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VPN - Umbrella - local dns

anthoH
Level 1
Level 1

Hello,

Here is our problem:

  • Unable to resolve local names when a user connects to the Cisco Secure Client VPN. o However, we can ping all local servers, especially the DC/DNS. o We have installed the virtual appliances (Umbrella) on-site and they seem to be working correctly. o The IPs of the appliances are declared as DNS in the AnyConnect configuration on the Meraki. o No problem with resolution for PCs on-site, whether it's local names or internet names. o No problem resolving internet names from the VPN client using the Umbrella Appliances, but unable to resolve local servers.
  • Unable to resolve local names for machines on Azure (with Site to Site VPN).

In our case, we conducted 2 types of tests:

  • On our main internal domain which is declared as domaine.formatel.fr. Perhaps the formatel.fr is problematic because it also exists on the internet.
  • On one of our internal DNS zones which declares machines with a name in *.local (does not exist on the internet).

We're wondering if the problem is related to the Umbrella configuration or on the MX side.

Thanks for helping.

1 RÉPONSE 1

Are you using the Umbrella connector on the MX? Then, you can disable it for a test.