On 12/29/07 11:11 PM, johan beisser wrote:
> It's permitted in IEEE 802.3, if not encouraged.
This is not correct. The relatively recent (2005) IEEE 802.3as spec
extends Ethernet frame length only to 2048 bytes, mainly to accommodate
VLAN stacking and various encap methods. It does not define a s
On Sun, Dec 30, 2007 at 08:25:19PM +1100, mufurcz wrote:
> johan beisser wrote:
> >
> >Fewer frames get corrupted, means less processing overhead per frame.
> Not true at all - if only the payload is changed.
Use NICs capable of TCP checksumming and the appropriate drivers, that
will mean less pro
On Sun, 30 Dec 2007, mufurcz wrote:
> johan beisser wrote:
> >
> > Fewer frames get corrupted, means less processing overhead per frame.
> Not true at all - if only the payload is changed.
> > Outside of that, the remaining advantage is fewer frames going over
> > the line.
> But the same amount o
johan beisser wrote:
Fewer frames get corrupted, means less processing overhead per frame.
Not true at all - if only the payload is changed.
Outside of that, the remaining advantage is fewer frames going over
the line.
But the same amount of data(!) needs to be transmitted, and only if no
col
On Dec 29, 2007, at 10:41 PM, Girish Venkatachalam wrote:
What on earth is this?
http://www.cyberciti.biz/faq/rhel-centos-debian-ubuntu-jumbo-frames-configuration/
Jumbo frames. Ethernet frames with more than 1500 bytes of payload/
larger MTU than 1500..
I was under the impression that E
Yes, there's value in it. NFS can benefit greatly if you can stuff a
single read/write block into a single ethernet frame (rather than
splitting it across 3 or 4). It's also helpful for wringing maximum
throughput out of your network at higher speeds. Think about the
interrupt rate to send 1Gb/s wi
On Dec 29, 2007 11:41 PM, Girish Venkatachalam
<[EMAIL PROTECTED]> wrote:
> What on earth is this?
>
> http://www.cyberciti.biz/faq/rhel-centos-debian-ubuntu-jumbo-frames-configuration/
>
> I was under the impression that Ethernet frames can never be more than
> 1500 bytes.
>
> Or is it some kind o
This should help you: http://sd.wareonearth.com/~phil/net/jumbo/
On Dec 30, 2007 12:11 PM, Girish Venkatachalam
<[EMAIL PROTECTED]> wrote:
> What on earth is this?
>
> http://www.cyberciti.biz/faq/rhel-centos-debian-ubuntu-jumbo-frames-configuration/
>
> I was under the impression that Ethernet fr
Jumbo frames are very real. A simple google search will enlighten you :)
On 12/29/07, Girish Venkatachalam <[EMAIL PROTECTED]> wrote:
> What on earth is this?
>
> http://www.cyberciti.biz/faq/rhel-centos-debian-ubuntu-jumbo-frames-configuration/
>
> I was under the impression that Ethernet frames
What on earth is this?
http://www.cyberciti.biz/faq/rhel-centos-debian-ubuntu-jumbo-frames-configuration/
I was under the impression that Ethernet frames can never be more than
1500 bytes.
Or is it some kind of stupid linux hack? Or does it have any meaning?
Is there real value in this?
I don'
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