Re: How do I find the cause of these errors?

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My general rule of thumb on half-duplex non-switched ethernets
is "don't worry about collisions unless a significant percentage
(usually about 10%) of your packets result in collitions". In
your case, 407/11040532 <<< 0.10, so I wouldn't get too alarmed...


On 12/07/2001 22:37 +0100, Ivanovich wrote:
>>	A Divendres 07 Desembre 2001 20:45, Casey Carter va escriure:
>>	> That's one of the cool things about us Linux geeks.  Show me a Windows
>>	> user who will put effort into tracing down the source of 1 error in 11
>>	> million packet transmissions...
>>	>
>>	> Kenneth Stephen wrote:
>>	> > eth0      Link encap:Ethernet  HWaddr 00:20:78:05:EA:0B
>>	> >           inet addr:X.y.54.140  Bcast:X.Y.54.191  Mask:255.255.255.192
>>	> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>	> >           RX packets:9162662 errors:0 dropped:0 overruns:0 frame:0
>>	> >           TX packets:11040532 errors:1 dropped:0 overruns:1 carrier:0
>>	> >           collisions:0 txqueuelen:100
>>	> >           Interrupt:15 Base address:0xa000
>>	
>>	hehe true, we linux users are quite special
>>	
>>	i looked at my ifconfig too and i found this:
>>	RX packets:5032199 errors:0 dropped:0 overruns:0 frame:9
>>	TX packets:1169103 errors:4 dropped:0 overruns:0 carrier:8
>>	collisions:407 txqueuelen:100
>>	
>>	4 errors in 1 million TXs and 407 collisions... this is a ISA card connected 
>>	to a cablemodem
>>	
>>	is this normal? arent this a lot of collisions? (even if i dont know what a 
>>	collision is exactly i see all my other cards have zero collisions...)
>>	-
>>	: send the line "unsubscribe linux-net" in
>>	the body of a message to majordomo@vger.kernel.org
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End of included message



-- 
twalberg@mindspring.com

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