<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'>I usually go with loop backs. Remember, you need to have routing enabled though on the voice gateway so your loopbacks get advertised properly. Seems silly, but I don't think routing is turned on by default.<br><br>Lelio<br><br><br>---<br>Lelio Fulgenzi, B.A.<br>Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>Cooking with unix is easy. You just sed it and forget it. <br> - LFJ (with apologies to Mr. Popeil)<br><br><br>----- Original Message -----<br>From: "Ted Nugent" <tednugent73@gmail.com><br>To: "Jeff Ruttman" <ruttmanj@carewisc.org><br>Cc: cisco-voip@puck.nether.net<br>Sent: Monday, June 14, 2010 3:02:27 PM GMT -05:00 US/Canada Eastern<br>Subject: Re: [cisco-voip] GW IP Address in CCM<br><br><div>my experience has been that it will pick the hard interface that is connected closest to CM (Serial on WAN and ethernet on LAN)</div>
<div>I typically lock in the interface that I prefer with the mgcp bind commands to make certain i know where its getting bound</div>
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<div>mgcp bind control source-interface FastEthernet0/1<br>mgcp bind media source-interface FastEthernet0/1</div>
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<div>HTH Ted<br><br></div>
<div class="gmail_quote">On Mon, Jun 14, 2010 at 12:33 PM, Jeff Ruttman <span dir="ltr"><<a href="mailto:ruttmanj@carewisc.org" target="_blank">ruttmanj@carewisc.org</a>></span> wrote:<br>
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<div><span><font face="Arial" size="2">Hi,</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2">I have a voice router configured, and in CCM an MGCP GW configured. I put the router on the LAN and all is well except CCM can't see the loopback interface, so the IP address on the CCM GW is the gig interface that is connecting the router to the network. Otherwise it appears that CCM did its MGCP config on the router just fine. Turns out CCM can't ping the loopback interface on the router.</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2">I have the router connected ad hoc, not even on the specific network where it WILL be connected once in production. I assume there is something about the networking here that is preventing CCM from seeing the loopback as I'm currently setup. My questions:</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2">When a newly configed CCM GW and voice router first meet, does CCM look for a loopback by default? And since it couldn't find one on the voice router, it chose the gig interface instead?</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2">If I were to put the router on the proper network with the final IP address on the gig interface, and assuming the loopback interface is indeed now available to CCM, will it then use the loopback IP, or will I have to do something to make that happen.</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2">Loopback interface on router is Up Up.</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2">Thanks</font></span></div>
<div><span><font face="Arial" size="2">jeff</font></span></div>
<div><span><font face="Arial" size="2"></font></span> </div>
<div><span><font face="Arial" size="2"></font></span> </div>
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