Can not ping Always On listener from outside primary node I just setup SQL Server 2012 (on Windows Server 2012) Always On feature and have a problem with connecting to SQL Server Listener from non-primary node (it works from primary node though).

Here is the scenario:

2 nodes in different subnets: 
   SQL1 10.0.2.11 (primary)
   SQL2 10.0.6.11 (secondary)
Listener:
  Name: SQLPROD1
  Port: 1433
  Subnets       IP address
  10.0.2.0/24   10.0.2.102
  10.0.6.0/24   10.0.6.102


I can connect to SQLPROD1 in SSMS on primary node (either SQL1 or SQL2) but can't connect (not even ping) SQLPROD1 from secondary or from any other client in the network. 

I checked firewall and it doesn't seem to be the cause of the problem. I can ping SQL1 or SQL2 from any client but can't ping SQLPROD1.

Beside this, everything else works in Always On. I can successfully fail-over and see databases on other node.
We had the same issues as this. Recreated the DNS entries for the two listeners and making sure "Allow any authenticated user to update DNS records with the same owner name" is checked. Believe the failover event caused issues with the listener not updating it's IP address.