BIRD and "router ID" field

[Arnold Nipper]

On 17.05.2010 13:01 Mikhail A. Grishin wrote

> Hi Arnold,
> 
> Arnold Nipper пишет:
>> Mikhail,
>> 
>> On 17.05.2010 10:05 Mikhail A. Grishin wrote
>> 
>>> Hi,
>>> -----------
>>> http://bird.network.cz/?get_doc&f=bird-6.html#ss6.1
>>> "Route selection rules"
>>> ...
>>> Prefer the route with the lowest value of router ID of the advertising 
>>> router.
>>> -----------
>>>
>>> Our users wants to see "router ID" for every route in looking glass 
>>> output. It is important for task to understand, why some route is best, 
>>> while another one - not best.
>>>
>>> Is it possible to display "router ID" for every route in 'show route 
>>> all...' output ?
>>>
>>>
>> 
>> iirc you are already massaging output from BIRD to present it in a more
>> Cisco style to your customers. So why not including information from
>> "show protocols all ..." as well?
>> 
>> That's imho much better then overloading BIRD with funny stuff.
>> 
> 
> If it's impossible (or unwanted) to do it internally, we'll do it by 
> parsing some other BIRD outputs.
> 
> But another BGP attrubutes (med, as_path, local pref, ...), which make 
> sense in BGP route selection process, already seen at "show protocols 
> all" output, so may be logically more correct to add "router ID".
> 
> 

Not really ... med, as_path, local pref, ... are BGP path attributes,
router ID isn't.



Arnold
-- 
Arnold Nipper / nIPper consulting, Sandhausen, Germany
email: arnold at nipper.de       phone: +49 6224 9259 299
mobile: +49 172 2650958         fax: +49 6224 9259 333

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