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dhcpv6: T2961: support stateless dhcpv6 clients
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This commit adds support for configuring the DHCPv6 server to serve
"stateless" DHCPv6 clients (those that send an information-request
message and do not request an address).
The change introduces a `common-options` node at the
`shared-network-name` level, which allows specifying options
applicable to clients regardless of subnet assigned (or in the case of
stateless clients, when no subnet is assigned). Parameters specified
at the subnet level take precedence over those set at the
shared-network level.
Presently, only parameters that are meaningful to stateless clients
have been exposed under `common-options`, as there is no precedent of
exposing parameters at multiple levels under the current DHCPv4 or
DHCPv6 configuration syntax. If desired, additional parameters could
certainly be added with relative ease.
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Required to get a common CLI for all services provided by Accel-PPP. Once the
CLI for each service is consitent - Jinja2 templates can be reused together
with get_config_dict().
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* move "network-settings gateway-address" to "gateway-address"
* move "network-settings client-ip-settings" to "client-ip-pool"
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Preparation before using get_config_dict() and common Jinja2 templates.
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In order to reuse as much as possible before migrationg to get_config_dict()
and re-use Jinja2 snippets the name-server node must be moved one level up to
'set vpn sstp name-server'.
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Commit ba050937 ("accel-ppp: T2953: drop redundant CLI definitions ") dropped
the defaultValue of 'prefer' for MPPE making the smoketests fail. This has been
corrected.
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For easier configuration read in (CLI) validation and also template rendering
it makes sense to drop the old, single implementation and move to the new,
generic get_config_dict() approach.
Recurring configuration parts like ip-pool, ipv6-pool and nameservers have
also been split our into individual templates which will be included through
Jinja2 - leading to a single-source of the template sections, too.
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accel-ppp: T2918: Add accounting interim jitter option
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Files which are included by others whouls have the ".xml.i" extension.
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Base MTU for MACsec is 1468 bytes (encryption headers), but we leave room for
802.1ad and 802.1q VLAN tags, thus the limit is lowered to 1460 bytes to not
make the user juggle with the MTU bytes if he enables VLAN support later on,
which is yet to come.
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Both PPPoE and WWAN interfaces are dialer interfaces handled by ppp, but use
different CLI nodes for the same functionality. PPPoE has "connect-on-demand"
to initiate an "on-demand" dialing and WWAN uses "ondemand" for this purpose.
Rename WWAN "ondemand" node to "connect-on-demand".
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In the past we had to provide the ethertype value used for the VLAN
protocol (0x88A8 -> 802.1ad or 0x8100 -> 802.1q).
This should be changed to a more user friendly CLI node (protocol over
ethertype) and 802.1ad over it's raw value 0x88A8. There is no need in
presenting RAW information from the ethernet header to the user. Also iproute2
calls it protocol which makes way more sense over the "raw" value.
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ethernet: T2891: Add ethernet ring-buffer CLI commands
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VyOS 1.2 confirmed it was a regular node - copy/paste error.
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Specifies the minimum number of links that must be active before asserting
carrier. It is similar to the Cisco EtherChannel min-links feature. This allows
setting the minimum number of member ports that must be up (link-up state)
before marking the bond device as up (carrier on). This is useful for situations
where higher level services such as clustering want to ensure a minimum number
of low bandwidth links are active before switchover.
This option only affects 802.3ad mode.
The default value is 0. This will cause carrier to be asserted (for 802.3ad
mode) whenever there is an active aggregator, regardless of the number of
available links in that aggregator. Note that, because an aggregator cannot be
active without at least one available link, setting this option to 0 or to 1
has the exact same effect.
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PPPoE server supports setting the MPPE preferences, it is implemented as node
with leafNodes for require, prefer and deny. This will render a wrong AccelPPP
configuration as it will be "None" if specified.
pppoe-server {
ppp-options {
mppe {
deny
require
}
}
}
instead it must be:
pppoe-server {
ppp-options {
mppe require
}
}
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When rapid-commit is specified, dhcp6c will include a rapid-commit option in
solicit messages and wait for an immediate reply instead of advertisements.
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The current CLI did not support multiple prefix-delegations per interface. Some
ISPs only send one /64 to a client per prefix-delegation request, but they
allow the customer to request multiple prefixes.
The 'dhcpv6-options prefix-delegation' node has been renamed and converted to a
tag node named 'dhcpv6-options pd'. The tag node specifies a PD request (>=0).
In the past the user needed to know what prefix will be assigned and required
to calculate the sla-len by himself. The 'sla-len' node was dropped and is now
calculated in the background from the 'dhcpv6-options pd 0 length' node.
It is no longer mandatory to supply the 'sla-id' node, if sla-id is not
specified it is 'guessed' by counting upwards.
Example configuration:
----------------------
ethernet eth1 {
address dhcpv6
dhcpv6-options {
pd 0 {
length 56
interface eth2 {
address 1
}
}
}
}
This will request a /56 assignment from the ISP and will delegate a /64 network
to interface eth2. VyOS will use the interface address ::1 on the delegate
interface (eth2) as its local address.
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nat: T2764: increase maximum rule number to 999999
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* set system lcd device <device>
* set system lcd model <modeml>
Both device and model have completion helpers for supported interfaces and LCD
displays.
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t2564-lcd
* 'system-display' of https://github.com/fmertz/vyos-1x:
system display: T2564: Added test model
system display: T2564: Dictionary code update
system display: T2564: Conf files to /run
system display: T2564: Changed "duration" to "time"
system display: T2564: py code cleanup
system display: T2564: Replace "config (enabled|disabled)" with "display disabled"
system display: T2564: Lowercase model names
system display: T2564 Extend VyOS to support appliance LCDs
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When running SSH from the VyOS system the source IP address can be set by:
set system options ssh-client source-address x.x.x.x
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