> Hi Eli, > > Back on April a user having the configuration > > A --- 10g --- B --- IB --- C > > where node B acts as an IP router having one 10g interface > and one IB interface reported on a sever bandwidth problem > which was resolved to be related to the 10g driver have LRO mechanism > which is not operative under forwarding scheme, see the email/thread > http://lists.openfabrics.org/pipermail/general/2007-April/035322.html > > My question is, does the suggested LRO code need to be disabled when the > node does forwarding? > I did not test such a setup with a host operating as a router between ipoib and Ethernet networks. Once I do this I will evaluate if there is a problem and possibly add facilities to disable LRO (probably via ethtool).
> Indeed you have removed the LSO, LRO patches from the stateless offload > patch set posting to the upstream kernel, but they do exist in OFED 1.3 > > Tziporet - I am quite worried from distributing with OFED 1.3 ipoib > changes (namely LSO and LRO support) which were never reviewed by the > community and that I understand are not planned for review towards 2.6.24. > > What is your thinking on the matter? > > Or. > > > -----Original Message----- > > From: [EMAIL PROTECTED] On Behalf Of David Miller > > Sent: Saturday, April 28, 2007 2:40 AM > > To: [EMAIL PROTECTED] > > Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; > > [email protected] > > Subject: Re: [ofa-general] Re: IPoIB forwarding > > > > From: Rick Jones <[EMAIL PROTECTED]> > > Date: Fri, 27 Apr 2007 16:37:49 -0700 > > > >> Large Receive Offload (LRO) is enabled by default. This will > >> interfere with forwarding TCP traffic. If you plan to forward TCP > >> traffic (using the host with the Myri10GE NIC as a router or bridge), > >> you must disable LRO. To disable LRO, load the myri10ge driver with > >> myri10ge_lro set to 0: > > > > LRO should be disabled by default if the driver does this. This is a major > > and unacceptable bug. > > > > Thanks for pointing this out Rick. > > > _______________________________________________ > general mailing list > [email protected] > http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general > > To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
