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Status Not under consideration
Workspace DataPower Gateway
Created by Guest
Created on May 13, 2024

RELATED IDEAS

why EVEN TCP SOURCE PORT for remote access ?

it seems like the appliance is opening remote connections with always a even source port as shown within file : KLM-Even-Src-Port.pdf

Our network team indicated that it may raise an issue on F5 ( BIPIP equipment ) because it uses the same processor.

In case the source port is a random value ( even and odd ) then probably the transaction will be load balanced properly.

Is there any type of configuration on datapower that might explain his behavior (even source port ) ?

KLM-Even-Src-Po...
KLM-Even-Src-Port.pdf
Open full size
KLM-Even-Src-Port.pdf
Idea priority High
  • Admin
    Ulas Cubuk
    Reply
    |     Jul 4, 2024

    Thanks for raising this - in this particular case, this behavior is working as designed.

    This was enhancement to the underlying Linux kernel for better use of ephemeral ports and reduce contention between connect() and bind(). You can find the answer to your questions in the following RHEL technote: Why only even number source ports are assigned as ephemeral TCP source port? (link)

  • Guest
    Reply
    |     May 28, 2024

    It will be interesting to link this requirement with LACP configurations

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