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<font size="2">Dear All,
<br />
<br />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 (=>)).</font>
<br />
<pre id="line1"><span><b>=> BGP neighbor is 198.32.167.29, remote AS 24481, local AS 3856, external link</b>
<span id="line2"></span> Description: <b>Connect BD Ltd.</b>
<span id="line3"></span> Member of peer-group NON-ROUTE-SERVER-PEER for session parameters
<span id="line4"></span> BGP version 4, remote router ID 202.79.23.248
<span id="line5"></span> BGP state = Established, up for 3d20h26m
<span id="line6"></span> Last read 00:00:21, hold time is 180, keepalive interval is 60 seconds
<span id="line7"></span> Neighbor capabilities:
<span id="line8"></span> 4 Byte AS: advertised and received
<span id="line9"></span> Route refresh: advertised and received(new)
<span id="line10"></span> Address family IPv4 Unicast: advertised and received
<span id="line11"></span> Message statistics:
<span id="line12"></span> Inq depth is 0
<span id="line13"></span> Outq depth is 0
<span id="line14"></span> Sent Rcvd
<span id="line15"></span> Opens: 16 7
<span id="line16"></span> Notifications: 14 0
<span id="line17"></span> Updates: 16 132533
<span id="line18"></span> Keepalives: 223481 255334
<span id="line19"></span> Route Refresh: 0 0
<span id="line20"></span> Capability: 0 0
<span id="line21"></span> Total: 223527 387874
<span id="line22"></span> Minimum time between advertisement runs is 30 seconds
<span id="line23"></span>
<span id="line24"></span> For address family: IPv4 Unicast
<span id="line25"></span> NON-ROUTE-SERVER-PEER peer-group member
<span id="line26"></span> Community attribute sent to this neighbor(both)
<span id="line27"></span> Inbound path policy configured
<span id="line28"></span> Outbound path policy configured
<span id="line29"></span> Route map for incoming advertisements is *NON-ROUTE-SERVER-PEER-IN
<span id="line30"></span> Route map for outgoing advertisements is *NON-ROUTE-SERVER-PEER-OUT
<span id="line31"></span>=> <b>2499 accepted prefixes</b>
<span id="line32"></span>
<span id="line33"></span> Connections established 16; dropped 15
<span id="line34"></span> Last reset 3d20h26m, due to BGP Notification send
<span id="line35"></span>Local host: 198.32.167.3, Local port: 40857
<span id="line36"></span>Foreign host: 198.32.167.29, Foreign port: 179
<span id="line37"></span>Nexthop: 198.32.167.3
<span id="line38"></span>Nexthop global: ::
<span id="line39"></span>Nexthop local: ::
<span id="line40"></span>BGP connection: non shared network
<span id="line41"></span>Read thread: on Write thread: off</span></pre>
<br />
<pre id="line1"><span><b>=> BGP neighbor is 198.32.167.108, remote AS 133854, local AS 3856, external link</b>
<span id="line2"></span> Description: <b>X-press Technologies Limited</b> (ahsan@x-press.technology) (#71717)
<span id="line3"></span> Member of peer-group NON-ROUTE-SERVER-PEER for session parameters
<span id="line4"></span> BGP version 4, remote router ID 198.32.167.108
<span id="line5"></span> BGP state = Established, up for 3d20h34m
<span id="line6"></span> Last read 00:00:13, hold time is 180, keepalive interval is 60 seconds
<span id="line7"></span> Neighbor capabilities:
<span id="line8"></span> 4 Byte AS: advertised and received
<span id="line9"></span> Route refresh: advertised and received(new)
<span id="line10"></span> Address family IPv4 Unicast: advertised and received
<span id="line11"></span> Message statistics:
<span id="line12"></span> Inq depth is 0
<span id="line13"></span> Outq depth is 0
<span id="line14"></span> Sent Rcvd
<span id="line15"></span> Opens: 20 10
<span id="line16"></span> Notifications: 15 1
<span id="line17"></span> Updates: 20 160311
