D-Link DSL-2745 - Ping6

118D-Link DSL-2745 Wireless N300 ADSL2+ Modem Router User Manual
Section 4 - Conguration
Ping6
The Ping6 section enables you to run an IPv6 connectivity test.
Click Ping and wait for the results.
HOST
Target Address: Enter an IPv6 address.
Interface: Select the interface to run the ping6 test on.