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About IPv4-IPv6-based network support on the Velocity physical appliance

Velocity Help

The Veritas Velocity Appliance is supported on a dual stack IPv4-IPv6 network and can communicate with IPv6 clients. You can assign an IPv6 address to an appliance, configure DNS, and configure routing to include IPv6 based systems.

Consider the following points for IPv6 addresses:

  • The Velocity Appliance does not support a pure IPv6 network. An IPv4 address must be configured for the appliance, otherwise the initial configuration (which requires the command hostname set) is not successful. For this command to work, at least one IPv4 address is required.

    For example, suppose that you want to set the hostname of the appliance to v46. To do that, first make sure that the appliance has at least one IPv4 address and then run the following command:

    Main_Menu > Network > Hostname set v46

  • Only global addresses can be used, not addresses with link-local or node-local scope. Global-scope and unique-local addresses are both treated as global addresses by the host.

    Global-scope IP addresses refer to the addresses that are globally routable. Unique-local addresses are treated as global.

  • You cannot use both an IPv4 and an IPv6 address in the same command. For example, you cannot use Configure 9ffe::9 255.255.255.0 1.1.1.1. You should use Configure 9ffe::46 64 9ffe::49.

  • Embedding the IPv4 address within an IPv6 address is not supported. For example, you cannot use an address like 9ffe::10.23.1.5.

  • You can enter only one IPv4 address for a network interface card (NIC) or bond. However, you can enter multiple IPv6 addresses for a NIC or bond.

  • Network File System (NFS) or Common Internet File System (CIFS) protocols are supported over an IPv4 network on the appliance. NFS or CIFS are not supported on IPv6 networks.

  • The Main_Menu > Network > Hosts command supports multiple IPv6 addresses to be assigned to the same host name having one network interface card (NIC). However, only one IPv4 address can be assigned to a specific host name having one NIC using this command.

  • You can add an IPv6 address of a network interface without specifying a gateway address.