> Hi all > > I use linux as GiGE router and have 6 NIC on it > Those days the NIC interrupt takes around 100% CPU but the system is 4G > memroy and 8 CPU. I can't see any error packet in this NIC interface too Do you have any packet filtering going on? IPTables could be chewing up your system. I'm just guessing though. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.