[bdNOG] Extra peer entries in HE BGP Info for our AS38592.

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Dear all,

Greetings from X-Press Technologies Ltd . Sorry for late reply. This
problem is fixed.

On Wed, Nov 23, 2016 at 1:31 PM, Aniruddha Barua <aniruddha.barua at colbd.com>
wrote:

> Dear All,
>
> Seems to be BGP configuration issue (misconfiguration or experiment???) at
> both ConnectBD and X-Press Technologies as seen from PCH Looking Glass
> "show ip bgp neighbor <IP_addr>" outputs below (please note the lines
> beginning with arrow (=>)).
>
> *=> BGP neighbor is 198.32.167.29, remote AS 24481, local AS 3856, external link* Description: *Connect BD Ltd.* Member of peer-group NON-ROUTE-SERVER-PEER for session parameters  BGP version 4, remote router ID 202.79.23.248  BGP state = Established, up for 3d20h26m  Last read 00:00:21, hold time is 180, keepalive interval is 60 seconds  Neighbor capabilities:    4 Byte AS: advertised and received    Route refresh: advertised and received(new)    Address family IPv4 Unicast: advertised and received  Message statistics:    Inq depth is 0    Outq depth is 0                         Sent       Rcvd    Opens:                 16          7    Notifications:         14          0    Updates:               16     132533    Keepalives:        223481     255334    Route Refresh:          0          0    Capability:             0          0    Total:             223527     387874  Minimum time between advertisement runs is 30 seconds For address family: IPv4 Unicast  NON-ROUTE-SERVER-PEER peer-group member  Community attribute sent to this neighbor(both)  Inbound path policy configured  Outbound path policy configured  Route map for incoming advertisements is *NON-ROUTE-SERVER-PEER-IN  Route map for outgoing advertisements is *NON-ROUTE-SERVER-PEER-OUT=>  *2499 accepted prefixes*  Connections established 16; dropped 15  Last reset 3d20h26m, due to BGP Notification sendLocal host: 198.32.167.3, Local port: 40857Foreign host: 198.32.167.29, Foreign port: 179Nexthop: 198.32.167.3Nexthop global: ::Nexthop local: ::BGP connection: non shared networkRead thread: on  Write thread: off
>
>
> *=> BGP neighbor is 198.32.167.108, remote AS 133854, local AS 3856, external link* Description: *X-press Technologies Limited* (ahsan at x-press.technology) (#71717) Member of peer-group NON-ROUTE-SERVER-PEER for session parameters  BGP version 4, remote router ID 198.32.167.108  BGP state = Established, up for 3d20h34m  Last read 00:00:13, hold time is 180, keepalive interval is 60 seconds  Neighbor capabilities:    4 Byte AS: advertised and received    Route refresh: advertised and received(new)    Address family IPv4 Unicast: advertised and received  Message statistics:    Inq depth is 0    Outq depth is 0                         Sent       Rcvd    Opens:                 20         10    Notifications:         15          1    Updates:               20     160311    Keepalives:        223025     254825    Route Refresh:          0          0    Capability:             0          0    Total:             223080     415147  Minimum time between advertisement runs is 30 seconds For address family: IPv4 Unicast  NON-ROUTE-SERVER-PEER peer-group member  Community attribute sent to this neighbor(both)  Inbound path policy configured  Outbound path policy configured  Route map for incoming advertisements is *NON-ROUTE-SERVER-PEER-IN  Route map for outgoing advertisements is *NON-ROUTE-SERVER-PEER-OUT=>  *2582 accepted prefixes*  Connections established 20; dropped 19  Last reset 3d20h34m, due to BGP Notification sendLocal host: 198.32.167.3, Local port: 43119Foreign host: 198.32.167.108, Foreign port: 179Nexthop: 198.32.167.3Nexthop global: ::Nexthop local: ::BGP connection: non shared networkRead thread: on  Write thread: off
