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SSL VPN with IPv6 Transport

llexuss
Level 1
Level 1

I tried to connect to my asa's outside address via IPv6 AAAA records  using using SSL client  from a dual stacked network using the 2.4.1012 release for windows 64 bit platform.  I have 'A' records with the same name pointing to the v4 address of this same interface. The ASA's log shows the connection attempt being denied over v6 transport.  If I remove the AAAA records from the dns record that points to my ASA it works.  Why is this?

2 Replies 2

Service Spring
Level 1
Level 1

Which ASA version?

I saw something before about AnyConnect not supporting IPv6

Marcin Latosiewicz
Cisco Employee
Cisco Employee

Currently Anyconnect will not connect to ASA over IPv6. You can however use IPv6 address inside the tunnel.