1---2title: 'Vmware network performance issues'3date: '2007-06-08'4published_at: '2007-06-08T13:30:00.000+10:00'5tags: ['virtualisation', 'vmware']6author: 'Gavin Jackson'7excerpt: 'There is currently a bug with vmware server network performance on modern Linux distributions (particularly when performing host->guest and guest->guest data transfers. The following discussion thread...'8updated_at: '2007-06-08T14:22:01.152+10:00'9legacy_url: 'http://www.gavinj.net/2007/06/vmware-network-performance-issues.html'10---1112There is currently a bug with vmware server network performance on modern Linux distributions (particularly when performing host->guest and guest->guest data transfers. The following discussion thread has found that it is a kernel bug, and provides a quick fix solution.1314[http://www.vmware.com/community/thread.jspa?threadID=34497](http://www.vmware.com/community/thread.jspa?threadID=34497)1516```17>>Linux download a useful tool called 'ethtool' and run 'ethtool -K eth0 tso off' where18>>eth0 is whatever network interface u are using.19```202122