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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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A reference to a dictionary key obtained by a for loop can not be used to update
values inside that dictionaries key. You must use the original path to the
nested dictionaries key.
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dhcp: T2562: add "listen-address" CLI node for better DHCP relay support
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Running ISC DHCP server as backend server for multiple pools served to relay
agents requires DHCPd to explicitly listen on give interfaces or a "transit"
subnet declaration facing the network where we receive the DHCPREQ messages on.
This implements a new "listen-address" CLI node, the given address is validated
if it is assigned to the system and upon success, a proper "subnet { }" statement
is added into dhcpd.conf
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While rewriting the code to get_config_dict() in commit 84b7ade286 ("dhcp: T3100:
migrate server configuration to get_config_dict()") a regression was added not
properly joining strings when multiple search-somains had been given.
Wrong: domain-search "domain1, domain2";
Correct: domain-search "domain1", "domain2";
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Commit a2ac9fac ("vyos.template: T2720: always enable Jinja2 trim_blocks
feature") globally enabled the trim_blocks feature. Some templates still used
in-line trim_blocks "{%"- or "-%}" which caused miss-placed line endings.
This is fixed by removing all in-line trim_block statememnts of Jinja2 templates.
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