There are different ways to configure an IPv6 address on an interface. You can use use "ifconfig" or "ip".

Adding a Public IPv6 Address to a Linux Server (CentOS 7) You wrote down the main IPv4 address. You have assigned an additional IPv6 address to the server. You have logged in to the server as an administrator. How to Add IPv6 Addresses on CentOS | Colo-Serv Tutorials May 08, 2017 Guide to IPv6 - How to Get Started With IPv6 - Version 68

Configuring IPv6 Fixed Addresses - Confluence

Jan 20, 2018

The MAC address of the Ethernet Fa0/1 interface is 0260.3d47.1720. Using the show ipv6 interface fa0/1 command, the MAC address is displayed as part of the IPv6 address with the Hex characters FFFE (16 bits) added in the middle, which expands the 48-bit MAC address to create the IPv6 64-bit link-local address. R1# show ipv6 interface fa0/1

Mar 05, 2020 Jan 20, 2018 · The following commands were introduced or modified: ip address, ip domain list, ip domain-lookup ip domain name, ip name-server, ipv6 address, ipv6 address anycast, ipv6 address eui-64, ipv6 address link-local, ipv6 enable, ipv6 host, ipv6 unicast-routing. IPv6 Data Link: VLANs using Cisco Inter-Switch Link . 12.2(2)T . 12.2(18)SXE . 12.2(25)SEA Add an IPv6 address. Adding an IPv6 address is similar to the mechanism of "IP ALIAS" addresses in Linux IPv4 addressed interfaces. 2.1. Using "ip" Usage: This article shows you how to add IPv6 addresses to an application that is using IPv4 public IP address in an Azure virtual network for a Standard Load Balancer using Azure CLI. The in-place upgrade includes a virtual network and subnet, a Standard Load Balancer with IPv4 + IPV6 frontend configurations, VMs with NICs that have a IPv4 + IPv6 Underneath the public IPv6 interface, add an additional section that includes the new address you are adding and a netmask specification: iface eth0 inet6 static address new_ipv6_address/64 Add an additional iface eth0 inet6 static section for each new IPv6 address in the addressable range that you want to use.