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https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.networking.doc/GUID-9053E30C-1CE3-496F-99C6-B265D4B78CB3.html
If LRO is enabled for VMXNET3 adapters on the host, activate LRO support on a network adapter on a Linux virtual machine to ensure that the guest operating system does not spend resources to aggregate incoming packets into larger buffers.
https://blogs.vmware.com/performance/2015/06/vmxnet3-lro.html
Jun 01, 2015 · LRO has been supported for Linux VMs with kernel 2.6.24 and later since vSphere 4. With the introduction of Windows Server 2012 and Windows 8 supporting LRO, vSphere 6 now adds support for LRO on a VMXNET3 adapter on Windows VMs. LRO is especially beneficial in the virtualized environment in which resources are shared by multiple VMs.
https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.networking.doc/GUID-DAE02196-FAA5-48F6-A5FF-8E5068A6370A.html
Examine the value of the LRO parameters for VMXNET2 and VMXNET3. For hardware LRO, examine the Net.Vmxnet3HwLRO parameter. If it is equal to 1, hardware LRO is enabled. For software LRO, examine the Net.Vmxnet3SwLRO parameter. If it is equal to 1, hardware LRO is enabled.
https://stackoverflow.com/questions/6133781/disabling-lro-using-ethtool
My NIC driver does not support H/W LRO but emulates LRO in the driver. Now GRO (which is a linux network stack feature) can be disabled using 'ethtool -k ethx gro off'. Is that available for LRO as...
https://www.fclose.com/linux-kernels/233110/enic-enable-ethtool-lro-support-linux-2-6-29/
Mar 21, 2018 · This Linux kernel change "enic: enable ethtool LRO support" is included in the Linux 2.6.29 release. This change is authored by Scott Feldman <scofeldm [at] cisco.com> on Fri Nov 21 21:26:55 2008 -0800. The commit for this change in Linux stable tree is 86ca9db (patch). enic: enable ethtool LRO support Enable ethtool support for get/set_flags […]
http://lkml.iu.edu/hypermail/linux/kernel/0806.1/2490.html
From: Mallikarjuna R Chilakala <mallikarjuna.chilakala@xxxxxxxxx> Support for in-kernel LRO with the ability to enable/disable via ethtool based on comments from Ben Hutchings and Randy Dunlap.
https://serverfault.com/questions/230804/how-gro-generic-receive-offload-works-on-more-advanced-nics
How GRO (generic receive offload) works on more advanced NICs? Ask Question Asked 8 years, 10 months ago. ... Browse other questions tagged nic linux-networking or ask your own question. ... What are the pros and cons of large receive offload (LRO) vs generic receive offload (GRO)
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