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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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WireGuard, Tunnel and also PPPoE all need a ways to calculate a synthetic MAC
address used for the EUI64 link-local addresses. Instead of copying the code
from Tunnel to WireGuard to PPPoE, use a generic implementation.
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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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In some cases, we need to wait until local address is assigned.
And only then l2tpv3 tunnel can be configured.
For example when ipv6 address is in "tentative" state
or we wait for some routing daemon/route for a remote address.
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Also renames peer pubkey to public-key for consistency
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VRF: T3655: proper connection tracking for VRFs
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Currently, all VRFs share the same connection tracking table, which can
lead to problems:
- traffic leaks to a wrong VRF
- improper NAT rules handling when multiple VRFs contain the same IP
networks
- stateful firewall rules issues
The commit implements connection tracking zones support. Each VRF
utilizes its own zone, so connections will never mix up.
It also adds some restrictions to VRF names and assigned table numbers,
because of nftables and conntrack requirements:
- VRF name should always start from a letter (interfaces that start from
numbers are not supported in nftables rules)
- table number must be in the 100-65535 range because conntrack supports
only 65535 zones
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XFRM interfaces are similar to VTI devices in their basic functionality but
offer several advantages:
* No tunnel endpoint addresses have to be configured on the interfaces.
Compared to VTIs, which are layer 3 tunnel devices with mandatory endpoints,
this resolves issues with wildcard addresses (only one VTI with wildcard
endpoints is supported), avoids a 1:1 mapping between SAs and interfaces, and
easily allows SAs with multiple peers to share the same interface.
* Because there are no endpoint addresses, IPv4 and IPv6 SAs are supported on
the same interface (VTI devices only support one address family).
* IPsec modes other than tunnel are supported (VTI devices only support
tunnel mode).
* No awkward configuration via GRE keys and XFRM marks. Instead, a new identifier
(XFRM interface ID) links policies and SAs with XFRM interfaces.
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Add implementation with XML and Python.
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It is not possible to change the VLAN encapsulation protocol "on-the-fly". For
this "quirk" we need to actively delete and re-create the VIF-S interface.
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Option specifying the rate in which we'll ask our link partner to transmit
LACPDU packets in 802.3ad mode.
set interfaces bonding bond0 lacp-rate <slow|fast>
slow: Request partner to transmit LACPDUs every 30 seconds (default)
fast: Request partner to transmit LACPDUs every 1 second
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Instead of having a dedicated ERSPAN interface type, rather move the specifics
into "interface tunnel". A migrator is not needed as there is yet no LTS release
with this feature and this is considered experimental.
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Removing a VLAN (VIF) interface from the CLI always deleted all interfaces the
kernel listed as "upper" in the /sys/class/net folder. This had the drawback
that when deleting a VIF, also the VRF interface was simply deleted - killing
all VRF related services.
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Private VLAN, also known as port isolation, is a technique in computer
networking where a VLAN contains switch ports that are restricted such that
they can only communicate with a given "uplink". The restricted ports are
called "private ports".
Each private VLAN typically contains many private ports, and a single uplink.
The uplink will typically be a port (or link aggregation group) connected to a
router, firewall, server, provider network, or similar central resource.
Q: https://en.wikipedia.org/wiki/Private_VLAN
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As we can also use the TunnelIf() class from op-mode we must ensure that read-only
access to the class works even if required configuration keys as "encapsulation"
are not passed to the class on invokation.
This fixes an isse where "show interfaces tunnel" returned:
Traceback (most recent call last):
File "/usr/libexec/vyos/op_mode/show_interfaces.py", line 313, in <module>
args.vrrp
File "/usr/libexec/vyos/op_mode/show_interfaces.py", line 48, in handled_function
function(*args, **kwargs)
File "/usr/libexec/vyos/op_mode/show_interfaces.py", line 222, in run_show_intf_brief
for interface in filtered_interfaces(ifnames, iftypes, vif, vrrp):
File "/usr/libexec/vyos/op_mode/show_interfaces.py", line 77, in filtered_interfaces
interface = klass(ifname, create=False, debug=False)
File "/usr/lib/python3/dist-packages/vyos/ifconfig/tunnel.py", line 99, in __init__
if self.iftype in ['gretap', 'ip6gretap']:
AttributeError: 'TunnelIf' object has no attribute 'iftype'
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Commit e5b335830ef ("vyos.ifconfig: T1579: remove calls to
vyos.ifconfig.Interface.get_config()") removed the PPPoEIf class as it seemed
to be unused. It turns out it is required by the op-mode commands for e.g. "show
interfaces".
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dhcp: T3300: add DHCP default route distance
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Support setting additional options to the GENEVE tunnel like:
- ttl
- tos
- do not fragment bit
- ipv6 flowlabel
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Verify proper configuration of VXLAN parameters for
- source-interface
- source-address
- remote
- vni
- group
Before it was only verified if the VXLAN tunnel interface was configured
at all but not if the parameters are correct, too.
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When a VIF/VLAN interface is placed in admin down state but the lower
interface, serving the vlan, is moved from admin down -> admin up, all its
vlan interfaces will be placed in admin up state, too.
This is bad as a VLAN interface will become admin up even if its specified as
admin down after a reboot.
To reproduce:
set interfaces ethernet eth1 vif 20 disable
set interfaces ethernet eth1 disable
commit
delete interfaces ethernet eth1 disable
commit
Now check the interface state and it returns UP,LOWER_UP
7: eth1.20@eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 00:50:56:b3:09:07 brd ff:ff:ff:ff:ff:ff
inet6 fe80::250:56ff:feb3:907/64 scope link
valid_lft forever preferred_lft forever
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Rename CLI options local-ip to source-address and remote-ip to remote to
get a consistent CLI experience for the user.
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Streamline the CLI configuration where we try to use remote on other interfaces
like vxlan, geneve.
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Streamline the CLI configuration where we try to use source-address when
creating connections which are especially sourced from a discrete address.
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The following list shows the mapping of VyOS tunnel encapsulation modes to the
corresponding Linux modes.
VyOS Linux
gre gre
gre-bridge gretap
ipip ipip
ipip6 ipip6
ip6ip6 ip6ip6
ip6gre ip6gre
sit sit
Besides gre-bridge this is pretty consistent. As bridge interfaces are also
called tap interfaces gre-bridge will be renamed to gretap to make the
post-processing much easier.
This means (in detail) that there are no more child classes of _Tunnel and
there will be now one geneirc TunnelIf class handling all sorts of encapsulation.
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Interface.get_config() was always a pure helper which exposed a "per interface
type" dictionary which was then fed by the caller to create interfaces by
iproute2 which required additional options during creation time.
Such interfaces had been:
* tunnel
* vxlan
* geneve
* macsec
* wifi
* macvlan / pseudo-ethernet
The code was always duplicated to convert from the VyOS CLI based get_config_dict()
to a dict which can be used to feed iproute2.
This path has been removed and we now always feed in the entire dictionary
retrieved by get_config_dict() or in the interfaces case, it's high-level wrapper
get_interface_dict() to the interface we wan't to create.
This also adds the - personally long awaited - possibility to get rid of the
derived tunnel classes for e.g. GRE, IPIP, IPIP6 and so on.
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package type automatic detection)
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If dhcpv6-options is configured without requesting a DHCPv6 address or PD, the
dhcpv6pd variable is assigned an empty dict.
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The raw key was not copied into the class member variable. Also added a smoketest
to ensure the configured parameters are always set.
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bridge: T3137: Let VLAN aware bridge approach the behavior of professional equipment
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