Re: [coLinux-devel] Strange problem with Win-TAP and coLinux

[Ian L. <Ian...@mq...>]

Hello Vlad,

  I haven't seen the issues that you've reported - but I've seen some-
thing else that's not right in the networking.

  The only application included in the CHAOS file system is setiathome,
and it fails to acquire a new workunit from the Berkeley servers.  What
we see here is an ESTablished connection to their web server 
(which suggests that networking "works") but we never retrieve any
data (not even up to the first Mbyte).  Instead the connection hangs 
with a send-q of about 350 or so.

  We're testing this over two PCs (XP Pro SP1) with Bridging (mini mac)
as the connection/networking mechanism.

  I think it was the other Ian who mentioned a much later TAP driver
from the openVPN project; maybe its worth trying that out ..  I might
give that ago sometime in the next couple of days - see if it helps.




----- Original Message -----
>From: "Vlad Doubrov" <vl...@w-...>
>To: <col...@li...>
>Subject:  Re: [coLinux-devel] Strange problem with Win-TAP and coLinux
>Date: Tue, 03 Feb 2004 15:05:03 +0300
>
> Dan Aloni wrote:
> 
> >>The same happens when I try to transfer that file via SMB (smbd and
> >>smbclient is installed on coLinux) - except that the file is getting
> >>corrupted after "successful" download.
> >>
> >>Small files (less than 1 MB in size) get transferred very well.
> >>
> >>So, is it a bug in Win-TAP driver or coLinux? Any workarounds possible?
> >>Or may be it's my misunderstood?
> 
> > My guess is to try to using ifconfig to change eth0's MAC address.
> 
> It doesn't help. According to SSH docs, "corrupted MAC on input" message
> means that some packet was corrupted during data transfer, it doesn't
> mean anything to ethernet MAC addresses. And as I already wrote, when I
> try to transfer the same large file via samba it gets corrupted the
> same way.
> 
> I'm completely stuck out as I couldn't transfer anything larger than 1Mb
> to the virtual linux. Does this problem appear in your enviroment? Or
> perhaps some workarounds are possible?
> 
> -- vlad
> 
> 
> 
> 
> 
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--
Ian Latter
Internet and Networking Security Officer
Macquarie University

 Meet me at the Australian Unix and open systems
   User Group (AUUG) Security Symposium; 2004
  http://www.auug.org.au/events/2004/security/