Yealink SIP-T5 Series Administrator's Manual page 33

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
In DHCP environment:
Menu > Advanced (default password: admin) > Network > WAN Port > IPv6 > DHCP > Static DNS
(Enabled) > Primary DNS
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > WAN Port > IPv6 >
Static IPv6 Client > Pri.DNS
In DHCP environment:
Menu > Settings > Advanced Settings (default password: admin) > Network > WAN Port > IPv6 >
DHCP IPv6 Client > Static DNS(Enabled) > Pri.DNS
Parameter static.network.ipv6_secondary_dns
It configures the secondary IPv6 DNS server for the wired network.
Description
Note: It works only if "static.network.ip_address_mode" is set to 1 (IPv6) or 2 (IPv4 & IPv6). In DHCP
environment, you also need to make sure "static.network.ipv6_static_dns_enable" is set to 1 (On).
Permitted
IPv6 Address
Values
Default Blank
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Network > Basic > IPv6 Config > Static IPv6 DNS > Secondary DNS
Web UI
Other Phones:
Network > Basic > IPv6 Config > Static IP Address > Secondary DNS
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > WAN Port > IPv6 > Static IP > Secondary
DNS
In DHCP environment:
Menu > Advanced (default password: admin) > Network > WAN Port > IPv6 > DHCP > Static DNS
(Enabled) > Secondary DNS
Phone UI
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > WAN Port > IPv6 >
Static IPv6 Client > Sec.DNS
In DHCP environment:
Menu > Settings > Advanced Settings (default password: admin) > Network > WAN Port > IPv6 >
DHCP IPv6 Client > Static DNS(Enabled) > Sec.DNS
Parameter static.network.ipv6_icmp_v6.enable
It enables or disables the phone to obtain IPv6 wired network settings via SLAAC (Stateless Address
Autoconfiguration).
Description
Note: It works only if "static.network.ipv6_internet_port.type" is set to 0 (DHCP).
Permitted 0-Disabled
1-Enabled
Values
Default 1
Supported
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T29G
Devices
Web UI
Network > Advanced > ICMPv6 Status > Active
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[1]
<y0000000000xx>.cfg
[1]
<y0000000000xx>.cfg