Re: [OSPF] multilple numbered PtoP links with the same local IP address

[Joakim Tjernlund <joakim.tjernlund at transmode.se>]

"Sean Andersen" <farshad at onebox.com> wrote on 11/08/2009 22:41:27:
>
> You should use unique IP addresses or unnumber them to another interface
> that is up all the time (e.g. loopback, or Ethernet) and make sure that ospf
> is running on the interface (loopback or ethernet) that you are using for
> unnumbered (do not unnumber one ptp to another ptp)

Why do I have to? What you describe is common practise but is not the
same as one isn't allowed to.

 Jocke

>
> Sean
>
> -----Original Message-----
> From: ospf-bounces at ietf.org [mailto:ospf-bounces at ietf.org] On Behalf Of
> Joakim Tjernlund
> Sent: Tuesday, August 11, 2009 12:13 PM
> To: ospf at ietf.org
> Subject: [OSPF] multilple numbered PtoP links with the same local IP address
>
>
> Is there something in the OSPF spec which prevents it from operate
> on multiple PtoP interfaces with the same local IP address?
>
> I have that working, but there are arguments that this is allowed by
> OSPF, i.e, ethier use unnumbered links or unique local IP addresses.
>
>  Jocke