[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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