Bug ID 439048

Bug ID 439048: TCP connection stall when tcpdump with tcp segmentation offload enabled

Last Modified: Nov 22, 2021

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

Known Affected Versions:
11.4.1

Fixed In:
11.5.0, 11.4.1 HF6

Opened: Nov 26, 2013

Severity: 1-Blocking

TCP connections are stalled when tcpdump is started on the BIG-IP system and tcp segmentation offload is enabled.

TCP connections stall.

This occurs with TCP connections when tcpdump is started on the BIG-IP system and tcp segmentation offload is enabled.

None.

TCP connections no longer stall when tcpdump is started on the BIG-IP system and tcp segmentation offload is enabled.

TCP and UDP hardware checksum offloading is no longer disabled when running tcpdump on the BIG-IP.