[j-nsp] Weighted default routes in JunOS?

[AM Shaikh]

But be aware that this will not help in case of an
ethernet interface connected to a switch or something
like that .. the interface will stay up and so as the
route even if the gateway goes down. This is true for
IOS also ...

Rgds
AM

--- Rich Salaiz <rsalaiz@juniper.net> wrote:
> Hi Chris --
> 
> It sounds like you are referring to the IOS concept
> of floating static 
> routes?  Where the same static route destination has
> multiple next-hops, 
> each with a different administrative distance?
> 
> If so, Junos has a similar concept called qualified
> next-hops, where a 
> static route destination can have multiple
> next-hops, each with a different 
> route preference (similar to administrative
> distance).
> 
> Here is a link for a description of the concept:
> 
>
http://www.juniper.net/techpubs/software/junos54/swconfig54-routing/html/routing-tables-config6.html#1020874
> 
> And here is a link for an example:
> 
>
http://www.juniper.net/techpubs/software/junos54/swconfig54-routing/html/routing-tables-config7.html#1020905
> 
> And here is an example:
> 
> routing-options {
>    static {
>      route 10.0.0.0/8 {
>        next-hop [192.168.1.2]
>        qualified-next-hop 192.168.1.254 {
>          preference 5;
>        }
>        preference 7;
>      }
>    }
> }
> 
> -rich
> 
> At 05:49 PM 9/20/2002, Chris Watson wrote:
> >I was talking to a friend today about a problem I
> was having and he 
> >mentioned something off the cuff as we were
> chatting, about how he was 
> >setting weighted default routes in IOS. I was
> wondering if JunOS has a 
> >similar feature. Let me give an example (from
> memory) of what he was saying.
> >
> >0.0.0.0/0 interface s0/0
> >0.0.0.0/0 interface s0/1 10
> >0.0.0.0/0 interface s0/2 20
> >
> >Would enable a default route on s0/0 and if that
> failed fall over to the 
> >default route on s0/1 and if that fails fall over
> to s0/2. Using numerical 
> >preference like you would for an MX host. Try the
> default first if that 
> >fails try the default route with a value of 10 then
> 20
> >etc..
> >The above supposedly gets you a default route even
> if an interface goes 
> >down that is marked as the default GW. Can you
> achieve something like this 
> >in JunOS?
> >
> >Chris
> >--
> >"I feel..thin. Sort of stretched, like... butter
> scraped over too much 
> >bread. I need a holliday a very long holliday."
> >
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> 
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