Hoi

It is not possible because RFC5838 requires an IPv4 address in the IPv6 Link 
LSA. You cannot do IPv4 unnumbered using link-local because of this 
requirement. 

Groet
Pim
—
Pim van Pelt / PBVP1-RIPE
https://ipng.ch/

> On 24 Jan 2025, at 15:39, beno...@enki-multimedia.eu wrote:
> 
> Thank you, for the linlks :)
> 
> I was already using your post as a ref  but I didn't found the right way to 
> get unnumbered addresses on freebsd.  I'm still investigating it
> 
> My initial expectation however was that it would work the same it does for 
> IPv6 passing the loopback using the local link IP as next hop. But it doesn't 
> seem to it without the trick you use on linux. At least on 1.16.1 . Is there 
> a way to do it wuthout an unnumbered interface ?
> 
> 
>> On 24 Jan 2025, at 02:24, Pim van Pelt via Bird-users 
>> <bird-users@network.cz> wrote:
>> 
>> Hoi Benoit,
>> 
>> I did not try this on FreeBSD, but I did on Linux:
>> https://ipng.ch/s/articles/2024/06/22/vpp-with-loopback-only-ospfv3-part-2/
>> 
>> and I discussed my travels in Paris at FRNOG'40 in
>> https://video.ipng.ch/w/9A9Zg83PXpunnBvncWYQHL
>> Hope that helps.
>> 
>> groet,
>> Pim
>> 
>> 
>>> On 24.01.2025 01:38, benoitc--- via Bird-users wrote:
>>> Hi all,
>>> 
>>> I am looking at reducing the number of IPv4s I am using but i'ms truggling 
>>> to have loopback propagation over local link using OSPv3 on freebsd.
>>> 
>>> Did someone tried it? Can you share your related configuration?
>>> 
>>> when i setup the ip on lo1 and pass as  stub  in the OSPfV3 IPv4 
>>> iinstances, no ipv4 route is exported. any  hint is welcome.
>>> 
>>> 
>>> Benoît
>>> 
>> 
>> --
>> Pim van Pelt <p...@ipng.ch>
>> PBVP1-RIPE - https://ipng.ch/
>> 
> 
> 
> 

Reply via email to