Date: Wed, 31 Aug 2022 15:25:59 +0200 (CEST) From: Wojciech Puchar <wojtek@puchar.net> To: Eugene Grosbein <eugen@grosbein.net> Cc: freebsd-hackers@freebsd.org Subject: Re: ipfw nat problem Message-ID: <6943ac7f-d8dc-c4f7-55c1-aff365be246a@puchar.net> In-Reply-To: <71545bb7-a5ea-510f-8d67-4f07fe0887ae@grosbein.net> References: <d36e56ff-c7cd-1634-dbc-f76bdb46503c@puchar.net> <623ac39e-2915-463a-9e4c-9f99bae28c69@puchar.net> <bfa7d65a-95d6-1605-8fb0-cf397b79d549@grosbein.net> <c3ce6ec-60c7-f9b7-9c73-1fdcdfee505@puchar.net> <57a9cad0-c2ef-6e1f-2185-0f7563fe3758@grosbein.net> <90b59493-95d6-5b2a-b0dc-2fece0a9df7b@puchar.net> <71545bb7-a5ea-510f-8d67-4f07fe0887ae@grosbein.net>
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On Fri, 26 Aug 2022, Eugene Grosbein wrote: > 26.08.2022 17:42, Wojciech Puchar wrote: > >> Anyway - with ip.forwarding on ssh still disconnect randomly. Just after much larger amount of data transmitted (like 10-100MB, not <1MB) >> >> Just on this server. Any ideas what may be wrong? > > Maybe you use ipfw nat (or natd) and forgot to disable TSO on external interface, > so some packets get broken as TSO is not compatible with libalias. Right. TSO. Now it's fixed.
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