problem of packet loss with e100 machine with fedora core 4

[Eric Doutreleau]

Scot L. Harris wrote:

>On Thu, 2005-12-22 at 08:33, Eric Doutreleau wrote:
>  
>
>>Mogens Kjaer wrote:
>>
>>    
>>
>>>Eric Doutreleau wrote:
>>>...
>>>
>>>      
>>>
>>>>here is the output
>>>>eth0      Link encap:Ethernet  HWaddr 00:0C:76:E3:21:A0
>>>>         inet adr:157.159.15.227  Bcast:157.159.15.255  
>>>>Masque:255.255.255.0
>>>>         adr inet6: fe80::20c:76ff:fee3:21a0/64 Scope:Lien
>>>>         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>>>         RX packets:1405 errors:0 dropped:0 overruns:0 frame:0
>>>>         TX packets:1010 errors:0 dropped:0 overruns:0 carrier:0
>>>>         collisions:0 lg file transmission:1000
>>>>        
>>>>
>>>No collisions - so the interface is in full duplex mode.
>>>
>>>I assume that it is connected to a switch?
>>>
>>>Mogens
>>>
>>>      
>>>
>>yes it is
>>and no apparent problem on the switch
>>    
>>
>
>If you are not showing any errors on the interface or on the switch then
>maybe it is your network traffic.  ICMP traffic will be dropped at
>routers if they are being heavily utilized.  Is the device you are
>pinging on the same switch or on the other side of a router?
>
>
>
>  
>
well i use fping for the test
the machine which pings is not on the same switch
but
all the machine on the labs are on the same switch
when they boot windows there s no loss
when they are under FC4 i lose packet
i m wondering how i can debug on the machine