Linux server packet loss - stopped occassionally

[Swapana Ghosh]

Hi 

>.Have you checked any logs to see if there are
errors?  Are there any 
>>ipchain/ipfilter rules in place?  Can you ssh to the
box during the times 
>>that it can't see the outside world? 


      I have checked the log when the server is up but
did not get anything
from where i can diagnose the problme.....
      ipchains/ipfilter rule , i can't say anything
about that - it is done
by some other admin. But ofcourse i will ask him and
send if i get....
      I tried to do ssh to the server when it is down
- obviously we did
not get to reach... I checked the server with the
*sar* analysis but it
is not showing anything related highload, memory or
anything to any
installation ....But it is showing some messages which
i am giving here::

>> How confident are you that the box 
>>hasn't been compromised?



_______________________________________________________

eth0: 10 Mbit, half duplex, no link
  product info: vendor 00:00:00, model 0 rev 0
  basic mode:   10 Mbit, half duplex
  basic status: no link
  capabilities:
  advertising:
________________________________________________________


>>What type of NIC are you using?  Realtek, and many
of those running the
>.tulip drivers with non DEC chips can be really
flakey.  If you're looking
>>for inexpensive, high quality NICs, the 3COM 3c905
series are often
>>available for about $10US.


      I have no idea really what type of NIC they are
using, as
i said this server maintainance part(hardware etc) is
under some company....
We are maintaining only the OS/softwares related
matters ...But it is
really disgusting when a server does not respond
atleast 15 times within
5 days.....


If you all can help me out this will be really
helpful...

Thanks again..
-Swapna

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