[c-nsp] automating router failover in eBGP environment

Andrew Miehs andrew at 2sheds.de
Thu Mar 14 07:40:38 EDT 2013


Sent from a mobile device

On 14/03/2013, at 22:06, "Chuck Church" <chuckchurch at gmail.com> wrote:

> Since the customer is homed to two different providers they most likely have
> their own AS number.  So the right way would be have each router do eBGP to
> one of the providers, and iBGP between the two routers.  Each router should
> announce the customer's IP space to the provider.  

Not quite so simple as you need to avoid split brain scenarios when the link between the two routers die.


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