Follow up question on "next hop self"

Nico Schottelius nico.schottelius at ungleich.ch
Sat Dec 21 00:39:43 CET 2019


Hey Alarig,

Alarig Le Lay <alarig at swordarmor.fr> writes:
>> [...]
>> What is the typical approach to solve this situation correctly?
>> Does making setting the local_pref lower if received from an
>> iBGP router make sense in that case?
>>
>> Best regards,
>>
>> Nico
>
> There will be no loop because eBGP paths are preferred over iBGP ones if
> the routes are equals. https://tools.ietf.org/html/rfc1771#section-9.1
>
> BTW, using classical iBGP, RRs and an IGP will solve many of this kind
> of problems.

I have had a look at OSPF, but for our relatively simple network it
looks like an overkill. Do you have any other recommendations for
what to run the IGP with instead?

The main reason I so far tried to stay on iBGP only is to reduce
complexity.

Best,

Nico


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