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anytimesoon
anytimesoon via Linux • lemmy

Can't access internet after wireguard uninstall

Hello,

I had a working wireguard peer on my laptop, which I didn't want anymore, so I decided to uninstall wireguard. All was well until I restarted the laptop and now I can't access the internet anymore.

I think it's because of some config left over from wireguard, but I'm not sure how to fix it.

Running pop os 22.04.

Any advice?

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Nanook
Nanook friendica (DFRN)
I would look at your interface configuration and your routing, ip addr show, netstat -nr and go from there. Also might check iptables, iptables -L -n and make sure there aren't any iptable rules blocking your access.
This entry was edited (8 hours ago)
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Shoreline, WA, USA
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anytimesoon
anytimesoon • lemmy
IP tables have no rules, but netstat is showing traces of WG. Two of the interface names are the same as WG config name I used
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superkret
superkret • lemmy

sudo traceroute 1.1.1.1

can show you how far your connection request gets (whether it's blocked by your pc, your router, or somewhere on the internet).
You may have to install it first.

sudo find /etc -name *wg*
find ~ -name *wg*

can help find left-over config files.

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anytimesoon
anytimesoon • lemmy
All I got was wget, so this is clean
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CameronDev
CameronDev • lemmy
Give the output of route, maybe there is a left over route.
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Nanook
Nanook friendica (DFRN)
@CameronDev @anytimesoon This is why I suggested netstat -nr
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CameronDev
CameronDev • lemmy
Yup, didn't read your comment properly, but that will also work.
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anytimesoon
anytimesoon • lemmy

The output was pretty much the same from this as from netstat -nr

I would share it here, but I can't access the internet from that machine

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Nanook
Nanook friendica (DFRN)
@anytimesoon @CameronDev It should be as both commands do more or less the same thing, the question is your default route correct and are there any other routes that might be misdirecting your data.
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anytimesoon
anytimesoon • lemmy
I'm not entirely sure which of the list is the default route is, but absolutely see my WiFi router on the list. Took a picture as recommended by @CameronDev
1000005757
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Nanook
Nanook friendica (DFRN)
@anytimesoon Assuming 192.168.1.1 is your wifi router, it looks correct. Can you ping that IP?
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anytimesoon
anytimesoon • lemmy

~~Nope. Destination host is unreachable when pinging~~

I changed to a different router and can at least ping that now, but still no internet

This entry was edited (5 hours ago)
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CameronDev
CameronDev • lemmy

~~Take a photo of the output? First few lines are most important, but ideally all would be good. ~~

Edit: actually, dont want to crowd the kitchen, good luck!

This entry was edited (6 hours ago)
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Nanook
Nanook friendica (DFRN)

This is what mine looks like for contrast:
0.0.0.0 50.251.249.54 0.0.0.0 UG 0 0 0 bridge0
50.251.249.48 0.0.0.0 255.255.255.248 U 0 0 0 bridge0
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0

In my case, 50.251.249.54 is my gateway and .48 my broadcast. I am static routed so no NAT.

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Nanook
Nanook friendica (DFRN)
Sorry formatting is whack, Friendica does not understand tabs.
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anytimesoon
anytimesoon • lemmy
So that looks similar to what I have. Wonder why it's not working
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Nanook
Nanook friendica (DFRN)
Did you try to ping the router IP, 192.168.1.1 and see if it responded?
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anytimesoon
anytimesoon • lemmy

~~I did, but no response~~

I changed to a different router and can at least ping that now, but still no internet

This entry was edited (5 hours ago)
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Nanook
Nanook friendica (DFRN)
@anytimesoon With that different router, now try a traceroute 1.1.1.1, if you get a response from the first hop, 192.168.1.1, then something is wrong with the NAT on the router or your cable service or fiber or whatever it is, is not working.
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anytimesoon
anytimesoon • lemmy
Unlikely to be something wrong with that, tbh. Everything else on that network has internet access. The issue is limited to the laptop
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Nanook
Nanook friendica (DFRN)
@anytimesoon I'm a bit at a loss then. I do have a Comcast router that is weird in that ARP only works at boot time so if I plug a new device into it, it won't route for that device unless I reboot it.
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anytimesoon
anytimesoon • lemmy
No worries. Thanks for your help! I'll post here if/when I find a solution
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