Bug ID 468820: MPTCP Flows may hang whan an MTU mismatch occurs on the network.

Last Modified: May 14, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2

Fixed In:
11.6.0, 11.5.4 HF3

Opened: Jun 24, 2014
Severity: 3-Major

Symptoms

System did not correctly handle the ICMP message reporting an MTU mismatch for MPTCP traffic.

Impact

Degraded operation, some flows might hang.

Conditions

MPTCP traffic MTU mismatch.

Workaround

None

Fix Information

System correctly handles ICMP notification for MPTCP traffic.

Behavior Change