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Re: Anybody else seeing hotmail connections hanging ?
To be precise, PMTU-D is the problem, not the sollution :-(
Matti Aarnio wrote:
> On Thu, Dec 09, 2004 at 02:27:23PM -0300, Carlos G Mendioroz wrote:
>>the problem was some upstream interface with a small MTU (1480) combined
>>with some icmp message filtering and hotmail insisting in using DF
>>(don't fragment) for SMTP, who knows why.
>>We are forcing MSS negotiation down to 1440, and so far so good...
> Ah, path-mtu-discovery does that, and all modern systems are using it.
Carlos G Mendioroz <firstname.lastname@example.org> LW7 EQI Argentina
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