[ixpmanager] AS-SET Is not Working

Shahab Vahabzadeh me at shahabv.com
Mon Apr 20 07:24:59 IST 2020


Frank,
Right now in filters in the web, IRRDB is Valid but IRRDB ORIGIN AS FILTERED

On Mon, Apr 20, 2020 at 10:53 AM Shahab Vahabzadeh <me at shahabv.com> wrote:

> root at rs1:/etc/bird# cat bird-rs1-ipv4.conf | grep 185.141.213
>
>
> 185.141.171.0/24,         185.141.212.0/22,         185.141.212.0/24,
>     *185.141.213*.0/24,
>
> On Mon, Apr 20, 2020 at 10:51 AM Shahab Vahabzadeh <me at shahabv.com> wrote:
>
>> 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
>>> >         >
>>> >         _______________________________________________
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>>> >         ixpmanager at inex.ie <mailto:ixpmanager at inex.ie>
>>> >         Unsubscribe or change options here:
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>>> >
>>> >
>>> >
>>> >     --
>>> >
>>> >     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
>>> >
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>>>
>>
>>
>> --
>>
>> Cheers, Shahab
>>
>
>
> --
>
> Cheers, Shahab
>


-- 

Cheers, Shahab
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