[j-nsp] JUNOS Equivalent to CISCO IOS next-hop-self

[Thanh Huong TRAN]

Not exactly like distance in Cisco ..

Rgds,


Eric Van Tol wrote:

> Preference and preference2 are not BGP localpref.  Those preferences are
> similar to 'weight' in Cisco or a metric local to a route.  The
> preference and preference2 are not propagated to other routers in the
> network.
> 
> -evt
> 
> -----Original Message-----
> From: Pedro Roque Marques [mailto:roque at juniper.net] 
> Sent: Monday, December 15, 2003 8:58 PM
> To: Daniel Roesen
> Cc: juniper-nsp at puck.nether.net
> Subject: Re: [j-nsp] JUNOS Equivalent to CISCO IOS next-hop-self
> 
> 
> dr at cluenet.de (Daniel Roesen) writes:
> 
> 
>>On Mon, Dec 15, 2003 at 03:51:45PM -0800, Pedro Roque Marques wrote:
>>
>>>>Which is generally a bad idea because color influences the best
> 
> path
> 
>>>>decision process (if only as a very late criteria).
>>>
>>>I don't believe that is correct.
>>>
>>>In what do you base yourself ? i.e. is that written somewhere ?
>>
>>Yes:
>>
>>
> 
> http://www.juniper.net/techpubs/software/junos/junos61/swconfig61-routin
> g/html/protocols-overview4.html#1014007
> 
>>See paragraph below "Alternate and Tiebreaker Preferences".
>>
>>It's a more detailed modifier to the route preference.
>>
>>So, looking from the "How the Active Route Is Determined" it is
>>influencing even actually very early in the best path decision
> 
> process.
> 
>>:-)
>>
> 
> 
> Preference and preference2 (BGP localpref) are used as
> tiebreakers. color and color2, although stored in the same data
> structure internally, are not used as tiebreakers as far as i can
> gather from the code or my understanding of what the design is.
> 
> mho is that documentation is a tad bit ambiguous.
> 
>   Pedro. 
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