Yealink SIP-T21 E2

Setting Up Your System
93
Parameters
Permitted
Values
Default
IP) ->Default Gateway
static.network.ipv6_primary_dns
IPv6 address
Blank
Description:
Configures the primary IPv6 DNS server.
Example:
static.network.ipv6_primary_dns = 3036:1:1:c3c7: c11c:5447:23a6:256
Note: It works only if the value of the parameter "static.network.ip_address_mode" is set
to 1 (IPv6) or 2 (IPv4 & IPv6). In DHCP environment, you also need to make sure the value
of the parameter "static.network.ipv6_static_dns_enable" is set to 1 (On). If you change this
parameter, the IP phone will reboot to make the change take effect.
Web User Interface:
Network->Basic->IPv6 Config->Static IP Address->Primary DNS
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->WAN Port->IPv6->Type (Static
IP) ->Pri.DNS
Or Menu->Advanced (default password: admin) ->Network->WAN Port->IPv6->Type
(DHCP) ->Static DNS (Enabled) ->Pri.DNS
static.network.ipv6_secondary_dns
IPv6 address
Blank
Description:
Configures the secondary IPv6 DNS server.
Example:
static.network.ipv6_secondary_dns = 2026:1234:1:1:c3c7:c11c:5447:23a6
Note: It works only if the value of the parameter "static.network.ip_address_mode" is set
to 1 (IPv6) or 2 (IPv4 & IPv6). In DHCP environment, you also need to make sure the value
of the parameter "static.network.ipv6_static_dns_enable" is set to 1 (On). If you change this
parameter, the IP phone will reboot to make the change take effect.
Web User Interface:
Network->Basic->IPv6 Config->Static IP Address->Secondary DNS
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->WAN Port->IPv6->Type (Static
IP) ->Sec.DNS
Or Menu->Advanced (default password: admin) ->Network->WAN Port->IPv6->Type
(DHCP) ->Static DNS(Enabled) ->Sec.DNS