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This fixes the implementation in e062a8c11 ("pppoe: T5630: allow to specify MRU
in addition to already configurable MTU") and restores the bahavior that MRU
defaults to MTU if MRU is not explicitly set.
This was the behavior in VyOS 1.3.3 and below before we added ability to define
the MRU value.
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Set the MRU (Maximum Receive Unit) value to n. PPPd will ask the peer to send
packets of no more than n bytes. The value of n must be between 128 and 16384,
the default was always 1492 to match PPPoE MTU.
A value of 296 works well on very slow links (40 bytes for TCP/IP header + 256
bytes of data). Note that for the IPv6 protocol, the MRU must be at least 1280.
CLI:
set interfaces pppoe pppoe0 mru 1280
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Some ISPs seem to use the host-uniq flag to authenticate client equipment.
Add CLI option in VyOS to allow specification of the host-uniq flag.
set interfaces pppoe pppoeN host-uniq <value>
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No need to have two distinct include blocks as one superseeds the other. Also
this makes the entire behavior of "description" CLI node simpler.
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<name> interface <ifname>`
* Include refactor to policy route to allow for deletion of mangle table instead of complex cleanup
* T4605: Rename mangle table to vyos_mangle
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firewall node
* Refactor firewall and zone-policy rule creation and cleanup
* Migrate interface firewall values to `firewall interfaces <name> <direction> name/ipv6-name <name>`
* Remove `firewall-interface.py` conf script
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present for DHCP
VyOS 1.4 still leverages PPPd internals on the CLI.
pppd supports three options for a default route, none, auto, force.
* none: No default route is installed on interface up
* auto: Default route is only installed if there is yet no default route
* force: overwrite any default route
There are several drawbacks in this design for VyOS and the users. If auto is
specified, this only counted for static default routes - but what about dynamic
ones? Same for force, only a static default route got replaced but dynamic ones
did not got taken into account.
The CLI is changed and we now re-use already existing nodes from the DHCP
interface configuration:
* no-default-route:
On link up no default route is installed, same as the previous
default-route none
* default-route-distance:
We can now specify the distance of this route for the routing table on the
system. This defaults to 210 as we have for DHCP interfaces. All this will be
migrated using a CLI migration script.
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"set traffic-policy" now becomes "set qos policy"
"set interface ethernet eth0 traffic-policy" now bvecomes "set qos interface eth0"
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Since introducing the XML <defaultValue> node it was common, but redundant,
practice to also add a help string indicating which value would be used as
default if the node is unset.
This makes no sense b/c it's duplicated code/value/characters and prone to
error. The node.def scripts should be extended to automatically render the
appropriate default value into the CLI help string.
For e.g. SSH the current PoC renders:
$ cat templates-cfg/service/ssh/port/node.def
multi:
type: txt
help: Port for SSH service (default: 22)
val_help: u32:1-65535; Numeric IP port
...
Not all subsystems are already migrated to get_config_dict() and make use of
the defaults() call - those subsystems need to be migrated, first before the new
default is added to the CLI help.
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interfaces
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level
Getting rid of "set firewall options" and move it from:
set firewall options interface ethX adjust-mss 1400
set firewall options interface ethX adjust-mss6 1400
to:
set interfaces ethernet ethX ip adjust-mss 1400
set interfaces ethernet ethX ipv6 adjust-mss 1400
In addition add an extra option called clamp-mss-to-pmtu instead of a value.
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Some APNs require a username/password. Add CLI nodes (matching the PPPoE
syntax) for client authentication.
One APN would be the IPv4/IPv6 APN from Deutsche Telekom (Germany)
APN Name: Telekom Internet IPv6
APN: internet.v6.telekom
Benutzername: telekom
Passwort: tm
(cherry picked from commit c667a45a8fb06cb76c907348c4f1e3ec708b6e03)
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As the amount of include files now has reached a certain amount, it is getting
more and more crowsded, thuse introducing "per topic" subdirectories on the
filesystem to keep a clean structure makes sense.
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IPv6 enable can be considered once the ipv6 node is present!
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Switch to common source file for "ipv6 address autoconf"
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vyatta-cfg-quagga
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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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Add support for prefix delegation when receiving the prefix via ethernet,
bridge, bond, wireless.
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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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Instead of letting the user choose between auto and none where auto is default,
it makes more sesne to just offer an option to disable the default behavior.
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vyos@vyos# show interfaces pppoe
pppoe pppoe0 {
default-route force
link eth2.7
mtu 400
name-server auto
password 12345678
user-id vyos@vyos.io
}
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