I have followed the below link for TLS1.2 support in sharpoint 2013 farm.But I am not able to upgrade SQL Server 2008 R2 Native Client.
https://docs.microsoft.com/en-us/SharePoint/security-for-sharepoint-server/enable-tls-and-ssl-support-in-sharepoint-2013
After upgration I am facing issue with user profile sync service.Please let us know how I can update SQL Server 2008 R2 Native Client for TLS1.2 support,as the link specified is suggesting hotfix doen't exist.
https://support.microsoft.com/en-us/help/3135244/tls-1-2-support-for-microsoft-sql-server
https://support.microsoft.com/en-us/help/4343220/this-hotfix-is-no-longer-available