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CISCO ASA 5505 Split Tunnel DNS with Site to Site VPN

I have a working configuration for Site to Site VPN between our head office and a private AWS VPC instance.

The tunnel is active and I can ping the IP address of the remote network and connect to the remote machines using the IP address, but we need to use the FQDN and not the IP.  We have a DNS server set up in AWS for any DNS queries for the remote domain name.


My question is whether or not the ASA 5505 supports a DNS split tunnel for Site to Site VPN and how it can be configured.

I can not find where I can interogate the DNS query to be redirected to the VPN tunnel when our domain name is used in a DNS query.  Thus, any pings I try with the FQDN of our servers in AWS are failing as they are going to the default DNS, which is the internet.

Can any one point me in the right direction on how to configure this DNS rewrite so that we can access our AWS private cloud using FQDN from our AWS domain rather than an IP address?






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