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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

Hello,When I am trying to launch a sandbox, I receive:400 Bad RequestRequest Header Or Cookie Too Large https://devnetsandbox.cisco.com/DevNet/catalog/aci-simulator-sandbox Please share similar experiences/fixes to address this issue. Thanks, 

Netmart by Level 3
  • 436 Views
  • 1 replies
  • 0 Helpful votes

The standard sandbox domain for the DNA Center is sandboxdnac.cisco.com and though it shows the home page, authentication kind of loops back. Noticed in the details (quick start) that there is a new sandboxdnac2.cisco.com, and it works, but the activ...

cgm by Level 1
  • 832 Views
  • 6 replies
  • 0 Helpful votes

Hello, We were doing some SSH/NETCONF/RESTCONF testing "IOS XE on Cat8kv AlwaysOn" (devnetsandboxiosxe.cisco.com) and it's not working. We're unable to connect via SSH on port 22 and got this error: kex_exchange_identification: read: Connection reset...

riduque by Cisco Employee
  • 909 Views
  • 7 replies
  • 0 Helpful votes

Hi,I've successfully set up the Identity Services Engine sandbox and attempted to connect to the VPN.Once I've downloaded Cisco AnyConnect and tried to establish a connection, it fails with the following error: "VPN establishment capability for a rem...

tall27 by Level 1
  • 1577 Views
  • 8 replies
  • 0 Helpful votes