Re: "Greased TCPenguin"

Trevor Johnson (trevor@jpj.net)
Thu, 26 Mar 1998 07:40:10 -0500 (EST)


Scott Lampert wrote:

> On 26-Mar-98 Trevor Johnson wrote:
> > With an internal v.34 modem, I get a few of those errors:
[...]
> > Mar 25 23:41:58 dennis1 kernel: TCPv4 bad checksum from
> > 208.147.140.18:0017 to 155.135.1.35:08b6, len=20/20/40
> >
> > I'm using ppp 2.3.3, a 2.1.72 kernel, and glibc 2.0.6. On the other end
> > of the PPP connection is an Intel v.34 modem and a Cisco 7000
> > communications server.

I forgot to mention that this computer's main task is file and print
serving with Samba, which it does with a PCI NE2000 clone. None of the
"bad checksum" messages mention the RFC1918 addresses on the LAN.

> I'm running on an ethernet network with 2.1.91-pre1, glibc 2.0.7
> and a Kingston DEC21041 based ethernet card. Hope this helps someone.
> -Scott
___
Trevor Johnson

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