Bug ID 993481: Jumbo frame issue with DPDK eNIC

Last Modified: May 29, 2024

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

Known Affected Versions:
14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5

Fixed In:
17.1.1, 16.1.4, 15.1.10

Opened: Feb 11, 2021

Severity: 2-Critical

Symptoms

TMM crashes

Impact

Traffic disrupted while TMM restarts.

Conditions

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

Workaround

- 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