Benjamin, Can you also include the network statistics, it may helpful to know exactly what type of errors these are: ethtool -S em1 Are you in a position to change the cable? I see this is a Supermicro, does the machine have a IPMI card using the same IP address by any chance ? Albert. On 10/16/2011 06:14 AM, Benjamin wrote: > Hi, > > my output of command : > > ethtool -g em1 > > Ring parameters for em1: > Pre-set maximums: > RX: 4096 > RX Mini: 0 > RX Jumbo: 0 > TX: 4096 > > Current hardware settings: > RX: 1024 > RX Mini: 0 > RX Jumbo: 0 > TX: 1024 > > before current value for RX and TX are 256 and i increased it by 1024 > for both RX and TX. But still we having packet loss on interface. > > How to verify that buffer full for RX and TX? > > Regards, > Benjo > > > >> What does ethtool -g em1 say? A very common reason of dropping packets >> is that the rx and tx buffers have been full. In this case, you can >> increase the count with ethtool -G switch and check again. >> >> -- Soham >> >> On Sat, Oct 15, 2011 at 4:47 PM, Benjamin <benjo11111@xxxxxxxxx >> <mailto:benjo11111@xxxxxxxxx>> wrote: >> >> Hi, >> >> lspci -v >> >> >> >> 05:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network >> Connection >> Subsystem: Super Micro Computer Inc Device 040d >> Flags: bus master, fast devsel, latency 0, IRQ 18 >> Memory at fb5e0000 (32-bit, non-prefetchable) [size=128K] >> I/O ports at dc00 [size=32] >> Memory at fb5dc000 (32-bit, non-prefetchable) [size=16K] >> Capabilities: [c8] Power Management version 2 >> Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+ >> Capabilities: [e0] Express Endpoint, MSI 00 >> Capabilities: [a0] MSI-X: Enable+ Count=5 Masked- >> Capabilities: [100] Advanced Error Reporting >> Capabilities: [140] Device Serial Number 00-25-90-ff-ff-39-70-0e >> Kernel driver in use: e1000e >> Kernel modules: e1000e >> >> >> Thanks, >> Benjamin >> >> >> >> On 10/15/2011 04:41 PM, Reindl Harald wrote: >> > Am 15.10.2011 13:09, schrieb Benjamin: >> >> OS : FEDORA 15 64 BIT >> >> LAN INTERFACE IS ONBOARD GIGABIT LAN CARD >> > this is no information >> > >> > WHAT network-card is on the board? >> > lspci is your friend! >> > >> > >> > >> > >> >> -- >> users mailing list >> users@xxxxxxxxxxxxxxxxxxxxxxx <mailto:users@xxxxxxxxxxxxxxxxxxxxxxx> >> To unsubscribe or change subscription options: >> https://admin.fedoraproject.org/mailman/listinfo/users >> Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines >> >> > -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines