Sending big files by FTP. SuSE freeze

Hi people. I'm using many servers (identical hardware) with SuSE 8.0 and 8.2 and i have a strange problem with all servers. When i try to download a big file by FTP (LAN) on my SuSE Linux the system freeze. The file is big, ~ 12 GB I think that the problem is in device driver of the network but i have update to last version and the problem continue The Hardware: Broadcom Gigabit Ethernet Driver bcm5700 with Broadcom NIC Extension (NICE) ver. 6.2.17 (07/14/03) bcm5700: eth0 NIC Link is UP, 1000 Mbps full duplex anyone help me please? anyone try to download on your LAN by FTP a big file? ~ 12 GB thanks!