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Pass the interface dictionary transparently to the DHCP module and render the
DHCP client config template directly from the same source instead of transcoding
it once more.
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This removes additional code paths as we can instatly work with the input dict
the same was as it was done for PPPoE. This fixes the entire DHCPv6-PD support
on non PPPoE interfaces as this was lost in translation while processing T2653.
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Rename the CLI nodes for prefix delegation from "dhcpv6-options delegate
<interface>" to "dhcpv6-options prefix-delegation interface <interface>".
The change is required to add the possibility to request for specific prefix
sized via the CLI. That option was not possible with the old configuration
tree.
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The following configuration will assign a /64 prefix out of a /56 delegation
to eth0. The IPv6 address assigned to eth0 will be <prefix>::ffff/64.
If you do not know the prefix size delegated to you, start with sla-len 0.
pppoe pppoe0 {
authentication {
password vyos
user vyos
}
description sadfas
dhcpv6-options {
delegate eth0 {
interface-id 65535
sla-id 0
sla-len 8
}
}
ipv6 {
address {
autoconf
}
enable
}
source-interface eth1
}
vyos@vyos:~$ show interfaces
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface IP Address S/L Description
--------- ---------- --- -----------
eth0 2001:db8:8003:400::ffff/64 u/u
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ISC does not support running the client on PPP(oE) interfaces which makes it
unusable for DHCPv6 Prefix Delegation tasks.
Internet Systems Consortium DHCP Client 4.4.1
Copyright 2004-2018 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Unsupported device type 512 for "pppoe0"
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Currently accept_ra was set to 0 if 'address dhcpv6' was set on an
interface. This is wrong, as without RA, the system will get no routes
to the DHCPv6-obtained prefix.
Since the logic for accept_ra was moved to the interface scripts,
it can be removed from the dhclient code.
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tolls intact
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The intermedite class only held the path to the configuration files - thus
its existence was doubtworthy. For better readability and a clean
inheritance graph that class has been dropped.
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Break the code between v4 and v6, remove need for getter/setter
as they are just exposing the underlying dict.
Move FixedDict from tunnel code and expose it to other part so
it can be used to prevent accidental change to the dhcp option if
no default exists already.
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In order to be able to use the interface class
with operational mode, these commands must not log as
it would otherwise mess with the output on the screen.
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