From: "Jörg Thalheim" <joerg@higgsboson.tk>
To: wireguard@lists.zx2c4.com
Subject: Re: [wireguard-android] 'roaming' from LTE to WiFi with version 0.0.20180523
Date: Thu, 24 May 2018 14:57:18 +0100 [thread overview]
Message-ID: <f40f4b86-90a6-ff2c-4d17-7d2a278c201b@higgsboson.tk> (raw)
In-Reply-To: <1527135367.1083058.1382934352.4E96D38A@webmail.messagingengine.com>
On 2018-05-24 05:16, nnet wrote:
> So this is how it ends:
>
> 05-23 20:33:45.323 9600 9619 D WireGuard/GoBackend/wireguard: peer(AsMM…SeWg) - Sending handshake initiation
> 05-23 20:33:45.326 9600 9619 E WireGuard/GoBackend/wireguard: peer(AsMM…SeWg) - Failed to send handshake initiation write udp6 [::]:46719->[]:41414: sendto: network is unreachable
> 05-23 20:33:45.326 9600 9619 D WireGuard/GoBackend/wireguard: peer(AsMM…SeWg) - Awaiting keypair
> 05-23 20:33:50.367 9600 9678 D WireGuard/GoBackend/wireguard: peer(AsMM…SeWg) - Sending handshake initiation
> 05-23 20:33:50.376 9600 9678 E WireGuard/GoBackend/wireguard: peer(AsMM…SeWg) - Failed to send handshake initiation write udp6 [::]:46719->[snip]:41414: sendto: network is unreachable
> 05-23 20:36:10.188 9600 11291 D WireGuard/GoBackend/wireguard: peer(AsMM…SeWg): Handshake did not complete after 20 attempts, giving up
> 05-23 20:39:12.258 9600 9677 D WireGuard/GoBackend/wireguard: :peer(AsMM…SeWg) Removing all keys, since we haven't received a new one in 540 seconds
>
> Interestingly it's trying to send out to an IPv6 address. The peer endpoint IP is IPv4 only (the LTE is IPv4-in-6).
In the wg command it resolves the domain once and picks the preferred protocol family of the system (which is ipv6 when its available).
Since this is only done once it will stick to ipv6 for ever until the VPN is reconfigured by wg.
This is an unsolved known problem.
next prev parent reply other threads:[~2018-05-24 13:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-23 23:57 [wireguard-android] 'roaming' from LTE to WiFi with version 0.0.20180523 nnet
2018-05-24 4:16 ` nnet
2018-05-24 13:57 ` Jörg Thalheim [this message]
2018-05-24 13:59 ` Jason A. Donenfeld
2018-05-24 14:01 ` Jason A. Donenfeld
2018-05-24 15:04 ` Jason A. Donenfeld
2018-05-24 15:10 ` Jason A. Donenfeld
2018-05-24 15:18 ` nnet
2018-05-24 18:00 ` Jason A. Donenfeld
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