<span id="line18"></span> Keepalives: 223025 254825
<span id="line19"></span> Route Refresh: 0 0
<span id="line20"></span> Capability: 0 0
<span id="line21"></span> Total: 223080 415147
<span id="line22"></span> Minimum time between advertisement runs is 30 seconds
<span id="line23"></span>
<span id="line24"></span> For address family: IPv4 Unicast
<span id="line25"></span> NON-ROUTE-SERVER-PEER peer-group member
<span id="line26"></span> Community attribute sent to this neighbor(both)
<span id="line27"></span> Inbound path policy configured
<span id="line28"></span> Outbound path policy configured
<span id="line29"></span> Route map for incoming advertisements is *NON-ROUTE-SERVER-PEER-IN
<span id="line30"></span> Route map for outgoing advertisements is *NON-ROUTE-SERVER-PEER-OUT
<span id="line31"></span>=> <b>2582 accepted prefixes</b>
<span id="line32"></span>
<span id="line33"></span> Connections established 20; dropped 19
<span id="line34"></span> Last reset 3d20h34m, due to BGP Notification send
<span id="line35"></span>Local host: 198.32.167.3, Local port: 43119
<span id="line36"></span>Foreign host: 198.32.167.108, Foreign port: 179
<span id="line37"></span>Nexthop: 198.32.167.3
<span id="line38"></span>Nexthop global: ::
<span id="line39"></span>Nexthop local: ::
<span id="line40"></span>BGP connection: non shared network
<span id="line41"></span>Read thread: on Write thread: off</span></pre><font size="2">Best regards,
<br />
<br />ANIRUDDHA BARUA
<br />
Email: aniruddha.barua@colbd.com, cto@colbd.com
<br />
<br />
<br /><b>---------- Original Message
-----------</b>
<br />
From: "Aniruddha Barua" <aniruddha.barua@colbd.com>
<br />
To: Fakrul Alam <fakrul@fakrul.com>, Omar Ali <omarali113@gmail.com>
<br />
Cc: Simon Sohel Baroi / Global Business / 01847102243 /
<simon.baroi@fiberathome.net>, nog <nog@bdnog.org>
<br />
Sent: Tue, 22 Nov 2016 14:04:10 +0600
<br />
Subject: Re: [bdNOG] Extra peer entries in HE BGP Info for our AS38592.
<br />
<br />>
<font size="2">Dear Pappu
bhai,
<br />>
<br />> Found the following output from PCH looking
glass.
<br />>
<br />>
</font>
<pre id="line1"><span>BGP routing table entry for
202.65.168.0/24
<span id="line2"></span>Paths: (4 available, best #1, table
Default-IP-Routing-Table)
<span id="line3"></span> Advertised to non peer-group
peers:
<span id="line4"></span>
206.220.231.55
<span id="line5"></span>
38592
<span id="line6"></span> 198.32.167.99 from 198.32.167.5
(198.32.167.5)
<span id="line7"></span> Origin IGP, metric 0, localpref 100, valid,
external,
best
<span id="line8"></span> Community:
3856:52900
<span id="line9"></span> Last update: Mon Nov 21 23:00:53
2016
<span id="line10"></span>
<span id="line11"></span> 65534
38592
<span id="line12"></span> 198.32.167.99 from 198.32.167.1
(198.32.167.1)
<span id="line13"></span> Origin IGP, metric 0, localpref 100, valid,
external
<span id="line14"></span> Community:
3856:52900
<span id="line15"></span> Last update: Mon Nov 21 23:01:04
2016
<span id="line16"></span>
<span id="line17"></span> 133854
38592
<span id="line18"></span> 198.32.167.99 from 198.32.167.108
(198.32.167.108)
<span id="line19"></span> Origin IGP, metric 0, localpref 100, valid,
external
<span id="line20"></span> Community:
3856:52900
<span id="line21"></span> Last update: Mon Nov 21 23:00:53
2016
<span id="line22"></span>
<span id="line23"></span> 24481
38592
<span id="line24"></span> 198.32.167.99 from 198.32.167.29
(202.79.23.248)
<span id="line25"></span> Origin IGP, metric 0, localpref 100, valid,
external
<span id="line26"></span> Community:
3856:52900
<span id="line27"></span> Last update: Mon Nov 21 23:00:53
2016</span></pre><font size="2">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.
