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

Aniruddha Barua aniruddha.barua at colbd.com
Tue Nov 22 14:04:10 BDT 2016


Dear Pappu bhai,

Found the following output from PCH looking glass.

BGP routing table entry for 202.65.168.0/24
Paths: (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 2016No 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
> 
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> 
> 
> 
> -- 
> 
> 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.
> 
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------- End of Original Message -------
 
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