[100% working method*] how to fix radius server is not responding error ?
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Every five to six hours on some devices we have a tendency to see in logs RADIUS_DEAD not responding with all 3 radius servers. alternative elements of the network it happens even additional oft. From rectify it associate accounting session initiates however before long when a transmission control protocol reset happens because of NAS error (auth failed). Between these six hours the radius servers comms square measure ok. No issues. able to} access the device no downside however throughout RADIUS_DEAD weren't able to access the host.
I am attempting to work out if the problem is with our native host that it's a parameters that the radius sever rejects or the problem is with the a misconfiguration at the radius server with native config is ok.
This specific device is C9300 however I'm seeing constant downside with 3650 and Nexus 9k all running their Cisco instructed IOS.
Symptoms of radius server is not responding error ?
When configuring a tool or application to be used with Jump Cloud RADIUS, users don't seem to be able to manifest. E.g., LAN or VPN users don't seem to be able to connect.
Cause of radius server is not responding error ?
✔️This may flow from to at least one or additional reasons:
✔️Misconfigured device/application
✔️Configuration pair between the RADIUS record in Jump Cloud and also the device/application
✔️User isn't a member of a gaggle granted access to Jump Cloud RADIUS record
✔️Misconfigured consumer
✔️Network issues
✔️Incorrect credentials
✔️Resolution
Note: Jump Cloud RADIUS servers don't answer ICMP, so ping won't respond if trying a basic available check.
[100% fixed*] how to fix radius server is not responding error ?
✔️Make sure the positive identification getting used works of course with the JumpCloud User Portal. Note this may make sure the positive identification, although the portal uses the e-mail address, RADIUS is expecting the username and positive identification, NOT email address and positive identification.
✔️Verify the general public information science address wherever the requests originate and compare it to the RADIUS record within the JumpCloud Console. this will be done with https://www.whatismyip.com/ or using # curl ifconfig.co from a shell.
✔️Verify the shared secret. for a few devices/applications, complicated strings can cause a failure. If this is often suspected, modification the shared secret to a brief alpha/numeric string.
✔️Verify users square measure members of a User cluster that has been granted access to RADIUS. See Binding Users to Resources.
✔️Verify port 1812/UDP is getting used and also the network isn't interference that traffic.
✔️If the device/application includes a testing possibility and still fails, take a look at the RADIUS association on associate freelance device to assist slender wherever the matter exists. this will be done on Windows with ntradping , or rad test for associate os variant with an offered Free RADIUS package.
Configure NPS UDP Port Information
Configure Firewalls for RADIUS Traffic
You must be check necessary port are enabled in Windows Firewall of RADIUS server side.
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Conclusion:-
If these solutions don't resolve the problem, note the username failing to manifest, your Organisation ID, a timestamp of the attempt(s)/failure(s), if potential, logs from the application/device, and submit a support request for additional help.
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