[ixpmanager] AS-SET Is not Working

Shahab Vahabzadeh me at shahabv.com
Mon Apr 20 07:21:51 IST 2020


bird> show status

BIRD 2.0.7

Router ID is 185.1.77.1

Current server time is 2020-04-20 10:51:29

Last reboot on 2020-04-19 11:31:11

Last reconfiguration on 2020-04-20 10:48:22

Daemon is up and running

bird>

On Mon, Apr 20, 2020 at 10:47 AM Frank Habicht <geier at geier.ne.tz> wrote:

> Hi,
>
> was the bird configuration with the filters re-generated since the AS
> was added to the AS-SET?
> If yes, was that operation successful?
> Maybe you can check the date/time of last change of your bird config file?
>
> Frank
>
> On 20/04/2020 09:09, Shahab Vahabzadeh wrote:
> > Frank,
> > Also Problem in shell solved but in route server no its filter again:
> >
> > root at members:~# bgpq3 -S RIPE AS-ASIATECH | grep 185.141.213.0/24
> > <http://185.141.213.0/24>
> >
> > ip prefix-list NN permit *185.141.213.0/24 <http://185.141.213.0/24>*
> >
> >
> > On Mon, Apr 20, 2020 at 10:38 AM Shahab Vahabzadeh <me at shahabv.com
> > <mailto:me at shahabv.com>> wrote:
> >
> >     Dear Frank,
> >     I asked customer to add their own AS in side their
> >     AS-SET:
> https://apps.db.ripe.net/db-web-ui/query?searchtext=AS-ASIATECH
> >     But the problem exist and that prefix is
> >     filtered:
> https://members.tehran-ix.ir/lg/rs1-ipv4/routes/protocol/pb_as43754_vli26_ipv4
> >
> >     185.141.213.0/24 <http://185.141.213.0/24>
> >
> >
> >
> >     On Mon, Apr 20, 2020 at 10:35 AM Frank Habicht <geier at geier.ne.tz
> >     <mailto:geier at geier.ne.tz>> wrote:
> >
> >         Hi Shahab,
> >
> >         it's better if they (43754) fix the AS-SET to include their own
> ASN.
> >         That way they will also fix filter generation on their upstream
> >         or any
> >         bilateral peer.
> >         Everybody else generating filters from the AS-SET does also not
> >         do the
> >         AND, so your suggestion would fix it only for the IXP route
> >         servers, not
> >         for the other places.
> >
> >         Greetings,
> >         Frank
> >
> >         On 20/04/2020 08:58, Shahab Vahabzadeh wrote:
> >         > Nick,
> >         > I think I find the problem, Customer AS Number (AS43754) must
> >         be inside
> >         > AS-SET?!
> >         > They (and Me) thought that only AS numbers behind customers
> >         must be there.
> >         > Maybe you can AND it in your queries, Customer AS Number +
> AS-SET.
> >         > Thanks
> >         >
> >         > On Mon, Apr 20, 2020 at 10:25 AM Shahab Vahabzadeh
> >         <me at shahabv.com <mailto:me at shahabv.com>
> >         > <mailto:me at shahabv.com <mailto:me at shahabv.com>>> wrote:
> >         >
> >         >     Nick,
> >         >     Our IRRDB source for all customers is RIPE.
> >         >     Thanks
> >         >
> >         >     On Mon, Apr 20, 2020 at 10:23 AM Shahab Vahabzadeh
> >         <me at shahabv.com <mailto:me at shahabv.com>
> >         >     <mailto:me at shahabv.com <mailto:me at shahabv.com>>> wrote:
> >         >
> >         >         Dear Nick,
> >         >         Now for customer Asiatech (AS43754) we have IPv4 and
> IPv6
> >         >         Peering Macro which is AS-ASIATECH.
> >         >         And also as I check the ripe database there is a valid
> >         route
> >         >         object for 185.141.213.0/24 <http://185.141.213.0/24>
> >         <http://185.141.213.0/24> with
> >         >         AS43754 itself.
> >         >         So why is there an error for this prefix?
> >         >         Thanks
> >         >
> >         >         On Sun, Apr 19, 2020 at 1:53 PM Nick Hilliard (INEX)
> >         >         <nick at inex.ie <mailto:nick at inex.ie>
> >         <mailto:nick at inex.ie <mailto:nick at inex.ie>>> wrote:
> >         >
> >         >             Shahab Vahabzadeh wrote on 19/04/2020 08:34:
> >         >             > You are right but what is your idea about this
> >         prefix:
> >         >             185.141.213.0/24 <http://185.141.213.0/24>
> >         <http://185.141.213.0/24>  ?
> >         >             > There is a route object in ripe with AS43754 and
> >         this AS
> >         >             belongs to the
> >         >             > customer himself.
> >         >             > But again it's filter with two tag: Prefix
> Filtered,
> >         >             Origin AS Filtered
> >         >
> >         >             The list of IRRDB prefixes is built using the
> >         "IPv4 Peering
> >         >             Macro" and
> >         >             "IRRDB Source" in the Customer profile.
