How to view IPv6 IP address and ping it on Linux ?

Let us have a look how to view IPv6 addresses in Linux.

For this, we can use the same “ifconfig” command.

1. Viewing IPv6 Address

[root@ngelinux ]# ifconfig -a
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet  netmask  broadcast
        inet6 fe80::4ebb:d12f:c486:4700  prefixlen 64  scopeid 0x20
        ether 08:00:27:fa:bc:09  txqueuelen 1000  (Ethernet)
        RX packets 110  bytes 9748 (9.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 283  bytes 24771 (24.1 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


2. Ping IPv6 Address
We can use “ping6” command in Terminal to ping an IPV6 address in Linux.

Command Usage Syntax: ping6 -c [Count] -I [Interface] [Destination IPv6 Address/Hostname]

Let us have a look at the command example.

[root@ngelinux ]# ping6 -c 4 -I enp0s3 fe80::4ebb:d12f:c486:4700
PING fe80::4ebb:d12f:c486:4700(fe80::4ebb:d12f:c486:4700) from fe80::4ebb:d12f:c486:4700%enp0s3 enp0s3: 56 data bytes
64 bytes from fe80::4ebb:d12f:c486:4700%enp0s3: icmp_seq=1 ttl=64 time=0.053 ms
64 bytes from fe80::4ebb:d12f:c486:4700%enp0s3: icmp_seq=2 ttl=64 time=0.058 ms
64 bytes from fe80::4ebb:d12f:c486:4700%enp0s3: icmp_seq=3 ttl=64 time=0.079 ms
64 bytes from fe80::4ebb:d12f:c486:4700%enp0s3: icmp_seq=4 ttl=64 time=0.060 ms

--- fe80::4ebb:d12f:c486:4700 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.053/0.062/0.079/0.012 ms
[root@ngelinux ]#


3. Tracing path of IPv6 address.
tracepath6 command can be used for this scenario.

[root@ngelinux ]# tracepath6 fe80::4ebb:d12f:c486:4700
 1?: [LOCALHOST]                        0.015ms pmtu 65536
 1:  ngelinux                                              0.075ms reached
 1:  ngelinux                                              0.078ms reached
     Resume: pmtu 65536 hops 1 back 1 
[root@ngelinux ]# 


If you observed, most of the IPv6 commands are same as of IPv4 commands with a suffix of “6”.

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