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luci-mod-network: Add help text for many existing odhcpd IPv6 parameters

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and Global network options ULA.

Relocated the "DHCPv6 Mode" to below RA-Service: DHCPv6-Mode is actually
ra_management in disguise. Better grouping.

Until now, some of the IPv6 settings are mysterious. They are now
clarified. The information is accessible to IPv6 beginners.

Signed-off-by: Paul Dee <itsascambutmailmeanyway@gmail.com>
(cherry picked from commit 988c98bdc6)
This commit is contained in:
Paul Dee 2021-04-01 21:52:55 +02:00 committed by Hannu Nyman
parent 06dd6b521d
commit c649db4f23
1 changed files with 51 additions and 14 deletions
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65
modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js
View file

@ -616,25 +616,68 @@ return view.extend({
return form.Value.prototype.validate.apply(this, [ section_id, value ]);
};
ss.taboption('advanced', form.DynamicList, 'dhcp_option', _('DHCP-Options'), _('Define additional DHCP options, for example "<code>6,192.168.2.1,192.168.2.2</code>" which advertises different DNS servers to clients.'));
ss.taboption('advanced', form.DynamicList, 'dhcp_option', _('DHCP-Options'), _('Define additional DHCP options, \
for example "<code>6,192.168.2.1,192.168.2.2</code>" which advertises different DNS servers to clients.'));
for (var i = 0; i < ss.children.length; i++)
if (ss.children[i].option != 'ignore')
ss.children[i].depends('ignore', '0');
so = ss.taboption('ipv6', form.ListValue, 'ra', _('Router Advertisement-Service'));
so = ss.taboption('ipv6', form.ListValue, 'ra', _('<abbr title="Router Advertisement">RA</abbr>-Service'), _('<ul style="list-style-type:none;">\
<li><strong>server mode</strong>: Router advertises itself as the default IPv6 gateway \
via <abbr title="Router Advertisement, ICMPv6 Type 134">RA</abbr> messages \
(to <code>ff02::1</code>) and provides <abbr title="Prefix Delegation">PD</abbr> to downstream devices.</li>\
<li><strong>relay mode</strong>: Router relays <abbr title="Router Advertisement, ICMPv6 Type 134">RA</abbr> from upstream, \
and extends upstream (e.g. WAN) interface config and prefix to downstream (e.g. LAN) interfaces.</li>\
<li><strong>hybrid mode</strong>: Router does both server+relay; extends upstream config and prefix downstream, and \
uses <abbr title="Prefix Delegation">PD</abbr> locally.</li></ul>'));
so.value('', _('disabled'));
so.value('server', _('server mode'));
so.value('relay', _('relay mode'));
so.value('hybrid', _('hybrid mode'));
so = ss.taboption('ipv6', form.ListValue, 'dhcpv6', _('DHCPv6-Service'));
so = ss.taboption('ipv6', form.ListValue, 'ra_management', _('DHCPv6-Mode'), _('Default is stateless + stateful<br />\
<ul style="list-style-type:none;">\
<li><strong>stateless</strong>: Router advertises prefixes, host uses <abbr title="Stateless Address Auto Config">SLAAC</abbr> \
to self assign its own address. No DHCPv6.</li>\
<li><strong>stateless + stateful</strong>: SLAAC. In addition, router assigns an IPv6 address to a host via DHCPv6.</li>\
<li><strong>stateful-only</strong>: No SLAAC. Router assigns an IPv6 address to a host via DHCPv6.</li><ul>'));
so.value('0', _('stateless'));
so.value('1', _('stateless + stateful'));
so.value('2', _('stateful-only'));
so.depends('dhcpv6', 'server');
so.depends('dhcpv6', 'hybrid');
so.default = '1';
so = ss.taboption('ipv6', form.ListValue, 'dhcpv6', _('DHCPv6-Service'), _('<ul style="list-style-type:none;">\
<li><strong>server mode</strong>: Router assigns IPs and delegates prefixes \
(<abbr title="Prefix Delegation">PD</abbr>) to downstream interfaces.</li>\
<li><strong>relay mode</strong>: Router relays WAN interface config downstream. Helps support upstream \
