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I am on a linksys router wrt54g that reports symentric NAT, What was recommended was to use port triggering as opposed to port forwarding. I am not too sure what the difference is, But basically i followed this link ... http://wiki.ekiga.org/index.php/Ekiga_behind_a_NAT_router (Symmetric NAT: Dynamic navigation of NAT routers section) > Date: Mon, 29 Dec 2008 10:55:19 +0800 > From: zhangweiwu realss com > To: ekiga-list gnome org > Subject: [Ekiga-list] quick help appreciated: ekiga always report symmetric NAT even after port-forwarding enabled. > > 1. If I set my notebook as DMZ, ekiga report I have cone NAT and > thus should work. But I cannot keep my notebook as DMZ for local > network management reasons; > 2. If I don't set my notebook as DMZ, ekiga always report I have > symmetric NAT even if I enable port-forwarding strictly according > to recommendation; > 1. router (act as NAT firewall) setting is attached to this > email. Note 192.168.1.101 is IP address of my notebook; > 2. there is only 1 public IP address for this router; > 3. router setting is tested using netcat (running 'nc -u -l -p > 5062' on my notebook and run 'nc -u emerson.realss.com 5062' > on a remote server, test UDP port forwarding works fine by > typing hello world on remote server and see it comes out > locally); > > > Fast help highly appreciated because I am trying to start an online meeting. > > Other information: a) screenshot of ekiga is provided; b) netstat -l on > notebook attached as following > > zhangweiwu esmeralda:~$ netstat -ltu > Aktive Internetverbindungen (Nur Server) > Proto Recv-Q Send-Q Local Address Foreign Address > State > tcp 0 0 *:sunrpc *:* > LISTEN > tcp 0 0 *:x11 *:* > LISTEN > tcp 0 0 *:http *:* > LISTEN > tcp 0 0 *:ssh *:* > LISTEN > tcp 0 0 localhost:ipp *:* > LISTEN > tcp 0 0 192.168.1.:h323hostcall *:* > LISTEN > udp 0 0 192.168.1.255:5060 *:* > > udp 0 0 192.168.1.101:5060 *:* > > udp 0 0 *:bootpc *:* > > udp 0 0 *:bootpc *:* > > udp 0 0 *:5063 *:* > > udp 0 0 *:5064 *:* > > udp 0 0 *:5065 *:* > > udp 0 0 *:5066 *:* > > udp 0 0 *:sunrpc *:* > > udp 0 0 *:ipp *:* > > > -- > Real Softservice > > Huateng Tower, Unit 1788 > Jia 302 3rd area of Jinsong, Chao Yang > > Tel: +86 (10) 8773 0650 ext 603 > Mobile: 159 1111 7382 > http://www.realss.com > > Add maps and directions to your party Show them the way! |