Yes I wanted ip fragmentation. I tried multiple ways to send out packets
using tcp, but they always send out according to my mtu of the interface. I
wanted to know if I can send data to L3 IP layer that causes the data to be
fragmented. I was able to achieve it with UDP, but not TCP. Basically I
want L3 to think that the packet is greater than its MTU causing IP
fragmentation.

thanks,
Michael

On Sat, Aug 24, 2013 at 1:57 PM, Daniel Stenberg <daniel_at_haxx.se> wrote:

> On Sat, 24 Aug 2013, Michael Chan wrote:
>
> Does curl support fragmentation for tcp packet? Say i want to use http
>> to post a file to a web server and each packet is fragmented into pieces.
>>
>
> The protocols curl support all run on top of TCP or UDP so it relies on
> the underlying TCP/IP stack to implement and support those protocols
> properly. If your host's stack supports IP fragmentation, it will work just
> fine (and a stack really need to support that to work properly). I assume
> you're actually talking about IP fragmentation:
> http://en.wikipedia.org/wiki/**IP_fragmentation<http://en.wikipedia.org/wiki/IP_fragmentation>
>
> --
>
> / daniel.haxx.se
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Received on 2013-08-26