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CUCM Sandbox or Cloud Deployment Options for Testing

Hi Cisco Team,I’m looking for a CUCM sandbox/lab environment for testing and development purposes.Could you please let me know if any CUCM sandbox or alternative testing environment is currently available?Also, is it possible to set up CUCM in a clou...

Cisco Modeling Labs: NX-OS 9000 Node Not fully booting

So I am trying to use Cisco Modeling Labs Sandbox to work on testing ACLs IOS-XE and NX-OS. When trying to use the NX-OS 9000 node will not fully boot. It shows CPU usage, practically no Memory usage, and no reading or writing stats. Unable to con...

Cisco ACI Always On Sandbox down

Hi,The ACI Always on Sandbox is unreachable again. If it could be looked at that would be really appreciated.Thanks,Cap

GitHub, Google & Webex login on developer.cisco.com retiring Aug 31

Quick heads up for anyone with a developer.cisco.com account: GitHub, Google, and Webex login are retiring on August 31, 2026. Going forward you'll need to sign in with Cisco SSO (this includes access to the DevNet sandboxes). If you use the same ema...

Resolved! ACI Simulator Always-On - unreachable

Hi,ACI Simulator Always-On is not reachable, appreciate if you could look into it, thank you. https://sandboxapicdc.cisco.comIt worked fine for past week. Issues started on Sunday, August 2.

Resolved! Cisco Catalyst Center Always On - login failed

I'm getting an authentication failure when trying to login to https://sandboxdnac.cisco.com/What's wrong I am doing?Username: devnetuserPassword: Cisco123!

When will Catalyst Center 3.1 sandbox be available?

Hello,My customer has a lot of automation that relies on the Northbound APIs of Catalyst Center. They want to upgrade their production clouster to version 3.1 but can't do that until they test the new API set.When will a 3.1.5 or 3.1.6 sandbox be ava...

Nexus 9000 always on Sandbox

I use this sanbox in few days ago , but now I can't find it . where is that ?

Resolved! ACI APIC Simulator Always-on - Freezes and become inaccessible

Hi Everyone, I was working with the APIC sandbox yesterday, and everything was running fine. However, it suddenly froze, and when I tried to access it again, it was completely inaccessible. I have tried all possible browser-related workarounds, but t...

ACI Simulator 6.0 Reservation - Failed

Hi,I am trying to launch a ACI Simulator 6.0 reserved instance. I have tried a few times now but always get the same error.It is failing with the following messageTorque was not able to complete launching your environment.For more details, contact yo...

Cannot access CML using VPN

After getting the access information from CML, I tired using cisco VPN to access the CML lab. But cannot. the error shows time out.

Cisco ACI Always Sanbox Offline or Unresponsive

Hi,The ACI always on Sandbox has gone offline again.Can I also ask about the reserveable ACI sandboxes as they appear to have offline for a while now. Are they undergoing maintenance or is there also an issue with them?Thanks,Cap

Always on APIC sandbox is unreachable

Reserved an access to ACI Simulator Always-On sandbox but its host status is unreachable.

Resolved! ACI Simulator Always-On host unreachable

Hi everyone,It seems that the ACI Always-On Sandbox is currently down or undergoing issues.When checking the sandbox status page, the introspection data shows:Status: host unreachableI am also trying to reach the APIC via API/HTTPS, but the connectio...

Resolved! Devnet Sandbox Issue

When I click on “Launch Sandbox,” an error message is displayed. 400 Bad RequestRequest Header Or Cookie Too Large