternate between the floating and non floating self-IP address on the VLAN where the packet

SNAT automap exclusively uses floating self-IP addresses for translation and does not alternate between floating and non-floating self-IP addresses.

DIt will alternate between the floating and non floating self-IP address on the VLAN where the packet

SNAT automap exclusively uses floating self-IP addresses for translation and does not alternate between floating and non-floating self-IP addresses.

Concept tested: SNAT automap functionality

Source: https://support.f5.com/csp/article/K7820

Topics

#SNAT automap#self-IP address#VLAN#source IP translation

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