>
> Best regards,
>
> ANIRUDDHA BARUA
> Email: aniruddha.barua at colbd.com, cto at colbd.com
>
>
> *---------- Original Message -----------*
> From: "Aniruddha Barua" <aniruddha.barua at colbd.com>
> To: Fakrul Alam <fakrul at fakrul.com>, Omar Ali <omarali113 at gmail.com>
> Cc: Simon Sohel Baroi / Global Business / 01847102243 / <
> simon.baroi at fiberathome.net>, nog <nog at bdnog.org>
> Sent: Tue, 22 Nov 2016 14:04:10 +0600
> Subject: Re: [bdNOG] Extra peer entries in HE BGP Info for our AS38592.
>
> > Dear Pappu bhai,
> >
> > Found the following output from PCH looking glass.
> >
> >
>
> BGP routing table entry for 202.65.168.0/24Paths: (4 available, best #1, table
> Default-IP-Routing-Table)  Advertised to non peer-group
> peers:
> 206.220.231.55
> 38592    198.32.167.99 from 198.32.167.5
> (198.32.167.5)      Origin IGP, metric 0, localpref 100, valid,
> external,
> best      Community:
> 3856:52900      Last update: Mon Nov 21 23:00:53
> 2016  65534
> 38592    198.32.167.99 from 198.32.167.1
> (198.32.167.1)      Origin IGP, metric 0, localpref 100, valid,
> external      Community:
> 3856:52900      Last update: Mon Nov 21 23:01:04
> 2016  133854
> 38592    198.32.167.99 from 198.32.167.108
> (198.32.167.108)      Origin IGP, metric 0, localpref 100, valid,
> external      Community:
> 3856:52900      Last update: Mon Nov 21 23:00:53
> 2016  24481
> 38592    198.32.167.99 from 198.32.167.29
> (202.79.23.248)      Origin IGP, metric 0, localpref 100, valid,
> external      Community:
> 3856:52900      Last update: Mon Nov 21 23:00:53
> 2016
>
> No idea why the bottom two are here. Someone from ConnectBD and X-Press
> Technologies might be able to explain or might want to contact me off the
> list.
> >
> > Best regards,
> >
> > ANIRUDDHA BARUA
> > Email: aniruddha.barua at colbd.com, cto at colbd.com
> >
> > *---------- Original Message -----------*
> > From: Fakrul Alam <fakrul at fakrul.com>
> > To: Omar Ali <omarali113 at gmail.com>
> > Cc: nog <nog at bdnog.org>, Simon Sohel Baroi / Global Business /
> 01847102243 / <simon.baroi at fiberathome.net>
> > Sent: Tue, 22 Nov 2016 17:11:11 +1000
> > Subject: Re: [bdNOG] Extra peer entries in HE BGP Info for our AS38592.
> >
> > > Dear Aniruddha,
> > >
> > > I am not sure whether you are doing AS_PATH filter. If not please do
> the following. I make the config  with the understanding that you are not
> transiting for any ASN:
> > >
> > > ip as-path access-list 420 permit ^38592(_38592)*$
> > > ip as-path access-list 420 permit ^$
> > > !
> > > neighbor {Summit Communications Ltd} filter-list 420 out
> > > neighbor {1Asia Communication Pte Ltd} filter-list 420 out
> > > neighbor {Bangladesh Telecommunications Company Ltd (BTCL)}
> filter-list 420 out
> > >
> > > [note : use the config at you own risk :-) ]
> > >
> > > Thanks
> > > Pappu
