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FusionAccess 6.5 F5 Configuration Guide 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
One-Arm Networking

One-Arm Networking

Networking Principles

In one-arm networking, only one service network segment connects to the core switch, and the virtual server IP address and pool member IP addresses reside on this network segment. The virtual server IP address and pool member IP addresses are on the same network segment, that is, 192.168.201.x.


  • The server gateway is configured on a Layer 3 switch.
  • External clients and servers can directly connect to each other, which is convenient.
  • Only data packets that require load balancing pass through the F5.
  • During load balancing, when client requests pass through the F5, source address translation is performed. Servers cannot learn the actual IP addresses of clients.
  • After passing through the F5, the source and destination IP addresses of client requests change after translation. This causes difficulties in fault diagnosis.
Updated: 2019-05-30

Document ID: EDOC1100062218

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