[NLNOG] AS3265 (XS4ALL) dropping invalid prefixes

Stavros stavros at ams-ix.net
Tue May 21 17:42:32 CEST 2019

Hi Tim,

Well done for the good work and nice to see you using routinator for this job. I have two questions though: 

- Shall I assume that you use the RTR protocol between your MX routers and routinator? 
- (Speaking as an XS4ALL customer) will you notify your customers for the invalid/dropped prefixes 
   when you apply the policy to customer connections?

Best regards,

Stavros Konstantaras | NOC Engineer | AMS-IX 
M +31 (0) 620 89 51 04 | T +31 20 305 8999
ams-ix.net <http://ams-ix.net/>

> On 21 May 2019, at 13:08, Tim Reinders <timr at xs4all.net> wrote:
> Hello all,
> AS3265 is now dropping all RPKI invalid prefixes received from (transit) peers.
> We run two geographically spread instances of Routinator.
> Our peering-edge consists of two MX960 routers running "JUNOS 17.4R2-S3.2”
> As of yet no real (customer) impact, this is reflected in the volume of traffic in 
> netflow data containing RPKI invalid prefixes (pre/post reject)
> Remaining work is rejecting invalids on customer BGP sessions (handful) and writing
> meaningful alerts for our monitoring-stack (prometheus/alertmanager)
> Regards,
> Tim Reinders
> timr on #nlnog
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