> > >
> > > On Tue, Nov 22, 2016 at 3:01 PM, Omar Ali <omarali113 at gmail.com>
> wrote:
> > >
>>
>>
>> > > Simon Bhai,
>> > >
>> > > Not only ConnectBD or Xpress is announcing prefixes learned from BDIX
>> but some of us are helping to do so. I don't think Xpress or ConnectBD has
>> peering with HE, please check below screenshots
>> > >
>> > > *ConnectBD:*
>> > >
>>
>>
>> > >
>>
>>
>> *X-press
>> Technologies:*
>>
>>
>> > >
>>
>>
>> > >
>>
>>
>> I
>>
>> also didn't find their prefixs in EquinixIX, SG (usually we peer with
>>
>> EquinixIX SG from BD where HE is
>> present).
>>
>> > >
>>
>>
>>
>> > >
>>
>>
>> I think our IIGs and ITCs who are serving ConnectBD and Xpress need to check their
>> prefix
>>
>> filter.
>>
>>
>>
>> > >
>>
>> Regards,
>>
>> Omar
>>
>>
>>
>> > >
>>
>>
>>
>> > >
>>
>>
>> > >
>> > >
>> > >
>> > > On Mon, Nov 21, 2016 at 5:26 PM, Simon Sohel Baroi / Global Business
>> / 01847102243 / <simon.baroi at fiberathome.net> wrote:
>> > >
>>>
>>>
>>> > >
>>> > > Dada,
>>> > >
>>> > > I guess Xpress and ConnectBD is announcing bdIX Prefix to the
>>> internet, atleast to Hurricane.
>>> > >
>>> > > - SIMON.
>>> > >
>>> > > On Mon, Nov 21, 2016 at 5:20 PM, Aniruddha Barua <
>>> aniruddha.barua at colbd.com> wrote:
>>> > >
>>>>
>>>> Dear All,
>>>> > >
>>>> > > I was looking at the Hurricane Electric BGP page at
>>>> http://bgp.he.net/AS38592#_peers (Updated 20 Nov
>>>> > > 2016 12:32 PST) about our ASN 38592 and found extra peer entries,
>>>> > >
>>>> > > AS65534 (BDIX),
>>>> > > AS133854 (X-press Technologies Ltd.) and
>>>> > > AS24481 (ConnectBD Ltd.).
>>>> > >
>>>> > > We have no peering with AS133854 and AS24481. I wonder why these
>>>> two ASNs showed up here. We are
>>>> > > connected to BDIX (AS65534) though. But this private ASN should not
>>>> appear here, right?
>>>> > >
>>>> > > Best regards,
>>>> > >
>>>> > > ANIRUDDHA BARUA
>>>> > > Email: aniruddha.barua at colbd.com, cto at colbd.com
>>>> > >
>>>> > > _______________________________________________
>>>> > > nog mailing list
>>>> > > nog at bdnog.org
>>>> > > http://mailman.bdnog.org/mailman/listinfo/nog
>>>> > >
>>>
>>>
>>> > >
>>>
>>> > >
>>> > > --
>>> > >
>>> > > *Simon Sohel Baroi  *|  AGM  |  International Gateway and Cable  |
>>> > > Cell : +880-181-7022207  |  Desk : +880-9666776677 Ext-1702  |
>>> > > Mail : simon.baroi at fiberathome.net  |  Skype : tx.fttx  |
>>> > >
>>> > >
>>>
>>>
>>> * > > > > Reduce. Reuse. Recycle. Respect. It's the little things that
>>> really can make a difference. > > *
>>> > > _______________________________________________
>>> > > nog mailing list
>>> > > nog at bdnog.org
>>> > > http://mailman.bdnog.org/mailman/listinfo/nog
>>> > >
>>> > >
>>
>>
>> > >
>> > > _______________________________________________
>> > > nog mailing list
>> > > nog at bdnog.org
>> > > http://mailman.bdnog.org/mailman/listinfo/nog
>> > >
>> > >
>
>
> > *------- End of Original Message -------*
> >
> *------- End of Original Message -------*
>
> _______________________________________________
> nog mailing list
> nog at bdnog.org
> http://mailman.bdnog.org/mailman/listinfo/nog
>
>


-- 
----

*Thanks & Regards  ------------------------------------------------ *

*Nazmul Ahsan <http://www.facebook.com/xbnahsan> X-press Technologies Ltd.*
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