[c-nsp] Route reflectors, BGP router redundancy et. Al.

Jay Hennigan jay at west.net
Mon Apr 21 22:45:09 EDT 2008


Dracul wrote:
> Hi All,
> 
> I'm building a design that involves having a 2nd BGP router to act as a
> backup if something goes wrong with the main router (heaven forbid). I have
> two peers to different ISP's. There are some questions I have in mind:
> 
> a. Should my configuration involve route reflectors?

No, not with just two routers.

> b. Do I need interconnectivity between the 2 routers? ethernet or serial?

Yes.  If in the same building, ethernet makes more sense.

> c. Where would the two ISP links attach? Router A or B?

For best redundancy, one to each.  IBGP between them, HSRP/VRRP towards 
the LAN.

Note that the above is very generic, much more information is needed to 
come up with a sensible design.

--
Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
Impulse Internet Service  -  http://www.impulse.net/
Your local telephone and internet company - 805 884-6323 - WB6RDV


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