Bug ID 803237: PVA does not validate interface MTU when setting MSS

Last Modified: Aug 06, 2019

Bug Tracker

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

Known Affected Versions:
14.0.0.4, 14.0.0, 13.1.1.4

Opened: Jul 08, 2019
Severity: 3-Major

Symptoms

An incorrect MSS value might be used when hardware (HW) syncookies are used, and the MTU is smaller than the MSS.

Impact

Oversized frames sent towards the client.

Conditions

Packets with MSS exceeding the MTU with HW syncookies.

Workaround

Increase MTU size.

Fix Information

None

Behavior Change