[afnog] AS filtering question

[Nishal Goburdhan]

On 04 Sep 2013, at 8:39 AM, Mark Tinka <mark.tinka at seacom.mu> wrote:
> On Tuesday, September 03, 2013 09:53:08 AM Saul Stein wrote:
> 
>> In an effort to improve my BGP configs, I am wanting to
>> create an AS path filter for each of my neighbours (as
>> some have a large number of paths)
>> 
>> Have any of you got some logic to use for numbering?
>> 
>> I was thinking of using the AS number for the filter, but
>> one can only use 1-500 for AS filters.
> 
> I'd say just keep it simple, don't try to make it too fancy 
> as you can end up with so many ways to do so that will only 
> lead to complexity later on.
> 
> One thing you should note is that AS_PATH filters are 
> "slow", but are a valid filtering mechanism.


saul,

i don't have any interesting logic.
i usually pick the last two digits of the peer's IP address...  :-)
sorry, if you were looking for something more intelligent, well, maybe someone with more scars has better ideas ;-) 

--n.