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Only update the RX/TX ring-buffer settings if they are different from the ones
currently programmed to the hardware. There is no need to write the same value
to the hardware again - this could cause traffic disruption on some NICs.
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Not all interface drivers have the ability to change the speed and duplex
settings. Known drivers with this limitation are vmxnet3, virtio_net and
xen_netfront. If this driver is detected, an error will be presented to the
user.
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SSH keys used for remote login are supplied as base64 encoded data on the CLI.
The key is not validated, thus an invalid copy/pasted key will render the login
useless. This commit adds a custom and re-usable validator which check if the
data is properly base64 encoded.
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Ethernet adapters have a discrete set of available speed and duplex settings.
Instead of passing every value down to ethtool and let it decide, we can do
this early in the VyOS verify() function for ethernet interfaces.
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tunnel: T3786: Add checks for source any and not key
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Deprecated in the Linux Kernel by commit 08a00fea6de277df12ccfadc21 ("net:
Remove references to NETIF_F_UFO from ethtool.").
(cherry picked from commit f5e46ee6cc2b6c1c1869e26beca4ccd5bf52b62f)
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An analysis of the code base from VyOS 1.2 -> 1.3 -> 1.4 revealed the following
"root-cause"
VyOS 1.2 uses the "old" node.def file format for:
* Generic Segmentation Offloading
* Generic Receive Offloading
So if any of the above settings is available on the configuration CLI, the
node.def file will be executed - this is how it works.
By default, this CLI option is not enabled in VyOS 1.2 - but the Linux Kernel
enables offloading "under the hood" by default for GRO, GSO... which will boost
the performance for users magically.
With the rewrite in VyOS 1.3 of all the interface related code T1579, and
especially T1637 this was moved to a new approach. There is now only one handler
script which is called whenever a user changes something under the interfaces
ethernet tree. The Full CLI configuration is assembled by get_interface_dict() -
a wrapper for get_config_dict() which abstracts and works for all of our
interface types - single source design.
The problem now comes into play when the gathered configuration is actually
written to the hardware, as there is no GSO, GRO or foo-offloading setting
defined - we behave as instructed and disable the offloading.
So the real bug originates from VyOS 1.2 and the old Vyatta codebase, but the
recent XML Python rewrites brought that one up to light.
Solution:
A configuration migration script will be provided starting with VyOS 1.3 which
will read in the CLI configuration of the ethernet interfaces and if not
enabled, will query the adapter if offloading is supported at all, and if so,
will enable the CLI nodes.
One might say that this will "blow" the CLI configuration but it only represents
the truth - which was masked in VyOS 1.2.
(cherry picked from commit a515212f4efb08846df04405f31a828edcd63552)
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VyOS 1.4 already had a migrator for interfaces 20 -> 21, but this is a different
one compared to the one in VyOS 1.3 - thus we bump every migration scripts
version by one to have the same 20-to-21 converter in both VyOS 1.3 and 1.4.
This is possible as VyOS 1.4 (sagitta) is still a highly experimental version
and expected to break from time to time :(.
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Check a port availability only if it was changed in current commit.
This should protect from fail-positive errors when other parameters
change for an interface.
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The commit fixes the problem, when port availability check is
triggered even if a port for WireGuard interface is not defined
(randomized port, default behavior).
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Add new CLI command:
* "set protocols ospf redistribute table <n>"
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Mandatory FRR options for spf-delay-ietf did not get rendered in the Jinja2
template.
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wireguard: T3763: Added check for listening port availability
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`print` was removed or replaced to `ValueError`, where possible.
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Extended CLI command: "set vpn ipsec remote-access connection rw pool" with a
"radius" option.
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(cherry picked from commit b4b2c91127289c7b62afb24304054d57357a48c5)
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Each wireguard interface requires a unique port for in and out
connections. This commit adds the new `vyos.util` function -
`check_port_availability`, and uses it to be sure that a port
that is planned to be used for wireguard interface is truly
available and not used by any other services (not only other
wireguard interfaces).
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T3773: delete the original "show system integrity" command
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The "l2vpn evpn" address-family route-target command only accepts a single
route-target value consisting of (A.B.C.D:MN|EF:OPQR|GHJK:MN). The
"ipv4-unicast or ipv6-unicast" address-family route-target command for VPNs
support multiple, whitespace separated route-target values.
This commit adds a new custom validator named "bgp-route-target" with a --single
and a --multi option to pass one or more route-target values.
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... as we will get another bgp route-target validator soon.
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After commit 209ce3d9 ("container: T3769: when container networks are used,
always bridge the networks") IP masquerading (NAT) was disabled. No need to
keep the haipin flag.
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As VyOS is a network operation system with bridging and NATing available from
the VyOS CLI, it makes no sense to let podman do it's own sort of "NAT".
If one really want's to NAT into a container, use the VyOS CLI to do so. If you
wan't to bridge your networks, use the VyOS CLI to do so.
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Volumes must have both a source and destination path specified. Also the
source path must exist on the current system.
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A call to .items() was missing that triggered the following error:
ValueError: too many values to unpack (expected 2)
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As VyOS CLI is the only truth for dealing with containers we do not need to
query if a container is running, exists or what so ever. We simply always
restart it if something changes and do not rely on the underlaying Linux
status.
If a users does container stuff under the hood - it will be overridden.
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A container is limited to 256MB memory by default and will always restart on
failure.
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A environment variable MUST always have a value specified. Non existing
values will cause the following error:
Traceback (most recent call last):
File "/usr/libexec/vyos/conf_mode/containers.py", line 269, in <module>
apply(c)
File "/usr/libexec/vyos/conf_mode/containers.py", line 224, in apply
env_opt += " -e ".join(f"{k}={v['value']}" for k, v in container_config['environment'].items())
File "/usr/libexec/vyos/conf_mode/containers.py", line 224, in <genexpr>
env_opt += " -e ".join(f"{k}={v['value']}" for k, v in container_config['environment'].items())
KeyError: 'value'
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Now that MSS clamping is done on the "per-interface" level the entire PPPoE
stuff would have needed to get a full copy in GNU BASH for this or, participate
in the common library.
Add a new PPP ip-up script named 99-vyos-pppoe-callback which will call the
vyos.ifconfig.PPPoEIf.update() function to configure everything as done with
all other interfaces. This removes duplicated code for VRF assignment and route
installation when a PPPoE interface is brought up or down.
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WWAN does no londer need to render any configuration files.
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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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This adds the following new commands:
set protocols bgp address-family ipv4-unicast route-map vpn export foo-map-out
set protocols bgp address-family ipv4-unicast route-map vpn import foo-map-in
set protocols bgp address-family ipv6-unicast route-map vpn export foo-map-out
set protocols bgp address-family ipv6-unicast route-map vpn import foo-map-in
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