[AusNOG] Preferencing Peering BGP over Transit BGP session on Mikrotik

[Damien Gardner Jnr]

Ahh, I assumed that was a typo, as I knew he was running iBGP ;)

On 29 January 2015 at 09:21, Andrew Jones <aj at jonesy.com.au> wrote:

> Localpref is non-transitive between ASes, so I'm not sure that this would
> work if Daniel is using eBGP between his peering and edge routers.
> Daniel,
> Is there a reason you're running eBGP between your peering and edge
> routers, rather than iBGP?
>
>
> On 29.01.2015 08:25, Damien Gardner Jnr wrote:
>
>> Just modify the input filter for the peering session on your peering
>> router to increase the localpref of the received prefixes (BGP Actions
>> - >Set BGP Local Pref - set it to something higher than what you're
>> setting for transit, but lower than what you are setting for prefixes
>> received from your customers). As long as you're not modifying the
>> localpref of prefixes received from the peering router on your edge
>> router, then it'll accept that, and you'll see traffic go to peering
>> rather than transit.
>>
>> On 29 January 2015 at 08:21, Daniel <daniel at dwatson.me> wrote:
>>
>>  Hi Guys
>>>
>>> As some people on-list may be aware ive switched from Vyatta/VyOS to
>>> Mikrotik as its much easier for me to manage then all the issues i
>>> previously had with Vyatta/VyOS,
>>>
>>> Since switching across to Mikrotik ive not had any issues what so ever
>>> except until now,
>>>
>>> We have MegaPort terminated to our peering router, in which I have a ebgp
>>> session configured between the peering router and our edge router,
>>>
>>> However when i traceroute 8.8.8.8 it still seems to be going over transit
>>> than peering,
>>>
>>> I was wondering if somebody on-list whom might have 10 - 15minutes spare
>>> could give me a hand to resolve this issue?
>>>
>>> Please let me know and ill be more then happy to provide further
>>> information on request.
>>>
>>> TIA
>>>
>>> Daniel
>>>
>>> _______________________________________________
>>> AusNOG mailing list
>>> AusNOG at lists.ausnog.net
>>> http://lists.ausnog.net/mailman/listinfo/ausnog [1]
>>>
>>
>> --
>>
>> Damien Gardner Jnr
>> VK2TDG. Dip EE. GradIEAust
>> rendrag at rendrag.net -  http://www.rendrag.net/ [2]
>> --
>> We rode on the winds of the rising storm,
>>  We ran to the sounds of thunder.
>> We danced among the lightning bolts,
>>  and tore the world asunder
>>
>> Links:
>> ------
>> [1] http://lists.ausnog.net/mailman/listinfo/ausnog
>> [2] http://www.rendrag.net/
>>
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>>
>
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-- 

Damien Gardner Jnr
VK2TDG. Dip EE. GradIEAust
rendrag at rendrag.net -  http://www.rendrag.net/
--
We rode on the winds of the rising storm,
 We ran to the sounds of thunder.
We danced among the lightning bolts,
 and tore the world asunder
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