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Value Type


Default Value

This testvar’s default value is computed dynamically and may not always be the value below. Please see the testvar’s description for details.



This parameter specifies the IPv6 address of the primary DNS server created by CDRouter.

If not defined in a WAN interface group, this testvar’s default is computed using the WAN interface group number. For example, if ipv6WanDnsServer is 3001:51a:cafe::2 in the main testvar group, then ipv6WanDnsServer would default to 3001:51a:cafe:2::2 in the testvar group wan2, 3001:51a:cafe:3::2 in the testvar group wan3, etc..

Note: If this testvar is set to “::” CDRouter will not create a primary DNS server. If all the IPv6 WAN DNS servers are set to “::” CDRouter’s DHCPv6 server will exclude the DNS option in all responses.