[j-nsp] Routing-instances with different AS'es

Jonas Frey jf at probe-networks.de
Thu Dec 22 05:17:57 EST 2005


Hi Alex,

my way trying to solve this was just overkill, a simple as-path-expand
did the job fine. Thanks to all who replied.

Regards,
Jonas

On Thu, 2005-12-22 at 10:37, Alexander Arsenyev (GU/ETL) wrote:
> Hello Jonas,
> Have You actually had a look into the webpage? It describes a feature
> called "local-as" where single router can be viewed from outside "AS IF"
> it belongs to more than 1 AS. 
> Pedro suggested another way of doing this with routing instances of type
> "virtual-router" but it is essentially the same as "local-as" when
> viewed from outside...
> HTH
> Cheers
> Alex 
> 
> -----Original Message-----
> From: Jonas Frey [mailto:jf at probe-networks.de] 
> Sent: 21 December 2005 18:03
> To: Alexander Arsenyev (GU/ETL)
> Cc: juniper-nsp at puck.nether.net
> Subject: RE: [j-nsp] Routing-instances with different AS'es
> 
> Hi Alex,
> 
> this is not was i am looking for. I need to have 2 AS'es (or even more)
> one the *same* router, not different ones. 
> E.g. in general the router should have AS65000 and another
> routing-instance with AS65001. This routing instance should then
> import/get the routes from AS65000 and announce a specific route to
> AS65000.
> To sum it up: I want to have an announcement (going out to the net) of a
> prefix which then should have an as-path of 65000 65001.
> 
> 
> Regards,
> Jonas
> 
> 
> On Wed, 2005-12-21 at 14:26, Alexander Arsenyev (GU/ETL) wrote:
> > local-as?
> > Code snippet is located at the bottom of this page 
> > http://www.juniper.net/techpubs/software/junos/junos74/swconfig74-rout
> > in
> > g/html/bgp-config38.html#1015734 . It's not routing-instance specific 
> > but You could add own RI before "protocols bgp".
> > HTH
> > Cheers
> > Alex
> > 
> > -----Original Message-----
> > From: juniper-nsp-bounces at puck.nether.net
> > [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Jonas Frey
> > Sent: 21 December 2005 13:09
> > To: juniper-nsp at puck.nether.net
> > Subject: [j-nsp] Routing-instances with different AS'es
> > 
> > Hello,
> > 
> > i am just reading through the docs and am trying to figure out howto 
> > run a second AS inside a routing-instance.
> > What i want to do is basically:
> > 
> > Router runs with AS65000, got full bgp tables etc.
> > Now i want to "add" a second AS in a seperate routing-instance which 
> > is AS65001. This AS65001 should then announce 10.0.0.0/8 towards 
> > AS65000 which then advertises this to its peers.
> > 10.0.0.0/8 is connected locally on a fe interface.
> > 
> > 
> > Anyone got a code sniplet which i may use?
> > 
> > Regards,
> > Jonas
> > 
> > _______________________________________________
> > juniper-nsp mailing list juniper-nsp at puck.nether.net 
> > http://puck.nether.net/mailman/listinfo/juniper-nsp




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