Perfect negotiation sample not working on Android Chrome

[felix-aivitex]

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Browser affected

Chrome (83.0.4103.106) on Pixel 4a

Description

running the perfect negotiation does not give expected results, although the logs seem correct no remoteVideo is rendered on either polite or impolite peer side
https://webrtc.github.io/samples/src/content/peerconnection/perfect-negotiation/

Steps to reproduce

Start both peers connection and swap the sending track

Expected results

additional remote video element is added next to local video elements

Actual results

only local video elements are displayed, no additional element added

[felix-aivitex]

I am actually getting the same silent failure on this sample as well https://webrtc.github.io/samples/src/content/peerconnection/pc1/ same device, pixel 4a chrome 83.0.4103.106

The logs seem ok but no video is exchanged between the two peers, the left side shows the localstream but the right side only shows a black canvas when hitting the call button.

[alvestrand]

I see that you tied this issue to an ipv6-only problem we've seen in other contexts.
Can you possibly share the result of running "ip addr" (linux) or similar commands for other OSes so that we can see what interfaces and addresses are available?

This is likely a Chrome bug, not a bug in the page; if verified, we'll probably move this to crbug.com.

[felix-aivitex]

I'm not sure how to run that command on Android but if I check in the device settings I can see that there are 4 addresses listed: 3 IPv6 addresses (one of them link-local f80:...) and one IPv4 (the device ip address on the local network)

[alvestrand]

Screenshot the device settings page?
Does your network have IPv4 connectivity?

Pinging @henbos

[fippo]

ping. I think we've made some progress on Android ICE bugs.