[j-nsp] Next-Hop Verification for static route WITHOUT BFD

[Nitzan Tzelniker]

You can work based on this blog
http://nextheader.net/2013/07/22/changing-the-configuration-using-event-policy-action/

Thanks

Nitzan


On Wed, Oct 26, 2016 at 8:24 AM, Stefan Stoyanov <sonyxwing at gmail.com>
wrote:

> Hi Alex,
>
> Try to check if "ip-monitoring" will fits your needs. (
> https://kb.juniper.net/InfoCenter/index?page=content&id=KB25052  )
>
> On Tue, Oct 25, 2016 at 8:20 PM, Alexander Marhold <
> alexander.marhold at gmx.at
> > wrote:
>
> > Hi !
> >
> >
> >
> > In the old Junoe E router we could use RTR to verify a next-hop for a
> > static
> > route when the neighbor is not able or willing to do BFD
> >
> >
> >
> > host1(config)#ip route 10.1.1.5 255.255.255.0 10.1.1.5 fastEthernet 1/0
> > verify rtr 5 last-resort
> >
> >
> >
> > I do not find any good example of doing this on a MX.
> >
> >
> >
> > I need such a solution to change the BGP next-hop on an interface when
> the
> > interface is always up, but the necessary next-hop on this multipoint
> > interface is not reachable
> >
> >
> >
> > The successor of RTR namely ip-monitoring is not able to this in a simple
> > way.
> >
> > Maybe any special policy or event-policy or an event-script can help
> here?
> >
> > Or a unknown way to redistribute the static route to OSPF only when the
> > next-hop is reachable vis ip monitoring ?
> >
> >
> >
> > So if you have a practical way to do this please tell.
> >
> > To clarify it is not a matter of milliseconds, it is a matter of seconds
> >
> >
> >
> > What I want to achieve is that when the next-hop of this static route is
> > not
> > reachable, the static route is not readvertised into OSPF anymore and a
> > second MX then looses the primary BGP next-hop and can then divert the
> BGP
> > traffic to secondary Peer and next-hop.
> >
> >
> >
> > Many thanks in advance for your ideas and solutions
> >
> >
> >
> > Alexander Marhold
> >
> > _______________________________________________
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> > https://puck.nether.net/mailman/listinfo/juniper-nsp
> >
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