[root@localhost ~]# ip r get 2600::
2600:: from :: via fe80:: dev e0.vlan13 src 2a00:f480:8:d:215:17ff:fe70:7e00 metric 2 pref medium
[root@localhost ~]# ping -c1 2600::
PING 2600::(2600::) 56 data bytes
64 bytes from 2600::: icmp_seq=1 ttl=45 time=157 ms

--- 2600:: ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 157.162/157.162/157.162/0.000 ms
[root@localhost ~]# grep nameserver /etc/resolv.conf
nameserver 10.3.0.1
[root@localhost ~]# ip -4 r get 10.3.0.1
10.3.0.1 via 10.250.0.10 dev e0.vlan13 src 10.250.0.54 uid 0 
    cache 
[root@localhost ~]# ping -c1 10.3.0.1
PING 10.3.0.1 (10.3.0.1) 56(84) bytes of data.
64 bytes from 10.3.0.1: icmp_seq=1 ttl=64 time=0.109 ms

--- 10.3.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.109/0.109/0.109/0.000 ms
[root@localhost ~]# ping -6c1 youtube.com.
ping: youtube.com.: Name or service not known