Configures IPv6 access-group for the Overlay Gateway.
<overlay-gateway xmlns="urn:brocade.com:mgmt:brocade-tunnels"> <name>og1</name> <access-lists> <ipv6> <in> <ipv6-acl-in-name>acl12</ipv6-acl-in-name> <ipv6-acl-in-dir></ipv6-acl-in-dir> </in> </ipv6> </access-lists> </overlay-gateway>