Hello friends My cluster is working good!!! Now load is < ~0.3. Yesterday I changed drivers from tg3 to bcm5700 (from hp.com). Thx all for help. Regards Marek -------------- next part -------------- A non-text attachment was scrubbed... Name: ds1.png Type: image/png Size: 5074 bytes Desc: not available URL: <http://lists.centos.org/pipermail/centos/attachments/20060818/1578ed31/attachment-0005.png>