[afnog] We can do...

[Frank Habicht]

I forgot this:
https://bgpfilterguide.nlnog.net
and
https://bgpfilterguide.nlnog.net/guides/no_transit_leaks/

Frank

On 17/08/2021 23:28, Noah wrote:
> I have pinged Evans/WIOCC meanwhile.......
> 
> *./noah*
> *
> *
> 
> 
> On Tue, Aug 17, 2021 at 8:25 PM Frank Habicht <geier at geier.ne.tz
> <mailto:geier at geier.ne.tz>> wrote:
> 
>     ...better than this:
> 
>       197.214.1.0/24 <http://197.214.1.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.2.0/24 <http://197.214.2.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.3.0/24 <http://197.214.3.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.4.0/24 <http://197.214.4.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.5.0/24 <http://197.214.5.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.6.0/24 <http://197.214.6.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.7.0/24 <http://197.214.7.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.8.0/24 <http://197.214.8.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.9.0/24 <http://197.214.9.0/24>         
>     155.12.0.158                            37027
>     15399 37662 37662 25543 174 9498 327708 37531 ?
>       197.214.10.0/24 <http://197.214.10.0/24>        
>     155.12.0.158                            37027
>     15399 37662 37662 25543 174 9498 327708 37531 I
>       197.214.11.0/24 <http://197.214.11.0/24>        
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.12.0/24 <http://197.214.12.0/24>        
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.13.0/24 <http://197.214.13.0/24>        
>     155.12.0.158                            37027
>     15399 37662 37662 25543 174 9498 327708 37531 I
>       197.214.14.0/24 <http://197.214.14.0/24>        
>     155.12.0.158                            37027
>     15399 37662 37662 25543 174 9498 327708 37531 I
>       197.214.15.0/24 <http://197.214.15.0/24>        
>     155.12.0.158                            37027
>     15399 37662 37662 25543 5511 327708 37531 I
>       197.214.16.0/24 <http://197.214.16.0/24>        
>     155.12.0.158                            37027
>     15399 37662 37662 25543 174 9498 37531 I
>       197.214.32.0/22 <http://197.214.32.0/22>        
>     155.12.0.158                            37027
>     15399 37662 37662 25543 174 9498 37531 I
> 
>     AS 25543 (ONATEL/FasoNet BF) --  you really want to advertise
>     reachability to prefixes you've learned from AS174 and AS5511
>     (upstreams) to your friends at WIOCC (AS37662) ?
>     They will send the traffic to you.
> 
>     Short rule: whatever you learn from any upstream or peer - don't
>     advertise this to any upstream or peer.
> 
>     WIOCC,
>     maybe just filter all routes from your customer with AS_PATH matching
>     ".*
>     (174|209|286|701|1239|1299|2828|2914|3257|3320|3356|3549|5511|6453|6461|6762|7018|12956)
>     .*" or something similar ?
> 
>     Frank
> 
> 
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