Bird redundant routers with same AS on same location and prefix delegation to lower router

[Gelderman, Richard]

Hi Andrew,

As I am new to Bird I can not find a good example how to create a RR cluster with two routers R1 + R2.
Do you have experience with a RR cluster with multiple routers? My biggest question is acquily how to config the
sessions between R1 + R2 as clustermembers without creating a loop.

Regards, Richard

Van: Andrew [mailto:nitr0 at seti.kr.ua]
Verzonden: donderdag 7 september 2017 16:55
Aan: Gelderman, Richard <r.gelderman at rtvoost.nl>
Onderwerp: Re: Bird redundant routers with same AS on same location and prefix delegation to lower router

You may redistribute all routes between R1 and R2 using RR (both received from R3 and received from uplinks), and redistribute just default to R3 using separate table (with static default and routes peering to main table).

On 07.09.2017 17:38, Gelderman, Richard wrote:
Hi Adrew,

I thought about this option, I don't want to pass a full BGP table towards R3.
In other words R1 + R2 should be used for routing for all routes and R3 should only
route net A and net B and must route through to reach other networks.

Regards, Richard

Van: Bird-users [mailto:bird-users-bounces at network.cz] Namens Andrew
Verzonden: donderdag 7 september 2017 15:06
Aan: bird-users at network.cz<mailto:bird-users at network.cz>
Onderwerp: Re: Bird redundant routers with same AS on same location and prefix delegation to lower router

Hi.

You should configure R1 and R2 as route reflectors.


On 07.09.2017 14:17, Gelderman, Richard wrote:
I am trying to achieve a redundant routing setup with two routers with the same ASN who do prefix delegation to a lower router.

The setup is the following:

       AS1000 ISP1    ISP2 AS2000
               |           |
               |           |
   AS10000    R1 ======== R2 AS10000
prefix /22     \   iBGP   /  prefix /22
                \        /
                 \      /
                  \    /
                   R3 AS65000
                   /  \
                  /    \
             net A      net B
         prefix /24     prefix /24


Does anybody has experience with this kind of setup?


Regards,

Richard





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