[ofa-general] [Bug 450] IPoIB BW drop (measured with iperf) with mtu=1500 on x86 RH4UP3

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https://bugs.openfabrics.org/show_bug.cgi?id=450





------- Comment #3 from monil at voltaire.com  2007-03-13 09:08 -------
Subject: Re: [ofa-general]  New: IPoIB BW drop (measured with iperf) with
mtu=1500 on x86 RH4UP3

On 3/13/07, Michael S. Tsirkin <mst at dev.mellanox.co.il> wrote:
> Looks like you have some protocol errors.

That might be. I will investigate further and update you.

> Why are you playing with ifc mtu?

We needed to do some IP forwarding tests between IB and Ethernet and
wanted to have the same MTU for the eth0 and ib0 interfaces, after
that we reproduced that in a peer to peer configuration.

> What does tcpdump show?

Don't know yet, I'll let you know tomorrow. Any other info that may help ?


-- Moni

>
>
> --
> MST


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