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201 · Question #179

Refer to the exhibit. A connection is being established to IP 1.1.1.1 on port 8080. Which virtual server will handle the connection?

The correct answer is B. host_vs. The host_vs virtual server will handle the connection to IP 1.1.1.1 on port 8080 because it is configured as a Standard virtual server with an exact match for the destination IP and port.

Configure Load Balancing Features

Question

Refer to the exhibit. A connection is being established to IP 1.1.1.1 on port 8080. Which virtual server will handle the connection?

Exhibit

201 question #179 exhibit

Options

  • Afwd_8080_vs
  • Bhost_vs
  • Chost_ 8080_VS
  • Dfwdvs

How the community answered

(44 responses)
  • A
    14% (6)
  • B
    77% (34)
  • C
    7% (3)
  • D
    2% (1)

Why each option

The `host_vs` virtual server will handle the connection to IP 1.1.1.1 on port 8080 because it is configured as a Standard virtual server with an exact match for the destination IP and port.

Afwd_8080_vs

`fwd_8080_vs` is likely a Forwarding (IP) virtual server or configured with a broader destination, making it less specific than an exact match by `host_vs`.

Bhost_vsCorrect

The `host_vs` virtual server is configured to specifically listen on IP 1.1.1.1 and port 8080, making it the precise handler for the incoming connection.

Chost_ 8080_VS

If `host_vs` is the intended handler, `host_ 8080_VS` would either not have the exact matching configuration or `host_vs` would take precedence based on virtual server type or order.

Dfwdvs

`fwdvs` typically represents a generic Forwarding (IP) virtual server with wildcard IP (0.0.0.0) and port (0), which is the least specific and will not be selected when a more specific virtual server exists.

Concept tested: F5 BIG-IP virtual server matching and precedence

Source: https://techdocs.f5.com/en-us/bigip-15-1-0/big-ip-local-traffic-management-concepts/virtual-servers.html

Topics

#Virtual server matching#IP/port#Traffic processing#Virtual server types

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