Date: Sat, 1 Aug 2015 13:45:16 +0200 From: Egoitz Aurrekoetxea <egoitz@sarenet.es> To: seanrees@gmail.com Cc: Karl Pielorz <kpielorz_lst@tdx.co.uk>, "freebsd-xen@freebsd.org" <xen@freebsd.org> Subject: Re: Poor network performance with Xen + OpenVPN? Message-ID: <CECD3423-DA5C-4CA2-B509-0EC2A769C7D2@sarenet.es> In-Reply-To: <CAJGy1F0GVZDuidpJ2CnL_uo_yjhNZJswUkafvbAg6E1wzFYeCA@mail.gmail.com> References: <B314E8002A8A1A7A537DB661@Karls-Mac-mini.local> <40E060AB-F0B9-48F3-9309-947CAB5C1939@sarenet.es> <5A7F36D35FF28CD4B9D2DE92@10.12.30.106> <CAJGy1F0GVZDuidpJ2CnL_uo_yjhNZJswUkafvbAg6E1wzFYeCA@mail.gmail.com>
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Could you paste your onpenvpn=E2=80=99s server and client config files?. = Which OS the client runs? Have you tested this openvpn connectivity without any network devices = between them?. With for example an ip in the=20 loopback interface of the openvpn server? Best regards, Egoitz Aurrekoetxea Departamento de sistemas 944 209 470 Parque Tecnol=C3=B3gico. Edificio 103 48170 Zamudio (Bizkaia) egoitz@sarenet.es <mailto:egoitz@sarenet.es> www.sarenet.es <http://www.sarenet.es/>; Antes de imprimir este correo electr=C3=B3nico piense si es necesario = hacerlo. > El 30/7/2015, a las 11:41, seanrees@gmail.com escribi=C3=B3: >=20 > I have the same issue. I managed to track it down to a difference = between somewhere between Xen 3.4 and 4.4 (my provider uses both). >=20 > 3.4 works fine (I can sustain a few mbps through OpenVPN). 4.4 I get = ~0.05mbps max. I wasn't able to track it down. >=20 > Both with the virtual drivers (if_xn) with all combinations of tso, = lro, rxcsum and txcsum on/off tested. >=20 > Sean >=20 > On Wed, Jul 29, 2015 at 2:58 PM, Karl Pielorz <kpielorz_lst@tdx.co.uk = <mailto:kpielorz_lst@tdx.co.uk>> wrote: >=20 >=20 > --On 29 July 2015 14:28 +0200 Egoitz Aurrekoetxea <egoitz@sarenet.es = <mailto:egoitz@sarenet.es>> wrote: >=20 > Hi! >=20 > Have you disabled tso, lro and friends?. >=20 >=20 > If by that you mean, >=20 > ifconfig xn0 -rxcsum -txcsum -tso4 -lro >=20 > Yes - I've tried that on the virtual host running OpenVPN, it didn't = seem to make any difference :( >=20 > I'll hopefully get some more time later to look at it again. >=20 > Regards, >=20 > -Karl > _______________________________________________ > freebsd-xen@freebsd.org <mailto:freebsd-xen@freebsd.org> mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-xen = <http://lists.freebsd.org/mailman/listinfo/freebsd-xen>; > To unsubscribe, send any mail to "freebsd-xen-unsubscribe@freebsd.org = <mailto:freebsd-xen-unsubscribe@freebsd.org>" >=20
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