Questions tagged [tcp-offload-engine]
The tcp-offload-engine tag has no usage guidance.
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tcpdump: invalid cksum from client to localhost interface even after disabling offloading
I'm having a strange issue.
In linux I have two windows open. one running tcpdump and one running curl. I used curl to try to make a connection to local host and tcpdump logs invalid checksum errors. ...
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What problems can the use of TOE cause?
What problems can the use of TOE cause?
As known, TOE (TCP offload engine) offloads the processing of TCP/IP stack from CPU to the NIC: https://wiki.linuxfoundation.org/networking/toe
CPU has more ...
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What are the imlications of having different TCP Chimey Offload settings?
I have a SQL Server (2008 R2) WSFC on Windows Server 2008 R2 on which I am experiencing some storage latency between the OS and SAN. The SAN admin has noted that the SAN is experiencing very little ...
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Disabled all TCP Offloading and still get 65Kb packets
I'm capturing packets in a Tensorflow two-node training. I want to capture the packet sizes over the wire (< MTU) from the hosts. Because of that, I turned off all of the offloading with ethtool. ...
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How to check a given connection has been offloaded to network card
From what I read, some part of the tcp protocol operation can be offloaded from kernel to network card driver thanks to TOE (or GSO, LSO, LRO..).
My objective is too find if a given socket has some ...
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HAPROXY ingress controller setup using mTLS with configmap with just the ingress load balancer because it's ssl offloaded. No need for backend check
I was able to achieve ssl offloading with Haproxy. So great product and appreciate that capability!
With that said, I need to doing mutual TLS but am a little confused on how that will work with the ...
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TCP checksum errors between linux apps and NICs
I'm writing an internet application and I'm at the stage of crafting my own TCP packets. Except there is a major problem. According to the TCPDUMP utility in linux, every tcp packet that I send out ...
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Disable TCP Offload for CentOS 7 on laptop and VPS
I can disable outgoing and incoming TCP Offload on MACOS in user's .bash_profile file:
sudo sysctl net.link.generic.system.hwcksum_tx=0
sudo sysctl net.link.generic.system.hwcksum_rx=0
This stops the ...