netdev - Re: Ethernet CRC questions

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Message-ID: <f4f837ab0912300819i5fd35ee4o3e0ff4b16362ba0b@mail.gmail.com>
Date:	Thu, 31 Dec 2009 00:19:45 +0800
From:	thomas yang <lampsu@...il.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	netdev@...r.kernel.org
Subject: Re: Ethernet CRC questions

>>
>> Does the Ethernet frame CRC (generate and verify in hardware)  make
>> the TX / RX  rate  a little smaller , and a longer end-to-end  delay ?
>
> Relative to what?
>

Relative to the Ethernet frame without CRC appending / verifying .


In IEEE 802.3 standard, all network devices should append/verify CRC?

>>  Could I disable CRC appending / verifying  in the network card driver
>>   on all of my nodes (machines) ?
>
> Maybe if you want switches to discard everything you send...
>

So, I should disable CRC appending / verifying on all kinds of network
devices in my network?
In this way I will  TX/RX packets more faster ?


--
Thomas
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