Hi Joe,
I realize you're having a specific issue, but for others and also to help
troubleshoot, here's how I configure dhcrelay on Almalinux 8:
---------------------------------------------------------------
1. Install dhcp-relay
2. Copy /lib/systemd/system/dhcrelay.service to
/etc/systemd/system/dhcrelay6.service
3. Edit the service with systemctl edit dhcrelay6.service:
* [Service]
ExecStart=
ExecStart=/sbin/dhcrelay -d --no-pid -6 -l $YOUR_IFACE_FACING_CLIENTS -u
$YOUR_IFACE_FACING_KEA
1. Reload the systemd daemon and (re)start the dhcrelay service.
For the Kea side, can you show your config, and logs? Inside my shared networks
list, I have the following, emphasis on the "relay" object:
---------------------------------------------------------------
{
"name": "Dummy DHCPv6",
"valid-lifetime": 600,
"relay": {
"ip-addresses": [ "ff05::1:3" ]
},
"option-data": [
{ "name": "domain-search", "data": "your-domain.internal" }
],
"subnet6": [
{
"subnet": "2001:db8::/40",
"pools": [
{ "pool": "2001:db8::f - 2001:db8::fffe" }
],
"pd-pools": [
{
"prefix": "2001:db8:100::",
"prefix-len": 40,
"delegated-len": 56
}
]
}
]
}
Eric Graham
DevOps Specialist
Main: 605.995.1777
[email protected]<mailto:[email protected]>
[cid:1524c423-e517-4064-b2dd-48795c13b27e]
Mitchell | Portland | Colorado Springs | San Antonio | Sioux Falls |
Springfield | Charlotte
________________________________
From: Kea-users <[email protected]> on behalf of Joe Botha
<[email protected]>
Sent: Monday, December 12, 2022 8:54 AM
To: [email protected] <[email protected]>
Subject: [Kea-users] DHCPv6 relay and ff05::1:3
CAUTION: This email originated outside the organization. Do not click any links
or attachments unless you have verified the sender.
Hi
Busy setting up a dhcpv6 server and relay, using Kea 2.2 and ISC dhcrelay 4.4.1.
Kea DHCPv6 server listens on:
udp6 ff02::1:2 port 547
but ISC dhcrelay sends to:
ff05::1:3 port 547
I can’t seem to tell kea to listen on ff05::1:3, and I can’t seem to tell
dhcrelay to send to ff02::1:2.
Am I missing something?
--
Swimmingly,
Joe
swimgeek.com/blog +27 82 562 6167 instagram.com/joe.swimgeek
"...all progress depends on the unreasonable man.”
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