[bdNOG] Extra peer entries in HE BGP Info for our AS38592 - Solved.
Aniruddha Barua
aniruddha.barua at colbd.com
Thu Nov 24 14:50:59 BDT 2016
Dear Everyone,
Many thanks for your actions and update.
Best regards,
ANIRUDDHA BARUA
Email: aniruddha.barua at colbd.com, cto at colbd.com
---------- Original Message -----------
From: Nazmul Ahsan <xtech.net at gmail.com>
To: Aniruddha Barua <aniruddha.barua at colbd.com>
Cc: nog <nog at bdnog.org>, "Simon Sohel Baroi / Global Business / 01847102243 /" <simon.baroi at fiberathome.net>
Sent: Wed, 23 Nov 2016 22:08:40 +0600
Subject: Re: [bdNOG] Extra peer entries in HE BGP Info for our AS38592.
> 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
send
Local host: 198.32.167.3,
Local port:
40857
Foreign host:
198.32.167.29, Foreign port:
179
Nexthop:
198.32.167.3
Nexthop global:
::
Nexthop local:
::
BGP connection: non shared
network
Read 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
send
Local host: 198.32.167.3,
Local port:
43119
Foreign host:
198.32.167.108, Foreign port:
179
Nexthop:
198.32.167.3
Nexthop global:
::
Nexthop local:
::
BGP connection: non shared
network
Read thread: on Write
thread: offBest 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
202.65.168.0/24
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
> > >
> > > _______________________________________________
> > > 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
> X-press Technologies Ltd.
------- End of Original Message -------
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