Last Modified: May 29, 2024
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.3.0, 11.4.0
Fixed In:
11.5.0, 11.4.1
Opened: Jun 26, 2013 Severity: 2-Critical
VE instances with TCP Segmentation Offload (TSO) enabled may drop packets. These packet drops are not recorded in tmstat tables, and are instead counted by the VE dataplane driver's statistics interface (see 'tx_tso_errcnt' in /proc/unic)
Packets can be dropped by the VE dataplane driver. These drops are not recorded in tmstat tables.
VE instance with TSO enabled on Xen, VMware, and KVM hypervisors
Disable TSO "tmsh modify sys db tm.tcpsegmentationoffload value disable"
Correct TSO checksum calculation for VE guests