links that lack <abbr title="Prefix Delegation">PD</abbr>.</li>\
<li><strong>hybrid mode</strong>: Router does combination of server+relay.</li></ul>'));
so.value('', _('disabled'));
so.value('server', _('server mode'));
so.value('relay', _('relay mode'));
so.value('hybrid', _('hybrid mode'));
so = ss.taboption('ipv6', form.ListValue, 'ndp', _('NDP-Proxy'));
so = ss.taboption('ipv6', form.ListValue, 'ndp', _('<abbr title="Neighbour Discovery Protocol">NDP</abbr>-Proxy'), _('Reverts to \
disabled internally if there are no interfaces with boolean <code>ndproxy_slave</code> set to 1. Think of \
<abbr title="Neighbour Discovery Protocol">NDP</abbr> Proxy as Proxy ARP for IPv6: unify hosts on different physical \
hardware segments into the same IP subnet. Consists of <abbr title="Neighbour Solicitation, Type 135">NS</abbr> and \
<abbr title="Neighbour Advertisement, Type 136">NA</abbr> messages. <abbr title="Neighbour Discovery Protocol">NDP</abbr>-Proxy \
listens for <abbr title="Neighbour Solicitation, Type 135">NS</abbr> on an interface marked with boolean \
<code>master</code> as 1 (i.e. upstream), then queries the slave/internal interfaces for that target IP before finally \
sending an <abbr title="Neighbour Advertisement, Type 136">NA</abbr> message. \
<abbr title="Neighbour Discovery Protocol">NDP</abbr> is effectively ARP for IPv6. \
<abbr title="Neighbour Solicitation, Type 135">NS</abbr> and <abbr title="Neighbour Advertisement, Type 136">NA</abbr> \
detect reachability and duplicate addresses on a link, themselves also a prerequisite for SLAAC autoconfig.<br />\
<ul style="list-style-type:none;">\
<li><strong>disabled</strong>: No <abbr title="Neighbour Discovery Protocol">NDP</abbr> messages are proxied through to \
<code>ndproxy_slave</code> true interfaces.</li> \
<li><strong>relay mode</strong>: Proxies <abbr title="Neighbour Discovery Protocol">NDP</abbr> messages from <code>master</code> to \
<code>ndproxy_slave</code> true interfaces. Helps to support provider links without \
<abbr title="Prefix Delegation">PD</abbr>, and to firewall proxied hosts.</li>\
<li><strong>hybrid mode</strong>: Relay mode is disabled unless the interface boolean <code>master</code> is 1.</li></ul>'));
so.value('', _('disabled'));
so.value('relay', _('relay mode'));
so.value('hybrid', _('hybrid mode'));
@ -643,15 +686,7 @@ return view.extend({
so.depends('dhcpv6', 'relay');
so.depends('dhcpv6', 'hybrid');
so = ss.taboption('ipv6', form.ListValue, 'ra_management', _('DHCPv6-Mode'), _('Default is stateless + stateful'));
so.value('0', _('stateless'));
so.value('1', _('stateless + stateful'));
so.value('2', _('stateful-only'));
so.depends('dhcpv6', 'server');
so.depends('dhcpv6', 'hybrid');
so.default = '1';
so = ss.taboption('ipv6', form.Flag, 'ra_default', _('Always announce default router'), _('Announce as default router even if no public prefix is available.'));
so = ss.taboption('ipv6', form.Flag, 'ra_default', _('Announce as default router'), _('Always, even if no public prefix is available.'));
so.depends('ra', 'server');
so.depends('ra', 'hybrid');
@ -878,7 +913,9 @@ return view.extend({
s.addremove = false;
s.anonymous = true;
o = s.option(form.Value, 'ula_prefix', _('IPv6 ULA-Prefix'));
o = s.option(form.Value, 'ula_prefix', _('IPv6 ULA-Prefix'), _('Unique Local Address - in the range <code>fc00::/7</code>. \
Typically only within the &#8216;local&#8217; half <code>fd00::/8</code>. ULA for IPv6 is analogous to IPv4 private network addressing.\
This prefix is randomly generated at first install.'));
o.datatype = 'cidr6';
o = s.option(form.Flag, 'packet_steering', _('Packet Steering'), _('Enable packet steering across all CPUs. May help or hinder network speed.'));