Bug ID 993481: Jumbo frame issue with DPDK eNIC

Last Modified: Dec 13, 2023

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

Known Affected Versions:,,,, 15.1.8,,, 15.1.9,,,,,

Fixed In:
17.1.1, 16.1.4, 15.1.10

Opened: Feb 11, 2021

Severity: 2-Critical


TMM crashes


Traffic disrupted while TMM restarts.


-- TMM is using DPDK driver with Cisco eNIC -- TMM receives jumbo sized packet


- Use a different driver such as sock. - Do not use or accept jumbo frames, use the following TMSH command to set the MTU to less than or equal to 1500: tmsh modify net vlan external mtu 1500

Fix Information

Skipped initialization of structures.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips