* Connection issues with Google Fi
@ 2018-09-27 14:58 Lane Russell
2018-09-27 15:48 ` Jason A. Donenfeld
0 siblings, 1 reply; 9+ messages in thread
From: Lane Russell @ 2018-09-27 14:58 UTC (permalink / raw)
To: wireguard
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Using a Nexus 6P on Google Fi, I'm noticing that when roaming between cellular and WiFi, I occasionally lose the ability to use WireGuard. Coming from Verizon, I didn't previously have this issue.
I can only assume this has something to do with Fi manipulating the routing table in such a way that breaks WireGuard connectivity. I verified that WiFi Assitant is disabled. A simple tunnel-up, tunnel-down doesn't seem to fix the issue. Rebooting fixes the issue.
Next time the issue occurs, I can dump the ip rule list, but may need some assistance figuring out which ip tables to pull. Is this the info that will be needed to troubleshoot?
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* Re: Connection issues with Google Fi
2018-09-27 14:58 Connection issues with Google Fi Lane Russell
@ 2018-09-27 15:48 ` Jason A. Donenfeld
2018-09-27 17:23 ` Lane Russell
0 siblings, 1 reply; 9+ messages in thread
From: Jason A. Donenfeld @ 2018-09-27 15:48 UTC (permalink / raw)
To: Lane Russell; +Cc: WireGuard mailing list
Hi Lane,
Are you using the kernel module or the userspace implementation? Can
you send a debug log?
Jason
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* Re: Connection issues with Google Fi
2018-09-27 15:48 ` Jason A. Donenfeld
@ 2018-09-27 17:23 ` Lane Russell
2018-09-28 4:38 ` Lane Russell
0 siblings, 1 reply; 9+ messages in thread
From: Lane Russell @ 2018-09-27 17:23 UTC (permalink / raw)
To: Jason A. Donenfeld; +Cc: WireGuard mailing list
I believe I'm using the userspace implementation. I have stock Android on my Nexus 6P and installed the WireGuard app from Google Play.
I am able to consistently replicate the issue by bringing the WireGuard tunnel up while connected to cellular only, then connecting to WiFi.
Log 1: After bringing up tunnel on cellular, then roaming to Wifi
https://s3.amazonaws.com/pyrahex-misc/logs/wireguard-log_1_cellular2wifi.txt
Log 2: After connecting to WiFi, I restarted the WireGuard tunnel
https://s3.amazonaws.com/pyrahex-misc/logs/wireguard-log_2_restart_tunnel.txt
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Thursday, September 27, 2018 10:48 AM, Jason A. Donenfeld <Jason@zx2c4.com> wrote:
> Hi Lane,
>
> Are you using the kernel module or the userspace implementation? Can
> you send a debug log?
>
> Jason
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* Re: Connection issues with Google Fi
2018-09-27 17:23 ` Lane Russell
@ 2018-09-28 4:38 ` Lane Russell
2018-09-28 4:43 ` Jason A. Donenfeld
0 siblings, 1 reply; 9+ messages in thread
From: Lane Russell @ 2018-09-28 4:38 UTC (permalink / raw)
To: Jason A. Donenfeld; +Cc: WireGuard mailing list
Interesting, now that I have a better chance to look at this, I see that the logs show:
Failed to send data packet write udp6 [::]:49896->[2607:7700:0:8::48ca:860f]:51820
This is interesting because the DNS name my client interface is pointed at does not have a AAAA record.
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Thursday, September 27, 2018 12:23 PM, Lane Russell <lanerussell@protonmail.com> wrote:
> I believe I'm using the userspace implementation. I have stock Android on my Nexus 6P and installed the WireGuard app from Google Play.
>
> I am able to consistently replicate the issue by bringing the WireGuard tunnel up while connected to cellular only, then connecting to WiFi.