<br />>
<br />> Best
regards,
<br />>
<br />> ANIRUDDHA BARUA
<br />>
Email: aniruddha.barua@colbd.com, cto@colbd.com
<br />>
<br />> <b>---------- Original Message
-----------</b>
<br />>
From: Fakrul Alam <fakrul@fakrul.com>
<br />>
To: Omar Ali <omarali113@gmail.com>
<br />>
Cc: nog <nog@bdnog.org>, Simon Sohel Baroi / Global Business / 01847102243
/ <simon.baroi@fiberathome.net>
<br />>
Sent: Tue, 22 Nov 2016 17:11:11 +1000
<br />>
Subject: Re: [bdNOG] Extra peer entries in HE BGP Info for our AS38592.
<br />>
<br />> > Dear
Aniruddha,
<br />> >
<br />> > 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:
<br />> >
<br />> > ip
as-path access-list 420 permit
^38592(_38592)*$
<br />> > ip as-path access-list
420 permit
^$
<br />> >
!
<br />> > neighbor {Summit Communications Ltd} filter-list
420
out
<br />> > neighbor {1Asia Communication Pte Ltd} filter-list 420
out
<br />> > neighbor {Bangladesh Telecommunications Company Ltd (BTCL)}
filter-list 420
out
<br />> >
<br />> > [note : use the config at you own risk :-)
]
<br />> >
<br />> >
Thanks
<br />> >
Pappu
<br />> >
<br />> > On Tue, Nov 22, 2016 at
3:01 PM, Omar Ali <span dir="ltr"><<a href="mailto:omarali113@gmail.com" target="_blank">omarali113@gmail.com</a>></span>
wrote:
<br />> > <blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<br />> > Simon
Bhai,
<br />> >
<br />> > 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
<br />> >
<br />> > <b><font face="arial, helvetica,
sans-serif">ConnectBD:</font></b>
<br />> >
<pre style="color: rgb(0, 0, 0);">
<br />> >
</pre>
<pre style="color: rgb(0, 0, 0);"><b><font face="arial, helvetica,
sans-serif">X-press
Technologies:</font></b></pre>
<pre style="color: rgb(0, 0, 0);">
<br />> >
</pre>
<pre style="color: rgb(0, 0, 0);">
<br />> >
</pre>
<pre style="color: rgb(0, 0, 0);"><font face="arial, helvetica, sans-serif">I
also didn't find their prefixs in EquinixIX, SG (usually we peer with
EquinixIX SG from BD where HE is
present).
<br />> >
</font></pre>
<pre style="color: rgb(0, 0, 0);"><font face="arial, helvetica,
sans-serif">
<br />> >
</font></pre>
<pre style="color: rgb(0, 0, 0);"><font face="arial, helvetica,
sans-serif">I think our IIGs and ITCs who are serving ConnectBD and�<span style="color: rgb(34, 34, 34); white-space: normal;">Xpress</span></font><span style="color: rgb(34, 34, 34); font-family: arial,sans-serif; white-space: normal;">�</span><font face="arial, helvetica, sans-serif">need to check their
prefix
filter.</font></pre>
<pre style="color: rgb(0, 0, 0);"><font face="arial, helvetica,
sans-serif">
<br />> >
</font></pre>
<pre style="color: rgb(0, 0, 0);"><font face="arial, helvetica,
sans-serif">Regards,</font></pre>
<pre style="color: rgb(0, 0, 0);"><font face="arial, helvetica,
sans-serif">Omar</font></pre>
<pre style="color: rgb(0, 0, 0);"><font face="arial,
helvetica,
sans-serif">
<br />> >
</font></pre>
<pre style="color: rgb(0, 0, 0);"><font face="arial, helvetica,
sans-serif">
<br />> >
</font></pre>
<br />> >
<br />> >
<font face="arial, helvetica,
sans-serif">
<br />> >
</font>
<br />> > On Mon, Nov
21, 2016 at 5:26 PM, Simon Sohel Baroi / Global Business / 01847102243 / <span dir="ltr"><<a href="mailto:simon.baroi@fiberathome.net" target="_blank">simon.baroi@fiberathome.net</a>></span>
wrote:
<br />> >
<blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<br />> >
<br />> >
Dada,
<br />> >
<br />> > I guess Xpress and ConnectBD is announcing bdIX Prefix to the
internet,
atleast to
Hurricane.
<br />> >
<br />> > -
SIMON.
