[c-nsp] Redistribute interface address as a /32 or /128 into BGP

Maximilian Wilhelm max at rfc2324.org
Sat Mar 27 11:01:35 EDT 2021


Anno domini 2021 Johannes Erwerle scripsit:

Hi,

[...]
> 2. announce the interface addresses (10.0.0.2 and 10.0.0.3 in this case)
> as a /32 into the backbone so that they are more specifics and take the
> right way through the backbone and not through the 10.0.0.0/24 network.
> 
> My problem is that I can not convince my router to announce the
> interface addresses. I tried to simply add a
> 
> network 10.0.0.2
> 
> to the BGP config, but apparently the local routes that the router
> creates for it's interfaces are not announced.
[...]

I'm wondering if the default classfulness is biting you here. Have you
tried

  network 10.0.0.2 mask 255.255.255.255

by any chance?

Best
Max


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