Fibre gurus Help

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ngoni615

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So I have annoying issue gents that is bothering me. So yesterday my fibre connection was disconnecting every 15 minutes. I finally grew tired of trying to see what's going on then slept. Now the problem is, the internet is working but most sites and even gaming apps like steam are not connecting to the internet without a VPN. When I enable a VPN everything works flawlessly. Download speeds and stuff work fine. Just navigating, browsing the internet and using gaming platforms like steam is now requiring a VPN to work. Vox said they're escalating it they have no idea whats going on. VUmatel says my line is okay on their side. Does any one know what could be the problem?
 
Try manually setting your DNS to 8.8.8.8 or 1.1.1.1 on one of your devices and see if that improve things..

If it does, whichever DNS server is in use by default is problematic.. if it doesn't make difference, you likely have to wait to see what comes from the escalation..
 
WAslayer said:
Try manually setting your DNS to 8.8.8.8 or 1.1.1.1 on one of your devices and see if that improve things..

If it does, whichever DNS server is in use by default is problematic.. if it doesn't make difference, you likely have to wait to see what comes from the escalation..
Click to expand...
Alright thanks will try that just now.
 
ngoni615 said:
So I have annoying issue gents that is bothering me. So yesterday my fibre connection was disconnecting every 15 minutes. I finally grew tired of trying to see what's going on then slept. Now the problem is, the internet is working but most sites and even gaming apps like steam are not connecting to the internet without a VPN. When I enable a VPN everything works flawlessly. Download speeds and stuff work fine. Just navigating, browsing the internet and using gaming platforms like steam is now requiring a VPN to work. Vox said they're escalating it they have no idea whats going on. VUmatel says my line is okay on their side. Does any one know what could be the problem?
Click to expand...

Vumatel trenched or aerial? Sounds more like an MTU issue. If you can change your MTU, drop it by 20 bytes or so.
 
websquadza said:
Vumatel trenched or aerial? Sounds more like an MTU issue. If you can change your MTU, drop it by 20 bytes or so.
Click to expand...
Thank you for responding. It is vumatel trenched. How do i change the MTU? I have access to my router.
 
ngoni615 said:
Thank you for responding. It is vumatel trenched. How do i change the MTU? I have access to my router.
Click to expand...

That’s odd- never seen MTU issues on trenched. First time for everything I guess. It’s worth some troubleshooting.

I’m assuming you have a MikroTik router? Set ether1’s MTU to 1480 and see if you see any improvement? If it doesn’t let you change that, check if you can clamp MSS..
Go to IP > Firewall > Mangle. Create a forwarding rule, interface=ether1, under action tab, action=Change MSS, and set value to 1432.

If it’s not a MikroTik router, you can try find the WAN port settings for your router and change the MTU to 1480.
 
websquadza said:
That’s odd- never seen MTU issues on trenched. First time for everything I guess. It’s worth some troubleshooting.

I’m assuming you have a MikroTik router? Set ether1’s MTU to 1480 and see if you see any improvement? If it doesn’t let you change that, check if you can clamp MSS..
Go to IP > Firewall > Mangle. Create a forwarding rule, interface=ether1, under action tab, action=Change MSS, and set value to 1432.

If it’s not a MikroTik router, you can try find the WAN port settings for your router and change the MTU to 1480.
Click to expand...
Thank you so much. let me try it just now
 
websquadza said:
That’s odd- never seen MTU issues on trenched. First time for everything I guess. It’s worth some troubleshooting.

I’m assuming you have a MikroTik router? Set ether1’s MTU to 1480 and see if you see any improvement? If it doesn’t let you change that, check if you can clamp MSS..
Go to IP > Firewall > Mangle. Create a forwarding rule, interface=ether1, under action tab, action=Change MSS, and set value to 1432.

If it’s not a MikroTik router, you can try find the WAN port settings for your router and change the MTU to 1480.
Click to expand...
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this is what i get. i tried changing from 1500 to 1480 but it did not improve anything
 
ngoni615 said:
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this is what i get. i tried changing from 1500 to 1480 but it did not improve anything
Click to expand...

MTU seems like it’s still on 1500 there- is the router allowing the change to 1480 to stick? I know those router permissions are pretty iffy.

Have you tried the MSS route?
 
websquadza said:
MTU seems like it’s still on 1500 there- is the router allowing the change to 1480 to stick? I know those router permissions are pretty iffy.

Have you tried the MSS route?
Click to expand...
yes it is allowing the changes to stick. I tried the MSS route and it did not seem to change much. do i have to reboot the router after the changes?
 
websquadza said:
Leave the LAN ports (eth 2-5) as 1500. One more test- then we know it’s not MTU. Try drop ether1 MTU to 1400. And remove the MSS mangle rule.
Click to expand...
So MTU =1400 and removing the mangle rule did not work. still doing the same thing. Any ideas?
 
ngoni615 said:
So MTU =1400 and removing the mangle rule did not work. still doing the same thing. Any ideas?
Click to expand...

Back to 1500 MTU it is then. As I said originally, trenched hardly ever has MTU issues. Thanks for running through the tests- glad to see it’s not MTU on VUMA trenched.

Ok. Let’s go back to basics. Can you ping one of the sites you are struggling to access? (Obviously, first check that the site can be pinged on a working device (try from your phone perhaps))
 
websquadza said:
Back to 1500 MTU it is then. As I said originally, trenched hardly ever has MTU issues. Thanks for running through the tests- glad to see it’s not MTU on VUMA trenched.

Ok. Let’s go back to basics. Can you ping one of the sites you are struggling to access? (Obviously, first check that the site can be pinged on a working device (try from your phone perhaps))
Click to expand...
Oh i am such a noob. How do you ping a site again? I am trying to reach www.guru3d.com
 
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