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Changes:
1. Change option space from 'ubnt' to 'vendor-encapsulated-options-space'.
2. Change option name from 'unifi-controller' to 'ubnt'.
3. Add 'vendor-encapsulated-options' option (in addition to adding unifi
controller IP address under the option name 'ubnt') if unifi-controller
is configured.
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- Kea docs state multi-threaded mode is required for ping checking.
- Parent scope needs enabling if shared-network/subnet has ping-check enabled.
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* dhcp-server: T3936: Added support for DHCP Option 82
This commit adds support in both the CLI and the underlying code for
DHCP Option 82 to be used to filter/route DHCP address assignments.
The primary use case for this is to support enterprise switches which
can "tag" DHCP requests with physical real world informaiton such as
which switch first saw the request and which port it originated from
(known in this context as remote-id and circuit-id). Once
client-classes have been defined they can be assigned to subnets or
ranges so that only certain addresses get assigned to specific
requests.
There is also a corresponding documentation update which pairs with
this code change.
(cherry picked from commit 326b5e713cb363a2b9f69e2204c4ee2ccd9939bb)
* Update src/conf_mode/service_dhcp-server.py
Co-authored-by: Nataliia S. <81954790+natali-rs1985@users.noreply.github.com>
* Update src/conf_mode/service_dhcp-server.py
Co-authored-by: Nataliia S. <81954790+natali-rs1985@users.noreply.github.com>
* Update interface-definitions/include/dhcp/dhcp-server-common-config.xml.i
Co-authored-by: Nataliia S. <81954790+natali-rs1985@users.noreply.github.com>
---------
Co-authored-by: Daniil Baturin <daniil@baturin.org>
Co-authored-by: Nataliia S. <81954790+natali-rs1985@users.noreply.github.com>
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Remove legacy windows static route on option 249
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Default systemd service for kea-ctrl-agent expects
`/etc/kea/kea-api-password` which is not used in
VyOS.
The systemd unit override to remove the condition
does not need to be in a separate (templated and
dynamic) override file and can be merged into the
existing static override file.
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KEA DHCP-server sometimes could be in the race condition when an
interface is not in the UP state.
The server tries to open the socket 5 times with an interval
of 5 seconds, then just starts as it is.
In this case, users cannot get leases from the interface, which was
in the DOWN state before starting KEA, but it is now in the UP state.
Increase 'service-sockets-max-retries' from 5 to 60
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In "option-def" parameter "record-types" field is an array of uint8 in format "<netmask>, <network-byte1>, <network-byte2>, <network-byte3>, <router-byte1>, <router-byte2>, <router-byte3>" where <network-byte3> with the value 0 is omitted, so the minimal length of array is 7 (e.g. for routing 10.1.0.0/16 via 10.1.6.4 "record-types": "16,10,1,10,1,6,4")
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dhcp-server high-availability>.
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supported by Kea
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After update KEA to 2.4.x in the bf04cd8fea44d375fb7d93d75a1f31c220730c88
there is a file that expects ConditionFileNotEmpty=/etc/kea/kea-api-password
It cause the unit `kea-ctrl-agent.service` cannot start
systemd[1]: kea-ctrl-agent.service - Kea Control Agent was skipped because of an unmet condition check (ConditionFileNotEmpty=/etc/kea/kea-api-password)
Override systemd kea-ctrl-agent.service do not check this file
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The leases path should be in `/config` directory to save leases
between reboots.
The typo was in this commit c07055258b853de641d2a1353582800b24c514d2
Before this the idea was to get leases from `/run` directory only
for livecd images. But then we added `/config` directory for livecd.
PR was modified and incorrect variable directory `/run` was used.
Fix it.
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Render isc-dhcp-server systemd unit from configuration
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Clients supporting this DHCP option (DHCP option 108, RFC 8925) will
disable its IPv4 network stack for configured number of seconds
and operate in IPv6-only mode.
This option is known to work on iOS 15+ and macOS 12.0.1+.
Example command:
```sh
set service dhcp-server shared-network-name LAN6 subnet 192.168.64.0/24 ipv6-only-preferred 0
```
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vyos@vyos# show service dhcp-server
shared-network-name LAN {
subnet 172.18.201.0/24 {
default-router 172.18.201.1
name-server 172.18.201.2
range 0 {
start 172.18.201.101
stop 172.18.201.109
}
vendor-option {
ubiquity {
unifi-controller 172.16.100.1
}
}
}
}
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Always render int he vendor specific option definition - it doesn't hurt.
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Add vendor specific options for DHCPv6-server for working with
cisco VoIP phone provisioning over IPv6
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Shared network name should not be handled by tag node mangling
I.e. should not replace underscores with dashed
set service dhcp-server shared-network-name NET_01
shared-network NET_01 {
authoritative;
...
on commit {
set shared-networkname = "NET_01";
}
}
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Signed-off-by: Georg <georg@lysergic.dev>
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shared-network
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The DHCP servers pool {} option can only be used when there follows a range
statement. This is invalid for a network with only "static" leases.
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This option is mandatory and must be user configurable as it needs to match
on both sides.
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DHCP servers "shared-network" level only makes sense if one can specify
configuration items that can be inherited by individual subnets. This is now
possible for name-servers and the domain-name.
set service dhcp-server shared-network-name LAN domain-name 'vyos.net'
set service dhcp-server shared-network-name LAN name-server '192.0.2.1'
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IPv4 DHCP uses "dns-server" to specify one or more name-servers for a given
pool. In order to use the same CLI syntax this should be renamed to name-server,
which is already the case for DHCPv6.
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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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dhcp6.name-servers is a comma-delimited, multi-value list of name-servers that
should only appear once in the dhcpdv6.conf file.
(cherry picked from commit b05201724022d1a50a51d150abb4f444b2e1555e)
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