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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Hi;<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I am getting NAT detection errors:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>fs_cli:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>freeswitch@internal> nat_map status</span><span style='color:#1F497D'><o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>Nat Type: UNKNOWN, ExtIP:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>NAT port mapping enabled.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>freeswitch.log<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>2014-06-21 07:55:56.415860 [INFO] switch_nat.c:420 Scanning for NAT<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>2014-06-21 07:55:56.415860 [DEBUG] switch_nat.c:170 Checking for PMP 1/5<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>2014-06-21 07:55:56.415860 [ERR] switch_nat.c:201 Error checking for PMP [general error]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>2014-06-21 07:55:56.415860 [DEBUG] switch_nat.c:425 Checking for UPnP<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>2014-06-21 07:56:08.415906 [INFO] switch_nat.c:441 No PMP or UPnP NAT devices detected!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>Network topology:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>LAN / eth0 = 192.168.1.1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>WAN /eth1 = 192.0.xxx.xxx (dynamic IP)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>I have tracked this down to upnp M-SEARCH is being sent using the WAN, as opposed to LAN interface.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'>From: autoload_configs/acl.conf.xml<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'> <list name="lan" default="allow"><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'> <node type="deny" cidr="192.168.1.1/32"/> <!-- B.R. Changed from 192.168.42.0/24 --><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'> <node type="allow" cidr=”192.168.1.1/16"/> <!-- B.R. Changed from 192.168.42.42/32 --><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'> </list><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-CA'><o:p> </o:p></span></p></div></div><p><span lang=EN style='font-size:11.0pt'>root@OpenWrt:/usr/local/freeswitch/conf# tcpdump -i eth1 | grep 1900:</span><span lang=EN><o:p></o:p></span></p><p><span lang=EN style='font-size:11.0pt'>tcpdump: verbose output suppressed, use -v or -vv for full protocol decode</span><span lang=EN><o:p></o:p></span></p><p><span lang=EN style='font-size:11.0pt'>listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes</span><span lang=EN><o:p></o:p></span></p><p><span lang=EN style='font-size:11.0pt'>07:55:56.431306 IP 192-0-XXX-XXX.cpe.teksavvy.com.52711 > 239.255.255.250.1900: UDP, length 137</span><span lang=EN><o:p></o:p></span></p><p><span lang=EN style='font-size:11.0pt'>07:55:59.431423 IP 192-0-XXX-XXX.cpe.teksavvy.com.52711 > 239.255.255.250.1900: UDP, length 132</span><span lang=EN><o:p></o:p></span></p><p><span lang=EN style='font-size:11.0pt'>07:56:02.431512 IP 192-0-XXX-XXX.cpe.teksavvy.com.52711 > 239.255.255.250.1900: UDP, length 133</span><span lang=EN><o:p></o:p></span></p><p><span lang=EN style='font-size:11.0pt'>07:56:05.431642 IP 192-0-XXX-XXX.cpe.teksavvy.com.52711 > 239.255.255.250.1900: UDP, length 101</span><span lang=EN><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#1F497D;mso-fareast-language:EN-CA'>Questions:<o:p></o:p></span></b></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Q1: How do I coerece upnp to broadcast using eth0 (LAN), as opposed to eth1 (WAN)?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Q2: What is the algorithm upnp uses to determine multicast interface?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks;<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Bill Ross<o:p></o:p></span></p></div></body></html>