Re: 2.0.21: TCP hangs solved by disabling Path MTU Discovery

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 25 Sep 1996 17:50:20 +0100 (BST)

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> useful for broken PC clients. But many non-local machines including my
> PC running 2.0.20 failed to connect to this machine until I rebuilt it
> as described. The machine is on a TCP/IP network connected via a Cisco
> on a Frame Relay 56k link. Since this is standard technology I'm

I'd guess you have mismatched MTU's either end of your frame relay link,
or a short way further up stream. That sounds most like what you are
seeing.

Alan

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