Network Settings GUI

[Jandra A]

Hello all,

Here is the proposal for the Network Settings GUI:
https://ibm.invisionapp.com/share/8ENYRVXAPFD#/319115961_Physical
To navigate, click on any flashing blue rectangles or use the right and
left keyboard arrows.

The design is based on the needs found by our research with stakeholders
and users.

With the GUI, a user is able to assign a Fully Qualified Domain Name
(FQDN), and choose either DHCP or static configuration, for any selected
interface.

If DHCP is chosen, the GUI will reflect the appropriate default gateway,
DNS server, and IP address assigned by the DHCP server. If static is
selected, users manually assign the default gateway, as well as multiple
DNS servers and a single IP address (not including the one assigned by
zeroconf).

Despite the type of configuration selected (DHCP or static),
zero-configuration is always on to protect the user and ensure there is
always an IP address assigned. However, once an interface has a non
zeroconf IP address assigned, users have the flexibility to permanently
delete that address. Currently, users can only temporarily delete these
using CLI; once they reboot, the addresses come back. Permanently removing
IP addresses assigned by zero-configuration is important to customers who
need to account for every single IP address.


NOTE: The reason for limiting to a single IP address per interface is that
our research from users and stakeholders indicates that multiple would
never be used and in fact it could make it easy to make a mistake, so for
this reason we will not support it in the GUI. Additionally, there will be
no support for VLAN as it was not expected by users and added unnecessary
confusion.

Regards,
Jandra Aranguren
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