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DevNet Sandbox Community
Welcome to the DevNet Sandbox community!
Please share and collaborate on any questions, comments, or ideas here.
If you have a technical issue, please click on the "Start a Conversation" button.
Leave details in the post, such as the name of the sandbox and details about the problem. Make sure to add a label with the type of problem you are having (such as Connectivity Issues and VPN, Sandbox Reservation Issues, Sandbox Specific Technical Issues, or Other Sandbox Issues).
If you are new to our development labs, you can develop, code & configure for free with the DevNet Sandboxes today.

Forum Posts

I have been having issues logging into the CML web interface. I logged in successfully at first, then I got logged out and can't seem to be able to log back in. I have reopened a new session several times, I have no conflicting VPNs, I am successfull...

Ruthy by Level 1
  • 478 Views
  • 2 replies
  • 0 Helpful votes

When launching a sandbox, it is saying Environment Creation Failed and: "could not complete your request because of an internal error". This error occurs for Collaboration 14, Cisco Emergency Responder, Packaged Contact Center Enterprise.We are devel...

labvidi by Level 1
  • 821 Views
  • 7 replies
  • 0 Helpful votes

Hi @All First of all, Happy new year to our community. We are really looking forward to 2025. We have experienced an issue during our annual shutdown with labs not spinning up. A few of you have let us know and we have put the site into maintenance. ...

jokearns1 by Cisco Employee
  • 551 Views
  • 1 replies
  • 1 Helpful votes

the ise in this lab doesnt communicate with the switches (default config on the switch, i didnt change anything)i open the cml and do ping fromsw1  g0/0 vrf Mgmt-vrf to catalist center 10.10.20.85 its workwhen i ping to ise 10.10.20.25 doent work and...

tikshoret by Level 1
  • 551 Views
  • 3 replies
  • 0 Helpful votes

I must me trying to download the wrong VPN client.  I have a Windows 10 Home Edition.  From Cisco email, I am told to download Cisco Secure Client 5, but from that page, I am not sure which package to download.  All the ones I attempt tell me I need ...

Acky44 by Level 1
  • 1310 Views
  • 11 replies
  • 0 Helpful votes

My CML reservation got stuck in the "Terminating" status and i'm no being able to make another reservation or force to finish the current one. The "End" button seems to be blocked cause I can´t click on it.What could be a reason for this? And how cou...

Wesling_0-1734111050742.png
Wesling by Level 1
  • 376 Views
  • 1 replies
  • 0 Helpful votes

I have tried the Working with the Firepower Management Center API Lab.When I access the FMC API - the address provided in the lab, I got an error, "Request Entity Too Large." The address at which I tried to access the FMC API is:https://fmcrestapisan...

Tried creating three different sandboxes, and in all three I was unable to log into the browser using Chrome, Firefox, and Edge. It rejects the credentials from the output window. I tried this with two different email accounts as login to the sandbox...

pete512 by Level 1
  • 1723 Views
  • 5 replies
  • 0 Helpful votes

Hi.Could we get the IOS-XE always on sandbox configured to start with a network-advantage license level ? right now the sandbox is started on the essentials levels, so we are not able to test any "advanced" commands or features like MPLS, non-stub ru...

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