In article <[email protected]> (at Tue, 22 May 2007 10:57:38 +0200), Eric Dumazet <[email protected]> says:
> > I have tried to set up quagga with tcp-md5 support from kernel. All seems ok
> > with a intel e100 NIC, but as i testetd with a intel e1000 NIC the tcp
> > packets have an invalid md5 digest.
> > If i run tcpdump on the mashine the packets are generated, it shows on the
> > outgoing interface invalid md5 digests.
> > Are there known issues about tcp-md5 and e1000 NICs?
:
> You could try "ethtool -K tx off", and/or other ethtool -K settings
Disabling offloading should help; currently tcp-md5 stack
blindly copy md5-signature from the first segment
which is not appropriate for rest of segments.
--yoshfuji
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