<br />> >
<br />> > On Mon, Nov 21,
2016 at 5:20 PM, Aniruddha Barua <span dir="ltr"><<a href="mailto:aniruddha.barua@colbd.com" target="_blank">aniruddha.barua@colbd.com</a>></span>
wrote:
<br />> >
<blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Dear
All,
<br />> >
<br />> >
I was looking at the Hurricane Electric BGP page at <a href="http://bgp.he.net/AS38592#_peers" rel="noreferrer" target="_blank">http://bgp.he.net/AS38592#_pee<wbr />rs</a> (Updated 20
Nov
<br />> >
2016 12:32 PST) about our ASN 38592 and found extra peer
entries,
<br />> >
<br />> >
AS65534
(BDIX),
<br />> >
AS133854 (X-press Technologies Ltd.)
and
<br />> >
AS24481 (ConnectBD
Ltd.).
<br />> >
<br />> >
We have no peering with AS133854 and AS24481. I wonder why these two ASNs showed
up here. We
are
<br />> >
connected to BDIX (AS65534) though. But this private ASN should not appear here,
right?
<br />> >
<br />> >
Best
regards,
<br />> >
<br />> >
ANIRUDDHA
BARUA
<br />> >
Email: <a href="mailto:aniruddha.barua@colbd.com" target="_blank">aniruddha.barua@colbd.com</a>, <a href="mailto:cto@colbd.com" target="_blank">cto@colbd.com</a>
<br />> >
<br />> >
______________________________<wbr />_________________
<br />> >
nog mailing
list
<br />> >
<a href="mailto:nog@bdnog.org" target="_blank">nog@bdnog.org</a>
<br />> >
<a href="http://mailman.bdnog.org/mailman/listinfo/nog" rel="noreferrer" target="_blank">http://mailman.bdnog.org/mailm<wbr />an/listinfo/nog</a>
<br />> >
</blockquote>
<br />> >
<br clear="all" />
<br />> >
<br />> > <span class="m_4148787280246568150gmail-HOEnZb"><font color="#888888">--
<br />> >
<br />> > <font style="font-family: tahoma,sans-serif;" size="1"><b>Simon
Sohel
Baroi� </b>| �AGM �| �International Gateway and Cable�</font><span style="font-family: tahoma,sans-serif; font-size: x-small;">�|</span><font style="font-family: tahoma,sans-serif;" size="1">
<br />> > </font><font style="font-family: tahoma,sans-serif;" size="1">Cell : +880-181-7022207 �|� Desk
: <a href="tel:%2B880-9666776677%20Ext-1702" value="+8809666776677" target="_blank">+880-9666776677 Ext-1702</a>
�|��</font>
<br />> > <font style="font-family: tahoma,sans-serif;" size="1">Mail : <a href="mailto:simon.baroi@fiberathome.net" target="_blank">simon.baroi@fiberathome.net</a>� |� Skype : tx.fttx�
|
<br />> >
<br />> > </font><font style="color: rgb(0, 102, 0);" size="1"><i><b><font face="Helvetica"><span style="font-family: tahoma; font-style: normal; font-weight: normal;">
<br />> >
<br />> > <b><i>R</i></b><b><i>educe. Reuse. Recycle. Respect. It's the
little things that really can make a
difference.
<br />> >
</i></b>
</span></font></b></i></font>
</font></span>
<br />> > ______________________________<wbr />_________________
<br />> >
nog mailing
list
<br />> >
<a href="mailto:nog@bdnog.org" target="_blank">nog@bdnog.org</a>
<br />> >
<a href="http://mailman.bdnog.org/mailman/listinfo/nog" rel="noreferrer" target="_blank">http://mailman.bdnog.org/mailm<wbr />an/listinfo/nog</a>
<br />> >
<br />> >
</blockquote>
<br />> >
<br />> >
______________________________<wbr />_________________
<br />> >
nog mailing
list
<br />> >
<a href="mailto:nog@bdnog.org">nog@bdnog.org</a>
<br />> >
<a href="http://mailman.bdnog.org/mailman/listinfo/nog" rel="noreferrer" target="_blank">http://mailman.bdnog.org/<wbr />mailman/listinfo/nog</a>
<br />> >
<br />> >
</blockquote>
<br />> <b>------- End of Original Message
-------</b>
<br />>
</font>
<br /><b>------- End of Original Message
-------</b>
<br />
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