Netware 6.5 sp6 Dell PowerEdge 2850, Intel PRO/1000 PCI/PCI-X Version 8.24
December 22, 2005.

Clients lose connection, can't ping server ip and can't ping from server to
other devices. Server doesn't abend and after reboot works fine for a few
days to maybe a week.

Swapped cables, nics(onboard) and switch ports. Check settings on nic and
switch port.

Thanks for any suggestions in advance.