> >         >
> >         >             If the "IPv4 Peering Macro" field is blank, then
> >         it uses the AS.
> >         >
> >         >             The artisan irrdb:update-prefix-db command uses
> >         the bgpq3
> >         >             command to
> >         >             populate the local database using the peering
> >         macro and the
> >         >             source list.
> >         >
> >         >             The first thing to do is check the information
> >         that's going
> >         >             into the
> >         >             local database.
> >         >
> >         >             -  you need to check that the "IPv4 Peering Macro"
> >         is set to
> >         >             what the
> >         >             customer specifies
> >         >
> >         >             -  make sure the irrdb source looks correct.
> >         Probably it
> >         >             should be set
> >         >             to "RIPE".
> >         >
> >         >             -  you need to make sure that there is a route:
> >         object in
> >         >             the IRRDB for
> >         >             the prefix that you're checking.
> >         >
> >         >             You can find out what bgpq3 thinks by calling it
> >         directly
> >         >             using the
> >         >             parameters specified in IXP Manager, e.g. if
> >         you've set the
> >         >             as-set to be
> >         >             blank, it will use the AS itself:
> >         >
> >         >             > % bgpq3 -S RIPE AS43754 | grep 185.141.213.0/24
> >         <http://185.141.213.0/24>
> >         >             <http://185.141.213.0/24>
> >         >             > ip prefix-list NN permit 185.141.213.0/24
> >         <http://185.141.213.0/24>
> >         >             <http://185.141.213.0/24>
> >         >             > %
> >         >
> >         >             This means that there's a route: object in the
> >         RIPE IRRDB,
> >         >             which is a
> >         >             good start.
> >         >
> >         >             The next thing would be to check the AS-SET that
> >         you're
> >         >             using in IXP
> >         >             Manager for this customer, along with the IRRDB
> >         source list:
> >         >
> >         >             > % bgpq3 -S "<IRRDB source list>" <IPv4 peering
> >         macro> |
> >         >             grep 185.141.213.0/24 <http://185.141.213.0/24>
> >         <http://185.141.213.0/24>
> >         >
> >         >             If this comes up blank, then you've identified
> >         that the
> >         >             problem is that
> >         >             you're using the wrong IRRDB source, the wrong AS
> >         set or
> >         >             else that the
> >         >             customer hasn't configured their AS set properly.
> >         >
> >         >             Nick
> >         >
> >         >
> >         >
> >         >         --
> >         >
> >         >         Cheers, Shahab
> >         >
> >         >
> >         >
> >         >     --
> >         >
> >         >     Cheers, Shahab
> >         >
> >         >
> >         >
> >         > --
> >         >
> >         > Cheers, Shahab
> >         >
> >         > _______________________________________________
> >         > INEX IXP Manager mailing list
> >         > ixpmanager at inex.ie <mailto:ixpmanager at inex.ie>
> >         > Unsubscribe or change options here:
> >         https://www.inex.ie/mailman/listinfo/ixpmanager
> >         >
> >         _______________________________________________
> >         INEX IXP Manager mailing list
> >         ixpmanager at inex.ie <mailto:ixpmanager at inex.ie>
> >         Unsubscribe or change options here:
> >         https://www.inex.ie/mailman/listinfo/ixpmanager
> >
> >
> >
> >     --
> >
> >     Cheers, Shahab
> >
> >
> >
> > --
> >
> > Cheers, Shahab
> >
> > _______________________________________________
> > INEX IXP Manager mailing list
> > ixpmanager at inex.ie
> > Unsubscribe or change options here:
> https://www.inex.ie/mailman/listinfo/ixpmanager
> >
> _______________________________________________
> INEX IXP Manager mailing list
> ixpmanager at inex.ie
> Unsubscribe or change options here:
> https://www.inex.ie/mailman/listinfo/ixpmanager
>


-- 

Cheers, Shahab
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://www.inex.ie/pipermail/ixpmanager/attachments/20200420/95682997/attachment-0001.htm>


More information about the ixpmanager mailing list