IceConnection state failed while connecting two Remote clients in different using a coturn server

Raghavender Mylagary

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Apr 9, 2018, 2:19:34 PM4/9/18

to discuss-webrtc

Hi,

I am trying to connect two clients Remotely in different networks and i am getting IceCandidateConnection status as failed. I am using a coturn server as a turn which accepts only UDP and stun server. Below is the log i am getting in about:webrtc of firefox:

Candidate log :

PeerConnection ID: 1523297273518693 (id=2147483737 url=https://eskns.com/virtualchat)

ICE Stats

Trickled candidates (arriving after answer) are highlighted in blue
Local Candidate	Remote Candidate	ICE State	Priority	Nominated	Selected
10.16.24.19:51599/udp(host)	172.20.10.2:36494/udp(host)	failed	9114442320328917000	false	false
10.8.0.26:44981/udp(host)	172.20.10.2:36494/udp(host)	failed	9114442320328786000	false	false
10.16.24.19:51599/udp(host)	208.54.85.179:31566/udp(serverreflexive)	failed	7240978960203252000	false	false
10.8.0.26:44981/udp(host)	208.54.85.179:31566/udp(serverreflexive)	failed	7240978960203121000	false	false

ICE restarts: 0

ICE rollbacks: 0

All Raw Candidates

▼ show raw candidates

SDP

Local SDP (Offer)

v=0
o=mozilla...THIS_IS_SDPARTA-59.0.2 7830508841574298961 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 E2:AD:A2:2B:69:FC:62:C8:7E:2B:8E:A9:BE:72:8E:6F:65:9D:9E:75:47:3C:6E:8B:C5:8D:36:96:89:45:63:0F
a=group:BUNDLE sdparta_0 sdparta_1
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 27078 UDP/TLS/RTP/SAVPF 109 9 0 8 101
c=IN IP4 131.95.1.135
a=candidate:0 1 UDP 2122252543 10.16.24.19 51599 typ host
a=candidate:4 1 UDP 2122187007 10.8.0.26 44981 typ host
a=candidate:8 1 TCP 2105524479 10.16.24.19 9 typ host tcptype active
a=candidate:9 1 TCP 2105458943 10.8.0.26 9 typ host tcptype active
a=candidate:0 2 UDP 2122252542 10.16.24.19 60111 typ host
a=candidate:4 2 UDP 2122187006 10.8.0.26 43187 typ host
a=candidate:8 2 TCP 2105524478 10.16.24.19 9 typ host tcptype active
a=candidate:9 2 TCP 2105458942 10.8.0.26 9 typ host tcptype active
a=candidate:1 1 UDP 1686052863 131.95.1.135 27078 typ srflx raddr 10.16.24.19 rport 51599
a=candidate:1 2 UDP 1686052862 131.95.1.135 65529 typ srflx raddr 10.16.24.19 rport 60111
a=sendrecv
a=end-of-candidates
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:mid
a=fmtp:109 maxplaybackrate=48000;stereo=1;useinbandfec=1
a=fmtp:101 0-15
a=ice-pwd:b8213a6bb9067addde51fcbe6062b810
a=ice-ufrag:406caa0f
a=mid:sdparta_0
a=msid:{6e3aae13-8330-40f2-bb64-8340b96e7bff} {270b0330-ad95-47c5-8358-df76c55d07b8}
a=rtcp:65529 IN IP4 131.95.1.135
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=rtpmap:9 G722/8000/1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=setup:actpass
a=ssrc:2797382455 cname:{5a3d45da-59c4-45f7-848a-70253293396f}
m=video 27078 UDP/TLS/RTP/SAVPF 120 121 126 97
c=IN IP4 131.95.1.135
a=candidate:0 1 UDP 2122252543 10.16.24.19 35785 typ host
a=candidate:4 1 UDP 2122187007 10.8.0.26 60461 typ host
a=candidate:8 1 TCP 2105524479 10.16.24.19 9 typ host tcptype active
a=candidate:9 1 TCP 2105458943 10.8.0.26 9 typ host tcptype active
a=candidate:0 2 UDP 2122252542 10.16.24.19 57521 typ host
a=candidate:4 2 UDP 2122187006 10.8.0.26 54431 typ host
a=candidate:8 2 TCP 2105524478 10.16.24.19 9 typ host tcptype active
a=candidate:9 2 TCP 2105458942 10.8.0.26 9 typ host tcptype active
a=candidate:1 1 UDP 1686052863 131.95.1.135 25133 typ srflx raddr 10.16.24.19 rport 35785
a=candidate:1 2 UDP 1686052862 131.95.1.135 2479 typ srflx raddr 10.16.24.19 rport 57521
a=sendrecv
a=extmap:1 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=fmtp:126 profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1
a=fmtp:97 profile-level-id=42e01f;level-asymmetry-allowed=1
a=fmtp:120 max-fs=12288;max-fr=60
a=fmtp:121 max-fs=12288;max-fr=60
a=ice-pwd:b8213a6bb9067addde51fcbe6062b810
a=ice-ufrag:406caa0f
a=mid:sdparta_1
a=msid:{6e3aae13-8330-40f2-bb64-8340b96e7bff} {af0a6de2-d397-44a2-96d9-35892b910b96}
a=rtcp:2479 IN IP4 131.95.1.135
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:120 goog-remb
a=rtcp-fb:121 nack
a=rtcp-fb:121 nack pli
a=rtcp-fb:121 ccm fir
a=rtcp-fb:121 goog-remb
a=rtcp-fb:126 nack
a=rtcp-fb:126 nack pli
a=rtcp-fb:126 ccm fir
a=rtcp-fb:126 goog-remb
a=rtcp-fb:97 nack
a=rtcp-fb:97 nack pli
a=rtcp-fb:97 ccm fir
a=rtcp-fb:97 goog-remb
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=rtpmap:121 VP9/90000
a=rtpmap:126 H264/90000
a=rtpmap:97 H264/90000
a=setup:actpass
a=ssrc:3732981129 cname:{5a3d45da-59c4-45f7-848a-70253293396f}

