[nsp] BGP - Filter

[Peter Burggasser]

I know it is not necessary to know about it, but it is also not a mistake
to know how it works. And i prefer to hold short possible mistake.

Peter Burggasser
PB4694-RIPE
PBU4-ARIN


> Peter Burggasser wrote:
>> I am only interessted about the logic. We are planing to do BGP-4, and
>> now I read realy accurate the rfc2622 (RPSL) and found this filter
>
> Are you sure you need the knowledge of RPSL to run BGP? Just do not
> filter anything if you do not feel like to.
>
>>
>> {128.9.0.0/16^20-24}^26-28} == {128.9.0.0/16^26-28}
>>
>> But why should I do like the first block? What is the advantage from
>> the first? I can not figure out whats the difference, or is it just
>> the same. So if anyone can give me a tip would be great.
>>
>> Thanks for your help
>>
>> Peter Burggasser
>>
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>
> --
> Victor Sudakov,  VAS4-RIPE, VAS47-RIPN