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April 3, 2026 at 12:50 pm in reply to: L2Bridge not forwarding frames between NIC_ConnectX_6 ports #9643
Hello Mounika,
Try looking at the examples for Wide Area Link (layer 2) under the Networking section of Basic Examples in the start_here.ipynb jupyter notebook. I think you could combine your current setup with some of these examples.
https://github.com/fabric-testbed/jupyter-examples/blob/main/start_here.ipynb
March 30, 2026 at 9:41 am in reply to: [Issue] TokenManagerException: expired refresh token during FablibManager initia #9615Hello,
This technical guide https://learn.fabric-testbed.net/knowledge-base/obtaining-and-using-fabric-api-tokens/ describes how to generate new tokens manually and what to do if you see that expired token error. In short, you can try
- Restarting your jupyter hub or
- Manually generate a new token and paste it into /home/fabric/.tokens.json
Reply back here if this doesn’t work or if you’re still having issues.
Hi Meshal,
Have you checked from the fabric portal website if the slice is still configuring? You can also delete slices from here if it finished configuring. It is under the experiments tab -> “My Slices”
Hi Nourin,
I see an artifact titled “Benchmarking LLM Security against OWASPs Tests” with you as an author. Is this the artifact you are referring to? If so, it appears to have successfully uploaded despite the glitch.
November 26, 2025 at 11:39 am in reply to: Discrepancy Between Requested and Allocated CPU Cores in My Slice #9207Hello,
Since you are using the EDUKY education site, there is a limit of 4 cpus per node. So each of your nodes only have the 4 cores and not 64.
Following up with this post to summarize the solution:
With setting VLAN tag for the p4 switch, the p4 code would need to be updated to handle this. Instead, the VLAN tag was removed and this helped solve the issue.
Hello Hadi,
An announcement was posted earlier about FIU dataplane down which could be affecting your experiment. Updates should be posted on this thread about when it will be fixed:
Best,
Benjamin
Hi,
Could you check in the portal if your current keys are expired (both slice and bastion keys) ? If keys already exist, I believe the configure environment notebook won’t generate new keys. If they are expired, try deleting the keys and then re-running the configuration notebook again.
Thanks!
Hi,
I’m able to see my projects. Is this still an issue for you? Also, are you able to see the slice under the My Slices tab? Maybe try logging out and logging back in if you haven’t already.
May 29, 2025 at 5:07 pm in reply to: Lost access to /home/fabric/work/fabric_config/ on JupyterLab #8555Hi,
Could your project have expired? You might could also try re-running the configure and validate notebook as well. Let me know if you continue to have issues.
Thanks!
No, they are not directly connected
Hi Manas,
Sorry for the late response, are you still having issues with this? I tried to recreate your problem, but successfully installed drivers using FIU and other sites. Could you try again and let me know if you are still getting that error?
Regards,
Benjamin
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