Bug ID 1001069: VE CPU usage higher after upgrade, given same throughput

Last Modified: Jan 20, 2023

Bug Tracker

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3

Opened: Mar 10, 2021
Severity: 3-Major

Symptoms

Significant increase in CPU usage post-upgrade.

Impact

Significant increase in CPU usage, leading to potential degradation or disruption of traffic.

Conditions

- Upgrading from version 13.x to a later version. - Configured BIG-IP Virtual Edition (VE) that uses the sock driver.

Workaround

Create the following overrides: - In '/config/tmm_init.tcl' add or append the following: ndal mtu 1500 1137:0043 device driver vendor_dev 1137:0043 xnet - In '/config/xnet_init.tcl' add or append the following: device driver vendor_dev 1137:0043 dpdk Note: These overrides must be re-applied every time an upgrade is done.

Fix Information

None

Behavior Change

TMM now uses XNet and DPDK drivers as the default when operating with Cisco eNIC cards.