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<DIV id=idOWAReplyText10132 dir=ltr>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2>fixup is a command on the pix
firewall that works on a protocol to make it work
correctly.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>scott</FONT></DIV></DIV>
<DIV dir=ltr><BR>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> cisco-voip-bounces@puck.nether.net on
behalf of Mounir Mohamed<BR><B>Sent:</B> Thu 4/6/2006 10:18 AM<BR><B>To:</B> Wes
Sisk<BR><B>Cc:</B> cisco-voip@puck.nether.net<BR><B>Subject:</B> Re:
[cisco-voip] IP-Phones NAT problem<BR></FONT><BR></DIV>
<DIV>?
<div>Dear Wes,</DIV>
<div> </DIV>
<div>Could you clarify more What is the FIXUP</DIV>
<div> </DIV>
<div>Bet Reagrds,</DIV>
<div>Mounir Mohamed<br><br> </DIV>
<div><span class="gmail_quote">On 4/6/06, <b class="gmail_sendername">Wes Sisk</B><<A href="mailto:wsisk@cisco.com">wsisk@cisco.com</A>> wrote:</SPAN>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div style="DIRECTION: ltr">all voip protocols embed the L3 address in the signaling protocol. You will need a NAT device that supports a 'fixup' mechanism for those protocols.
<div><br> </DIV>
<div>I know the PIX does.</DIV>
<div><br> </DIV>
<div>/Wes</DIV>
<div><br>
<div></DIV>
<div style="DIRECTION: ltr"><span class="q" id="q_10a70306990f5855_1">
<div>On Apr 6, 2006, at 8:21 AM, Mounir Mohamed
wrote:</DIV><br>
<div>Dear All,</DIV>
<div> </DIV>
<div> </DIV>
<div>I have 2 IP-phones connected to C2621 with the below configuration the problem that, the phones used <a href="http://10.0.0.25/" target="_blank">10.0.0.25</A> and
<a
href="http://10.0.0.26/" target="_blank">10.0.0.26</A> and
both is NATED on the 2600 router, also both registered in international SIP
server but thay can not make calls even between each other, But when i trying
to using static NAT (Private--> Real IP) everything working fine but i can
not deticate IP for each phone and now the problem due to NAT so anybody could
help in that, HOw can i use NAT but in the same time the phones working
because it's seems that the NAT port changes it the reason behind the problem
</DIV>
<div> </DIV>
<div>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">Seef-HQ#sh run</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">Building
configuration...</FONT></DIV>
<p style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"></FONT> </P>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">Current configuration : 1596
bytes</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">version 12.3</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">service timestamps debug datetime
msec</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">service timestamps log datetime
msec</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">service
password-encryption</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">hostname Seef-HQ</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">logging buffered 4096
debugging</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">enable secret 5 $1</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip subnet-zero</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip cef</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip name-server <a
href="http://195.219.14.20/" target="_blank"
>195.219.14.20</A></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip name-server <a
href="http://64.85.63.6/" target="_blank"
>64.85.63.6</A></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">voice rtp send-recv</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">voice service voip </FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>sip</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">voice class codec 1</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>codec preference 1 g711ulaw</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">no voice hpi capture
buffer</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">no voice hpi capture destination
</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">interface
FastEthernet0/0</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>ip address 217.X.X.X <a
href="http://255.255.255.240/" target="_blank"
>255.255.255.240</A> </FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>ip nat outside</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>duplex auto</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>speed auto</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">interface
FastEthernet0/1</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>ip address <a href="http://10.0.0.1/" target="_blank">10.0.0.1</A> <a
href="http://255.255.255.0/" target="_blank"
>
255.255.255.0</A></FONT> </DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>ip nat inside</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>duplex auto</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>speed auto</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip nat pool LAN 217.X.X.X
217.X.X.X prefix-length 28</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip nat inside source list 10 pool
LAN overload</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip nat inside source static tcp <a
href="http://10.0.0.113/" target="_blank">10.0.0.113</A> 80
interface FastEthernet0/0 9999 </FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip nat inside source static <a
href="http://10.0.0.4/" target="_blank">10.0.0.4</A>
217.X.X.Y</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip nat inside source static <a
href="http://10.0.0.3/" target="_blank">10.0.0.3</A>
217.X.X.Z</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip http server</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip classless</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">ip route <a href="http://0.0.0.0/" target="_blank">0.0.0.0</A> <a href="http://0.0.0.0/" target="_blank">
0.0.0.0</A> 217.X.X.X</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">access-list 10 permit <a
href="http://10.0.0.0/" target="_blank">10.0.0.0</A> <a
href="http://0.0.0.255/" target="_blank"
>
0.0.0.255</A></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">dial-peer voice 1
voip</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>session protocol sipv2</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>session target ipv4:67.X.X.X</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>session transport udp</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">!<span>
</SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman">sip-ua<span> </SPAN></FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>nat symmetric role active</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>nat symmetric check-media-src</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>retry invite 2</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>retry response 2</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>retry bye 2</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>retry cancel 2</FONT></DIV>
<div style="MARGIN: 0in 0in 0pt"><font face="Times New Roman"><span> </SPAN>sip-server ipv4:67.X.X.X</FONT></DIV><br clear="all"><br>-- <br>Best Reagrds,<br>Mounir Mohamed
</DIV></SPAN></DIV>
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<br> </DIV></DIV></BLOCKQUOTE></DIV><br><br clear="all"><br>-- <br>Best Reagrds,<br>Mounir Mohamed </DIV></BODY></HTML>