>
> Log 1: After bringing up tunnel on cellular, then roaming to Wifi
> https://s3.amazonaws.com/pyrahex-misc/logs/wireguard-log_1_cellular2wifi.txt
>
> Log 2: After connecting to WiFi, I restarted the WireGuard tunnel
> https://s3.amazonaws.com/pyrahex-misc/logs/wireguard-log_2_restart_tunnel.txt
>
> Sent with ProtonMail Secure Email.
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Thursday, September 27, 2018 10:48 AM, Jason A. Donenfeld Jason@zx2c4.com wrote:
>
> > Hi Lane,
> > Are you using the kernel module or the userspace implementation? Can
> > you send a debug log?
> > Jason
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* Re: Connection issues with Google Fi
2018-09-28 4:38 ` Lane Russell
@ 2018-09-28 4:43 ` Jason A. Donenfeld
2018-09-28 13:54 ` Lane Russell
0 siblings, 1 reply; 9+ messages in thread
From: Jason A. Donenfeld @ 2018-09-28 4:43 UTC (permalink / raw)
To: Lane Russell; +Cc: WireGuard mailing list
Hi Lane,
Ahh this is T-Mobile XLAT/CLAT happening. I'll put a fix for this into
the next android client release. Thanks for mentioning it.
Jason
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* Re: Connection issues with Google Fi
2018-09-28 4:43 ` Jason A. Donenfeld
@ 2018-09-28 13:54 ` Lane Russell
2018-10-02 3:07 ` Jason A. Donenfeld
0 siblings, 1 reply; 9+ messages in thread
From: Lane Russell @ 2018-09-28 13:54 UTC (permalink / raw)
To: Jason A. Donenfeld; +Cc: WireGuard mailing list
Ah, thanks for your help! I'll be off to learn about XLAT/CLAT.
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* Re: Connection issues with Google Fi
2018-09-28 13:54 ` Lane Russell
@ 2018-10-02 3:07 ` Jason A. Donenfeld
2018-10-02 12:44 ` Lane Russell
0 siblings, 1 reply; 9+ messages in thread
From: Jason A. Donenfeld @ 2018-10-02 3:07 UTC (permalink / raw)
To: Lane Russell; +Cc: WireGuard mailing list
Hi Lane,
The fix should be released. Let me know if that actually does the job.
Jason
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* Re: Connection issues with Google Fi
2018-10-02 3:07 ` Jason A. Donenfeld
@ 2018-10-02 12:44 ` Lane Russell
0 siblings, 0 replies; 9+ messages in thread
From: Lane Russell @ 2018-10-02 12:44 UTC (permalink / raw)
To: Jason A. Donenfeld; +Cc: WireGuard mailing list
Installed the new release and tried roaming from Fi service to WiFi, all appears to be working as expected. Thanks for following up!
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* Re: Connection issues with Google Fi
[not found] <mailman.1.1538128801.16643.wireguard@lists.zx2c4.com>
@ 2018-09-28 10:09 ` Brian Candler
0 siblings, 0 replies; 9+ messages in thread
From: Brian Candler @ 2018-09-28 10:09 UTC (permalink / raw)
To: wireguard
On 28/09/2018 11:00, wireguard-request@lists.zx2c4.com wrote:
> Failed to send data packet write udp6 [::]:49896->[2607:7700:0:8::48ca:860f]:51820
>
> This is interesting because the DNS name my client interface is pointed at does not have a AAAA record.
But does it have IPv4 address 72.202.134.15? (48ca:860f converted from
hex). If so, that's DNS64 in action.
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end of thread, other threads:[~2018-10-02 12:45 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-09-27 14:58 Connection issues with Google Fi Lane Russell
2018-09-27 15:48 ` Jason A. Donenfeld
2018-09-27 17:23 ` Lane Russell
2018-09-28 4:38 ` Lane Russell
2018-09-28 4:43 ` Jason A. Donenfeld
2018-09-28 13:54 ` Lane Russell
2018-10-02 3:07 ` Jason A. Donenfeld
2018-10-02 12:44 ` Lane Russell
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2018-09-28 10:09 ` Brian Candler
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