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Re: Debian Server Routing OSPF on two links and one loopback address

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On Sat, Nov 30, 2024 at 11:22 PM Andy Smith <andy@strugglers.net> wrote:

> Hi,
>
> On Sat, Nov 30, 2024 at 06:46:20PM -0500, Timothy M Butterworth wrote:
> > I have been working out how to have my server setup with OSPF routing.
>
> I have no operational experience of OSPF nor FRR. I do what you're doing
> but with BIRD, BGP and ECMP. I think you'll probably need to ask
> questions on some FRR support forum as this is likely beyond most of us
> on debian-user.
>
> Some comments though:
>
> > Can anyone think of anything I might have missed?
> >
> > ### Create and configure the dummy interface
> >
> > sudo touch /etc/network/interfaces.d/ospf.cfg
> > sudo vim /etc/network/interfaces.d/ospf.cfg
>
> In an earlier post you said you use NetworkManager but you continue to
> use ifupdown config files. Did you in fact mean to say that you are
> using ifupdown?
>
> That won't be an issue - I use ifupdown myself in the place I do
> BGP/ECMP. But you'll want to be clear when asking for help.
>
> > ### Add Default Gateway routes
> > route add -net default gw 10.1.1.1 metric 1024 dev eth0
> > route add -net default gw 10.1.1.5 metric 1024 dev eth1
> >
> > # NOTE: I am not sure if the above commands will be persistent.
>
> They won't. Why aren't they in the same ifupdown interfaces file as the
> place you defined the interface, so they get added/removed when the
> interface is brought up/down?
>
> > ### sysctl.d config file
> > sudo touch /etc/sysctl.d/ipforward
> > sudo vim /etc/sysctl.d/ipforward
> > net.ipv4.ip_forward = 1
>
> Files in /etc/sysctl.d need to have an extension of .conf as per
> /etc/sysctl.d/README.sysctl and "man sysctl.d". Your file above is not
> going to be acted upon.
>
> If things don't work out with FRR I'd say try BIRD. Its support mailing
> list is reasonably active.
>

The frr part of the configuration is easy. The syntax is just like Cisco. I
already tested it and my neighbor adjacencies come right up.


>
> Thanks,
> Andy
>
> --
> https://bitfolk.com/ -- No-nonsense VPS hosting
>
>

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Debian Server Routing OSPF on two links and one loopback address Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-12-01 00:50 +0100
  Re: Debian Server Routing OSPF on two links and one loopback address Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-12-01 01:00 +0100
    Re: Debian Server Routing OSPF on two links and one loopback address Andy Smith <andy@strugglers.net> - 2024-12-01 01:20 +0100
      Re: Debian Server Routing OSPF on two links and one loopback address Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-12-01 09:30 +0100
  Re: Debian Server Routing OSPF on two links and one loopback address Andy Smith <andy@strugglers.net> - 2024-12-01 01:10 +0100
    Re: Debian Server Routing OSPF on two links and one loopback address Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-12-01 09:30 +0100
  Re: Debian Server Routing OSPF on two links and one loopback address Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-12-01 01:40 +0100
    Re: Debian Server Routing OSPF on two links and one loopback address Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-12-01 02:10 +0100
      Re: Debian Server Routing OSPF on two links and one loopback address Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-12-01 03:10 +0100

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