[Kea-users] DHCPv6 Relay listens on multicast and link-local only

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[Kea-users] DHCPv6 Relay listens on multicast and link-local only

Sergey Klusov
Just experimenting with IPv6 and DHCP.

Suppose a routed environment where DHCPv6 and served are separated by
few more routers.

I setup a dhcp-relay agent on end router as:

ipv6 dhcp relay destination 2001:DB8:0:1::16:2

This is the address of KEA server. I start it as usual, specifying "*"
interface, but:

# ss -nl6u | grep 547
UNCONN     0      0      ff02::1:2%lan0.16:547 :::*
UNCONN     0      0
fe80::20c:29ff:feb4:98c2%lan0.16:547                     :::*
...

That repeats for all other interfaces this host have, but all of them
are multicast or link-local

Is there some option i should turn on?

kea version is 1.1.0


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Re: [Kea-users] DHCPv6 Relay listens on multicast and link-local only

Sergey Klusov
On Пн 02.10.2017 15:59, Sergey Klusov wrote:

> Just experimenting with IPv6 and DHCP.
>
> Suppose a routed environment where DHCPv6 and served are separated by
> few more routers.
>
> I setup a dhcp-relay agent on end router as:
>
> ipv6 dhcp relay destination 2001:DB8:0:1::16:2
>
> This is the address of KEA server. I start it as usual, specifying "*"
> interface, but:
>
> # ss -nl6u | grep 547
> UNCONN     0      0      ff02::1:2%lan0.16:547 :::*
> UNCONN     0      0
> fe80::20c:29ff:feb4:98c2%lan0.16:547                     :::*
> ...
>
> That repeats for all other interfaces this host have, but all of them
> are multicast or link-local
>
> Is there some option i should turn on?
>
> kea version is 1.1.0
>
>
Sorry. Just looked closely at documentation and found an answer.

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Re: [Kea-users] DHCPv6 Relay listens on multicast and link-local only

Francis Dupont
In reply to this post by Sergey Klusov
I gave the ticket #4539 "kea-dhcp6 must join All_DHCP_Servers too"
another chance...

Regards

Francis Dupont <[hidden email]>

PS: I put it on the kea-proposed milestone so it will be put in
Kea 1.3 final (i.e., addressed before 1.3 release), Kea 1.4 or
back in Outstanding... Note as it was reported by me I should not
need to explain my opinion about it.
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