It’s configured as private.
As mentioned in the original post, UPnP is enabled and working. Other instances of Syncthing running in my network setups the NAT without any problem. I’ve see all mapings in the router NAT view, except for the Windows machine.
I’ve captured the broadcast in the RPi2 (port 1900) and restarted all synthing instances in my network with the next results:
OpenELEC:~ # tcpdump -i eth0 'port 1900'
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
13:29:30.567321 IP 192.168.1.1.36862 > 239.255.255.250.ssdp: UDP, length 411
13:29:30.677251 IP 192.168.1.1.36862 > 239.255.255.250.ssdp: UDP, length 420
13:29:30.787537 IP 192.168.1.1.36862 > 239.255.255.250.ssdp: UDP, length 483
13:29:30.898205 IP 192.168.1.1.54852 > 239.255.255.250.ssdp: UDP, length 465
13:29:31.008568 IP 192.168.1.1.49357 > 239.255.255.250.ssdp: UDP, length 420
13:29:31.119020 IP 192.168.1.1.49357 > 239.255.255.250.ssdp: UDP, length 459
13:29:31.239006 IP 192.168.1.1.34285 > 239.255.255.250.ssdp: UDP, length 491
13:29:31.349423 IP 192.168.1.1.50704 > 239.255.255.250.ssdp: UDP, length 420
13:29:31.459421 IP 192.168.1.1.50704 > 239.255.255.250.ssdp: UDP, length 479
13:29:31.569942 IP 192.168.1.1.54080 > 239.255.255.250.ssdp: UDP, length 473
13:29:31.680197 IP 192.168.1.1.53794 > 239.255.255.250.ssdp: UDP, length 487
13:29:37.916521 IP openelec.home.34527 > 239.255.255.250.ssdp: UDP, length 165
13:29:37.918179 IP openelec.home.38976 > 239.255.255.250.ssdp: UDP, length 165
13:35:27.254421 IP android-ed3e8e3479d80e14.home.48624 > 239.255.255.250.ssdp: UDP, length 165
13:35:27.267273 IP android-ed3e8e3479d80e14.home.44546 > 239.255.255.250.ssdp: UDP, length 165
13:36:31.568493 IP 192.168.1.1.40729 > 239.255.255.250.ssdp: UDP, length 411
13:36:31.678476 IP 192.168.1.1.40729 > 239.255.255.250.ssdp: UDP, length 420
13:36:31.788668 IP 192.168.1.1.40729 > 239.255.255.250.ssdp: UDP, length 483
13:36:31.899306 IP 192.168.1.1.52491 > 239.255.255.250.ssdp: UDP, length 465
13:36:32.009555 IP 192.168.1.1.38781 > 239.255.255.250.ssdp: UDP, length 420
13:36:32.119804 IP 192.168.1.1.38781 > 239.255.255.250.ssdp: UDP, length 459
13:36:32.230072 IP 192.168.1.1.49986 > 239.255.255.250.ssdp: UDP, length 491
13:36:32.340414 IP 192.168.1.1.58561 > 239.255.255.250.ssdp: UDP, length 420
13:36:32.450495 IP 192.168.1.1.58561 > 239.255.255.250.ssdp: UDP, length 479
13:36:32.562679 IP 192.168.1.1.54646 > 239.255.255.250.ssdp: UDP, length 473
13:36:32.671448 IP 192.168.1.1.44317 > 239.255.255.250.ssdp: UDP, length 487
There is only traffic from the router, RPi2 and the Android tablet. Windows machine is muted.
If no more susgestions about the problem, I’ll try to capture data packets in the Windows machine to see what’s happend. It seams that packets does not leave the Windows machine…