[bdNOG] Extra peer entries in HE BGP Info for our AS38592.
Simon Sohel Baroi / Global Business / 01847102243 /
simon.baroi at fiberathome.net
Fri Nov 25 01:19:43 BDT 2016
Thank you Nazmul Vai and Aniruddha Da for updating us.
Simon
On Nov 23, 2016 10:08 PM, "Nazmul Ahsan" <xtech.net at gmail.com> wrote:
> 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 -------*
>>
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>>
>>
>
>
> --
> ----
>
> *Thanks & Regards ------------------------------------------------ *
>
> *Nazmul Ahsan <http://www.facebook.com/xbnahsan> X-press Technologies Ltd.*
>
>
> _______________________________________________
> nog mailing list
> nog at bdnog.org
> http://mailman.bdnog.org/mailman/listinfo/nog
>
>
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