Remote SDP (Answer)

v=0
o=mozilla...THIS_IS_SDPARTA-59.0.1 281040868006921328 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 41:33:78:18:DD:1F:D4:B6:57:53:51:AC:33:A1:D9:9A:2C:4E:CD:BB:B1:4E:2A:C2:46:50:4F:3C:12:1B:97:D3
a=group:BUNDLE sdparta_0 sdparta_1
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 9 UDP/TLS/RTP/SAVPF 109 101
c=IN IP4 0.0.0.0
a=candidate:0 1 UDP 2122121471 172.20.10.2 36494 typ host
a=candidate:4 1 UDP 2122187007 2607:fb90:25db:782e:5d87:2875:6a4c:3825 38435 typ host
a=candidate:8 1 UDP 2122252543 2607:fb90:25db:782e:5271:9af0:dc72:8551 45831 typ host
a=candidate:12 1 TCP 2105393407 172.20.10.2 9 typ host tcptype active
a=candidate:13 1 TCP 2105458943 2607:fb90:25db:782e:5d87:2875:6a4c:3825 9 typ host tcptype active
a=candidate:14 1 TCP 2105524479 2607:fb90:25db:782e:5271:9af0:dc72:8551 9 typ host tcptype active
a=candidate:1 1 UDP 1685921791 208.54.85.179 31566 typ srflx raddr 172.20.10.2 rport 36494
a=sendrecv
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:mid
a=fmtp:109 maxplaybackrate=48000;stereo=1;useinbandfec=1
a=fmtp:101 0-15
a=ice-pwd:a2d690bfd141de1c3bfe0cad8a75b956
a=ice-ufrag:7219417e
a=mid:sdparta_0
a=msid:{b4292e14-ea0a-4ef4-bc14-5402cf2c4897} {a033f58f-6174-4950-ab43-17e841a288ea}
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=rtpmap:101 telephone-event/8000
a=setup:active
a=ssrc:1881908549 cname:{b4fa8c04-a207-4092-b554-95a5f71e8ad3}
m=video 9 UDP/TLS/RTP/SAVPF 120
c=IN IP4 0.0.0.0
a=sendrecv
a=extmap:1 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid
a=fmtp:120 max-fs=12288;max-fr=60
a=ice-pwd:a2d690bfd141de1c3bfe0cad8a75b956
a=ice-ufrag:7219417e
a=mid:sdparta_1
a=msid:{b4292e14-ea0a-4ef4-bc14-5402cf2c4897} {17b818a8-855c-4e06-a36c-8c9dd10f33d8}
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:120 goog-remb
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=setup:active
a=ssrc:553664470 cname:{b4fa8c04-a207-4092-b554-95a5f71e8ad3}

RTP Stats

outbound_rtcp_video_1

Local: 10:26:31 GMT-0600 (CST) inbound-rtp SSRC: 3732981129

inbound_rtp_audio_2

Local: 13:08:37 GMT-0500 (CDT) inbound-rtp SSRC: 0

inbound_rtp_video_3

Local: 13:08:37 GMT-0500 (CDT) inbound-rtp SSRC: 553664470

outbound_rtp_audio_0

Local: 13:08:37 GMT-0500 (CDT) outbound-rtp SSRC: 2797382455