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TCP fast open & IPv6
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Georgi Naplatanov
Aug 9, 2014, 5:40:02 AM8/9/14
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Hi everybody,
I wonder if it is possible to enable/disable TCP fast open for IPv6 in
Jessie (kernel 3.14) and how it can be done (if it's possible).
In Jessie there is not /proc/sys/net/ipv6/tcp_fastopen
Thanks in advance.
Georgi
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I wonder if it is possible to enable/disable TCP fast open for IPv6 in
Jessie (kernel 3.14) and how it can be done (if it's possible).
In Jessie there is not /proc/sys/net/ipv6/tcp_fastopen
Thanks in advance.
Georgi
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Quentin Bourgeois
Aug 9, 2014, 9:00:03 AM8/9/14
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On 08/09/2014 11:36 AM, Georgi Naplatanov wrote:
>
> Hi everybody,
>
Hi,
> I wonder if it is possible to enable/disable TCP fast open for IPv6
> in Jessie (kernel 3.14) and how it can be done (if it's possible).
>
> In Jessie there is not /proc/sys/net/ipv6/tcp_fastopen
>
> Thanks in advance.
>
> Georgi
>
>
[1]: http://lwn.net/Articles/602212/
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Georgi Naplatanov
Aug 9, 2014, 4:20:02 PM8/9/14
to
On 08/09/2014 03:00 PM, Quentin Bourgeois wrote:
>
>
> On 08/09/2014 11:36 AM, Georgi Naplatanov wrote:
>>
>> Hi everybody,
>>
> Hi,
>
>> I wonder if it is possible to enable/disable TCP fast open for IPv6
>> in Jessie (kernel 3.14) and how it can be done (if it's possible).
>>
>> In Jessie there is not /proc/sys/net/ipv6/tcp_fastopen
>>
> I think that TCP fast open was added for kernel 3.16[1] for IPv6.
>
>> Thanks in advance.
>>
>> Georgi
>>
>>
>
> [1]: http://lwn.net/Articles/602212/
Thanks for the clarification.
>
>
> On 08/09/2014 11:36 AM, Georgi Naplatanov wrote:
>>
>> Hi everybody,
>>
> Hi,
>
>> I wonder if it is possible to enable/disable TCP fast open for IPv6
>> in Jessie (kernel 3.14) and how it can be done (if it's possible).
>>
>> In Jessie there is not /proc/sys/net/ipv6/tcp_fastopen
>>
> I think that TCP fast open was added for kernel 3.16[1] for IPv6.
>
>> Thanks in advance.
>>
>> Georgi
>>
>>
>
> [1]: http://lwn.net/Articles/602212/
I thought that IPv4 and IPv6 use the same implementation for TCP fast
open and I just wondered why /proc/sys/net/ipv6/tcp_fastopen doesn't
exist on my Jessie system.
Georgi
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Pascal Hambourg
Aug 10, 2014, 6:00:03 AM8/10/14
to
Georgi Naplatanov a ï¿œcrit :
applicable, TCP connections over IPv6 use the same parameters as IPv4
defined in /proc/sys/net/ipv4/tcp_*.
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>
> I thought that IPv4 and IPv6 use the same implementation for TCP fast
> open and I just wondered why /proc/sys/net/ipv6/tcp_fastopen doesn't
> exist on my Jessie system.
AFACS, there are no /proc/sys/net/ipv6/tcp_* parameters at all. When
> I thought that IPv4 and IPv6 use the same implementation for TCP fast
> open and I just wondered why /proc/sys/net/ipv6/tcp_fastopen doesn't
> exist on my Jessie system.
applicable, TCP connections over IPv6 use the same parameters as IPv4
defined in /proc/sys/net/ipv4/tcp_*.
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Chris Bannister
Aug 11, 2014, 2:00:03 AM8/11/14
to
On Sat, Aug 09, 2014 at 11:10:00PM +0300, Georgi Naplatanov wrote:
> On 08/09/2014 03:00 PM, Quentin Bourgeois wrote:
> >
> >
> > On 08/09/2014 11:36 AM, Georgi Naplatanov wrote:
> >>
> >> Hi everybody,
> >>
> > Hi,
> >
> >> I wonder if it is possible to enable/disable TCP fast open for IPv6
> >> in Jessie (kernel 3.14) and how it can be done (if it's possible).
> >>
> >> In Jessie there is not /proc/sys/net/ipv6/tcp_fastopen
> >>
> > I think that TCP fast open was added for kernel 3.16[1] for IPv6.
> >
> >> Thanks in advance.
> >>
> >> Georgi
> >>
> >>
> >
> > [1]: http://lwn.net/Articles/602212/
>
> Thanks for the clarification.
>
> I thought that IPv4 and IPv6 use the same implementation for TCP fast
> open and I just wondered why /proc/sys/net/ipv6/tcp_fastopen doesn't
> exist on my Jessie system.
Might not be enabled in the Kernel.
> On 08/09/2014 03:00 PM, Quentin Bourgeois wrote:
> >
> >
> > On 08/09/2014 11:36 AM, Georgi Naplatanov wrote:
> >>
> >> Hi everybody,
> >>
> > Hi,
> >
> >> I wonder if it is possible to enable/disable TCP fast open for IPv6
> >> in Jessie (kernel 3.14) and how it can be done (if it's possible).
> >>
> >> In Jessie there is not /proc/sys/net/ipv6/tcp_fastopen
> >>
> > I think that TCP fast open was added for kernel 3.16[1] for IPv6.
> >
> >> Thanks in advance.
> >>
> >> Georgi
> >>
> >>
> >
> > [1]: http://lwn.net/Articles/602212/
>
> Thanks for the clarification.
>
> I thought that IPv4 and IPv6 use the same implementation for TCP fast
> open and I just wondered why /proc/sys/net/ipv6/tcp_fastopen doesn't
> exist on my Jessie system.
Any clues with:
less /boot/config-3.16* | grep TCP | grep FAST
less /boot/config-3.16* | grep TCP | grep OPEN
or even
less /boot/config-3.16* | grep TCP
etc ...
HANG ON!! ...
An 'apt-cache search linux-image | less' doesn't even produce any
results for *ANY* linux-image-3.16* packages!!!
P.S. Does beg the question, that since the 3.16 kernel is going to be
the default in Jessie and Jessie freezes in November, then is that
really enough time to notice/fix/repair any bugs?
In saying that, I don't know how long 3.16 has been out and no linux
distribution is an Island in that respect. But still ... 2 years to
supposedly get a rock solid stable distribution and the default kernel
hasn't entered Jessie YET!
--
"If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the
oppressing." --- Malcolm X
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Dan Ritter
Aug 12, 2014, 9:00:02 PM8/12/14
to
On Mon, Aug 11, 2014 at 05:51:03PM +1200, Chris Bannister wrote:
> In saying that, I don't know how long 3.16 has been out and no linux
> distribution is an Island in that respect. But still ... 2 years to
> supposedly get a rock solid stable distribution and the default kernel
> hasn't entered Jessie YET!
>
According to the front page of kernel.org, 3.16 was released on
> In saying that, I don't know how long 3.16 has been out and no linux
> distribution is an Island in that respect. But still ... 2 years to
> supposedly get a rock solid stable distribution and the default kernel
> hasn't entered Jessie YET!
>
August 3rd.
Gosh, I wonder why the default kernel hasn't entered Jessie yet.
-dsr-
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