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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I believe that rat should be OK, as it
uses the same port to send and to receive.&nbsp; You will need to make sure that you
talk first to open the hole in the NAT.&nbsp; Vic probably won&#8217;t work because
it uses a different port to send and to receive (unless this has been changed
recently).&nbsp; This means that the wrong channel gets opened for the returned
traffic.&nbsp; If you can set up port-forwarding in the NAT client, this would avoid
the problems, otherwise you will need to write something that takes the traffic
from vic and forwards it to the network, and vice versa, and make that NAT
friendly.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am assuming here that both sides are not
behind the NAT, and that you have a certain type of NAT.&nbsp; If this is not
correct, there may be additional problems,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Andrew </span></font><font size=2
color=navy face=Wingdings><span style='font-size:10.0pt;font-family:Wingdings;
color:navy'>J</span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p></o:p></span></font></p>

<div>

<p><font size=2 color=navy face="Times New Roman"><span style='font-size:10.0pt;
color:navy'>============================================<br>
Access Grid Support Centre,<br>
RSS Group,<br>
<st1:place w:st="on"><st1:City w:st="on">Manchester</st1:City></st1:place>
Computing,<br>
<st1:place w:st="on"><st1:PlaceName w:st="on">Kilburn</st1:PlaceName> <st1:PlaceType
 w:st="on">Building</st1:PlaceType></st1:place>,<br>
<st1:place w:st="on"><st1:PlaceType w:st="on">University</st1:PlaceType> of <st1:PlaceName
 w:st="on">Manchester</st1:PlaceName></st1:place>,<br>
<st1:Street w:st="on"><st1:address w:st="on">Oxford Road</st1:address></st1:Street>,<br>
<st1:place w:st="on"><st1:City w:st="on">Manchester</st1:City></st1:place>,<br>
M13 9PL,<br>
<st1:place w:st="on"><st1:country-region w:st="on">UK</st1:country-region></st1:place><br>
Tel: +44(0)161-275 0685<br>
Email: <st1:PersonName w:st="on">Andrew.Rowley@manchester.ac.uk</st1:PersonName></span></font><o:p></o:p></p>

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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> sumover-tech-bounces@cs.ucl.ac.uk
[mailto:sumover-tech-bounces@cs.ucl.ac.uk] <b><span style='font-weight:bold'>On
Behalf Of </span></b>dev<br>
<b><span style='font-weight:bold'>Sent:</span></b> 19 January 2007 15:05<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">sumover-tech@cs.ucl.ac.uk</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> [Sumover-tech] Using
MBone tools from behind NAT</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hey,<br>
&nbsp;Has anyone used the whole MBone tools (esp. vic + Rat) from behind a NAT
? Are there any issues or recommendations ?<br clear=all>
<br>
-- <br>
Regards,<br>
Dev <o:p></o:p></span></font></p>

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