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vyos@vyos# show service dhcp-server
shared-network-name LAN {
subnet 10.0.0.0/24 {
default-router 10.0.0.1
dns-server 194.145.150.1
lease 88
range 0 {
start 10.0.0.100
stop 10.0.0.200
}
static-route 192.168.10.0/24 {
next-hop 10.0.0.2
}
static-route 192.168.20.0/24 {
router 10.0.0.2
}
}
}
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We have "set system name-server <ipv4|ipv6>" to specify a name-server IP
address we wan't to use. We also have "set system name-servers-dhcp <interface>"
which does the same, but the name-server in question is retrieved via DHCP.
Both CLI nodes are combined under "set system name-server <ipv4|ipv6|interface>"
to keep things as they are in real life - we need a name-server.
(cherry picked from commit 2ecf7a9f9cbe9359457bd23b4a0c45f3763123c7)
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VyOS 1.3 equuleus now uses version 21 so we have to bump this by one.
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It makes no sense to have a parser for the ethtool values in ethtool.py
and ethernet.py - one instance ios more then enough!
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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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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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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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default behavior
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Rename quagga migration scripts for correct sequences
between 1.3 and 1.4 branches
7-to-8 in 1.3 uses the same migration as 8-to-9 in 1.4
This PR fix it
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The migrator from 20-to-21 is required as 19-to-20 on VyOS 1.3 - thus simply
rename/reorder the two migrators to not break things the hard way when
upgrading from 1.3 -> 1.4.
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Update/refresh of DNS records is now handled internally by Strongswan.
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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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update to use PKI.
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Previously during migration if one had used interface routes, the VRF based
ones got not migrated.
The following "old" VyOS 1.3 configuration did not get migrated:
set protocols static interface-route 10.20.0.0/24 next-hop-interface eth2 next-hop-vrf 'blue'
set protocols static interface-route 10.30.0.0/24 next-hop-interface br10 next-hop-vrf 'red'
set protocols vrf blue static interface-route 10.0.0.0/24 next-hop-interface eth1 next-hop-vrf 'default'
set protocols vrf red static interface-route 10.0.0.0/24 next-hop-interface eth1 next-hop-vrf 'default'
set vrf name blue table '3000'
set vrf name mgmt table '1000'
set vrf name red table '2000'
It must get migrated to:
set protocols static route 10.20.0.0/24 interface eth2 vrf 'blue'
set protocols static route 10.30.0.0/24 interface br10 vrf 'red'
set vrf name blue protocols static route 10.0.0.0/24 interface eth1 vrf 'default'
set vrf name blue table '3000'
set vrf name mgmt table '1000'
set vrf name red protocols static route 10.0.0.0/24 interface eth1 vrf 'default'
set vrf name red table '2000'
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Renamed CLI from "logging log-modes" to "log subsystem" and "logging log-level"
to "log level". THat is more human firendly.
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migrate "set extcommunity-rt" and "set extcommunity-soo" to "set extcommunity
rt|soo" to match FRR syntax. This also makes it easier to implement the
"bandwidth" extended community.
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As the new WWAN interface style is backported to VyOS 1.3 we also need to shift
the order of the interface migration scripts. so the same order from VyOS 1.4
also applies to VyOS 1.3.
In short, 21-to-22 is renamed to 18-to-19 and all other migrators are shifted
up one version.
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A VTI interface also requires an IPSec configuration - VyOS 1.2 supported
having a VTI interface in the CLI but no IPSec configuration - drop VTI
configuration if this is the case for VyOS 1.4.
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- set vpn ipsec nat-traversal
- set vpn ipsec nat-networks allowed-network
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Commit c17f259d ("router-advert: T3561: add support for specific routes") used
tabs over spaces in the Migration script which triggered a TabError (inconsistent
use of tabs and spaces in indentation").
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Co-authored-by: Mark Royds <mark.royds@vitaminit.co.uk>
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migrate from old vyatta-cfg-system / Perl implementation.
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Every time when set configuration bgp, you need set AS number. There is very
less benefit in this system so the AS number is moved from a tagNode level down
to a leafNode with the name "local-as", same as on the neighbor or peer-group
level.
This changes the CLI configuration from:
set protocols bgp 100 neighbor 10.10.1.2 remote-as 200
to
set protocols bgp local-as 100
set protocols bgp neighbor 10.10.1.2 remote-as 200
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As we and FRR do not support multiple FRR process instances, there is no need
to make this configurable for a user. We rather rely on a solid default "VyOS".
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As there can only be one running IS-IS process (FRR limitation) there is no need
in having a tagNode here. This adds artifical restrictions/limitations when
moving on to support VRFs for IS-IS protocol.
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Instead of having the dynamic routing protocols OSPF and BGP residing under
the "protocols vrf <name> [ospf|bgp]" nodes, rather move them directly under
the "vrf name <name> protocols [ospf|bgp]" node. Now all VRF related parts
are placed under the same root node.
This eases the verify steps tremendously, as we do not need to check wheter a
VRF eists or not, it will always exist as we operate under a child node.
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