tcp_mtu_probing on by default?

[Martin Pool]

On 9 February 2012 07:45, Bedwell, Jordon <jordon at envygeeks.com> wrote:
> On Wed, Feb 8, 2012 at 2:51 AM, Ritesh Raj Sarraf <rrs at researchut.com> wrote:
>> I have tried using it in the past because of my b0rken wireless router
>> from the ISP which had a different, non-standard, MTU size.
>
> There is no standard MTU size.  There are ranges and mins but...
>
>> Will setting it on create trouble? Not sure. This will need testing.
>
> Yes, it could create quite a bit of trouble for a lot of people that's
> why it's disabled by default.  It would be better to add the option to
> Network Manager with tcp_base_mss but meh people will argue that it
> won't cause trouble or people will argue no matter what.

I'm not "arguing" but I would like to hear what problems you think it
will cause, preferably with a url.

Having people guess at different MTUs doesn't seem optimal.

-- 
Martin