Bug ID 453200: Interoperability issue with Linux MPTCP implementation

Last Modified: Jul 12, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Fixed In:

Opened: Mar 19, 2014

Severity: 3-Major


If a Linux client has GRO (Generic Receive Offload) enabled and connects to a BIG-IP using MPTCP with checksumming, the Linux client may occasionally close the connection with a spurious MPTCP Checksum error.


Connection may fail.


Linux client system using MPTCP with checksums and GRO enabled.


A workaround is to disable GRO on the Linux client system using ethtool.

Fix Information

Improve generation of MPTCP checksums.

Behavior Change

Guides & references

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