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Member_2_8088314

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NO internet access in WiFi but internet is working.

Hello All,

I am facing WiFi issue showing no internet access to it.
But when I connect internet is working fine. showing no other network available sometimes.
I am trying to isolate issue with device . this maybe wirelesses AP issue.(i am using aruba ap215)  or vlan issue bcoz i can see this is only with wifi vlans(3 vlan).
What can be the issue with WiFi or switch or firewall.
PFA;
Thanks in advance!
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Iamthecreator
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Please run IPCONFIG/ALL at the prompt and post the output here.

I have had similar issues with laptops in my company where it will not detect all the available SSIDs or shows No Internet
Restacking the TCP always fixed the issue

To eliminate any device related issue run the following at an elevated prompt and then restart the system

netsh int ip reset
I agree with resetting TCP/IP  . I do DNS Flush at the same time.

Open cmd.exe with Run as Administrator
Then: netsh int ip reset c:\resetlog.txt    <--- You need to add the output to Reset.
Then: ipconfig /flushdns

Then restart the computer.
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Member_2_8088314

ASKER

hello !

Thanks all for the comment.

Its not device related, i'm seeing this for almost all device.

sometime it show no internet and suddenly  it will go away .

seems the issue with aruba wifi config or switch config or may be DNS detection issue.

Pls let me know your  view.
Thanks!
Thanks for the update. Try updating the firmware on the wireless router. If that fails, do a hard reset back to factory specs on the wireless router and set it up again.

It is not likely a switch problem (at least not for commercial switches).
hi!

I've two diff vendor aruba/juniper.
can see problem in both.
Connect a wireless router directly to your ISP modem and configure. Does it work?

You seem to a have a network configuration issue between ISP modem and your main network.
ASKER CERTIFIED SOLUTION
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Craig Beck
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Not enough follow up from author yet to confirm a solution.
The answer doesn't require any feedback from the author, John.  My comment details why this happens.  It's a common issue, especially when using captive portals, etc.  Windows just can't get to the NCSI website to check connectivity.
There is another possible answer above that also has not been commented upon
I don't think so, John.  The OP clearly said...

i can see this is only with wifi vlans(3 vlan).

That indicates the TCP/IP stack is working fine.  As I said, this is common where a proxy is used or DNS doesn't resolve the NCSI URL.  That isn't indicative of something specifically being "wrong".

The problem will likely be due to a firewall rule for wireless clients.
hi Craig Beck!!
 Answer accepted. same is resolved.

Thanks!
Thank you for clarifying that of the answers offered, Craig's answer was the solution for you. Very helpful