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Old 12-13-2007, 02:45 PM   #1
windisch
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Network Traffic Stops After High Traffic


I have been having a problem with my network on my FC6 Linux server. The network card appears to lock up under high traffic. It happens most often when streaming videos from the server. If I unplug the cable and plug it back in it starts working again. Tried different cables and routers/switches. Is this a hardware or software issue?

Thanks,
Adam
 
Old 12-14-2007, 08:24 AM   #2
jroyce
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Is IPv6 enabled?

I had a similar problem with a Vista machine. The solution turned out to be disabling IPv6. Now everything is working as expected.
 
Old 12-14-2007, 08:29 AM   #3
windisch
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Thanks for youtr reply.

I checked, and I do not have IPv6 turned on. Either on the linux box or the router.
 
Old 12-14-2007, 11:28 AM   #4
farslayer
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My guess would be a cheap network card with a squirrelly linux driver that chokes under high load..
the no-name cards and integrated cards may work... but how well are they supported is the question.

Got an intel NIC laying around or a well supported card from another company ?
 
Old 12-14-2007, 03:27 PM   #5
SiegeX
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Are you using PPPoE by any chance? Particularly with the pppoe client on your linux server? If so this can be a known issue with MSS and MTU. Give this a read http://lartc.org/howto/lartc.cookbook.mtu-mss.html
 
Old 12-17-2007, 07:33 AM   #6
windisch
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It's an internal nic I've been working with for a while, and this problem has started within the last few months, I can try to track down another nic.

As for PPPoE, I see I have RP-PPPoE installed, which is probably standard with FC. Would it harm my internet connection to remove it? I have a cable modem, not DSL.
 
Old 12-17-2007, 05:45 PM   #7
SiegeX
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It should be safe. AFAIK, cable companies don't use PPPoE. DSL providers do as its an easy way for them to use their existing dial-up framework with broadband speeds. In any case you can double check by making sure you don't have ppp0 interface.
 
  


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