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 zhangwe...@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
<<inline: router_setting.png>>
<<inline: ekiga_error_msg.png>>
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