Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-24 Thread Brad Evans 
Hi All,

It seems HE is now on Equinix Exchange (Sydney).  

Unfortunately another exchange where we can't advertise prefixes to them due to 
TPG routing via the US.

-Brad


-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Warren Bold 
| Polyfone Telecom Pty Ltd
Sent: Thursday, 11 January 2018 3:02 PM
To: Paul Holmanskikh ; ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

Did HE also join Megaport?   They joined IX-AU and it jumped up to 50K routes 
from 14K

Kind regards

Warren Bold

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Paul 
Holmanskikh
Sent: Thursday, 11 January 2018 4:00 PM
To: ausnog@lists.ausnog.net
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney suddenly jumped 
to 40493.
At lest 100% grow.  Any ideas what happened.


as_path count
36351   945
4739909
9443658


--
NEXON - I.T. FOR THE DYNAMIC BUSINESS
Paul Holmanskikh
Senior Network Engineer

Disclaimer: The contents of this email represent my own views and not 
necessarily the views of my employer 
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Jim Woodward 

On 12-01-2018 09:30, Philip Loenneker wrote:

If you want to force routing to go a particular way, there is only one
sure-fire way to do that… advertise smaller subnets via your
preferred path.


Or at least advertise the smallest subnets that you're upstream carrier 
will take, Ran into this issue many years ago, ended up prepending 
advertised routes to get traffic to take the path desired where 
possible.


Your mileage always varies depending on scalability and balancing the 
risk of the path taking a far less optimal path to you in the event of 
an transit failure, the joys of traffic engineering.




Kind Regards,
Jim.


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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Matthew Moyle-Croft 
Ask them for a bilateral session then do something evil like put 7545 in
the path :)

On Thu, Jan 11, 2018 at 4:03 PM, John Alexander 
wrote:

> That's what I've done for the time being, it would be just good to
> actually use HE but anyway...
>
> On 01/12/2018 11:01 AM, Matthew Moyle-Croft wrote:
>
> https://www.megaport.com/blog/fine-tuning-route-advertisements/
>
> .. has at least how to block advertisements TO peers on the MP RS. That
> should at least stop any bad latency issues even if it does mean not being
> able to use the HE routes.
>
> On Thu, Jan 11, 2018 at 3:36 PM, John Alexander 
> wrote:
>
>> That's what I'd like to do, but TPG don't peer at NSW-IX or Megaport for
>> that matter.  They are only at Pipe, unless they are secretly there and
>> don't tell anyone...
>>
>> On 01/12/2018 10:33 AM, Mark Newton wrote:
>>
>> Bilateral peering with TPG over the NSW-IX fabric should fix that.
>>
>>   - mark
>>
>> On Jan 12, 2018, at 7:46 AM, John Alexander 
>> wrote:
>>
>> With this, does anyone know of a way of keeping HE routes, but excluding
>> a specific one, namely TPG 7545 which is a direct customer of HE. Traffic
>> from them goes from Syd -> LA -> Syd -> he peering -> me.  I'd prefer to
>> just make them stay at home so to speak instead of going around the world.
>> We don't peer at Pipe which would be the only other place to connect to tpg.
>>
>> John
>>
>> On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:
>>
>> I assume it was Hurricane Electric...IPv6 routes are now at 21843 too
>>
>> Nathan
>>
>> -Original Message-
>> From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net 
>> ] On Behalf Of Paul Holmanskikh
>> Sent: Thursday, 11 January 2018 5:00 PM
>> To: ausnog@lists.ausnog.net
>> Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes
>>
>> G'day,
>>
>> Number of prefixes we are receiving from Megaport IX in Sydeney suddenly 
>> jumped to 40493.
>> At lest 100% grow.  Any ideas what happened.
>>
>>
>> as_path  count
>> 36351945
>> 4739 909
>> 9443 658
>>
>>
>>
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>> http://lists.ausnog.net/mailman/listinfo/ausnog
>>
>>
>>
>>
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>>
>
>
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread John Alexander 
That's what I've done for the time being, it would be just good to 
actually use HE but anyway...



On 01/12/2018 11:01 AM, Matthew Moyle-Croft wrote:

https://www.megaport.com/blog/fine-tuning-route-advertisements/

.. has at least how to block advertisements TO peers on the MP RS. 
That should at least stop any bad latency issues even if it does mean 
not being able to use the HE routes.


On Thu, Jan 11, 2018 at 3:36 PM, John Alexander > wrote:


That's what I'd like to do, but TPG don't peer at NSW-IX or
Megaport for that matter. They are only at Pipe, unless they are
secretly there and don't tell anyone...


On 01/12/2018 10:33 AM, Mark Newton wrote:

Bilateral peering with TPG over the NSW-IX fabric should fix that.

  - mark


On Jan 12, 2018, at 7:46 AM, John Alexander
mailto:jo...@wideband.net.au>> wrote:

With this, does anyone know of a way of keeping HE routes, but
excluding a specific one, namely TPG 7545 which is a direct
customer of HE. Traffic from them goes from Syd -> LA -> Syd ->
he peering -> me.  I'd prefer to just make them stay at home so
to speak instead of going around the world.  We don't peer at
Pipe which would be the only other place to connect to tpg.

John


On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:

I assume it was Hurricane Electric...IPv6 routes are now at 21843 too

Nathan

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net
] On Behalf Of Paul Holmanskikh
Sent: Thursday, 11 January 2018 5:00 PM
To:ausnog@lists.ausnog.net 
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney suddenly 
jumped to 40493.
At lest 100% grow.  Any ideas what happened.


as_path count
36351   945
4739909
9443658



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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Matthew Moyle-Croft 
https://www.megaport.com/blog/fine-tuning-route-advertisements/

.. has at least how to block advertisements TO peers on the MP RS. That
should at least stop any bad latency issues even if it does mean not being
able to use the HE routes.

On Thu, Jan 11, 2018 at 3:36 PM, John Alexander 
wrote:

> That's what I'd like to do, but TPG don't peer at NSW-IX or Megaport for
> that matter.  They are only at Pipe, unless they are secretly there and
> don't tell anyone...
>
> On 01/12/2018 10:33 AM, Mark Newton wrote:
>
> Bilateral peering with TPG over the NSW-IX fabric should fix that.
>
>   - mark
>
> On Jan 12, 2018, at 7:46 AM, John Alexander  wrote:
>
> With this, does anyone know of a way of keeping HE routes, but excluding a
> specific one, namely TPG 7545 which is a direct customer of HE. Traffic
> from them goes from Syd -> LA -> Syd -> he peering -> me.  I'd prefer to
> just make them stay at home so to speak instead of going around the world.
> We don't peer at Pipe which would be the only other place to connect to tpg.
>
> John
>
> On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:
>
> I assume it was Hurricane Electric...IPv6 routes are now at 21843 too
>
> Nathan
>
> -Original Message-
> From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net 
> ] On Behalf Of Paul Holmanskikh
> Sent: Thursday, 11 January 2018 5:00 PM
> To: ausnog@lists.ausnog.net
> Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes
>
> G'day,
>
> Number of prefixes we are receiving from Megaport IX in Sydeney suddenly 
> jumped to 40493.
> At lest 100% grow.  Any ideas what happened.
>
>
> as_path   count
> 36351 945
> 4739  909
> 9443  658
>
>
>
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>
>
>
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread John Alexander 
That's what I'd like to do, but TPG don't peer at NSW-IX or Megaport for 
that matter.  They are only at Pipe, unless they are secretly there and 
don't tell anyone...



On 01/12/2018 10:33 AM, Mark Newton wrote:

Bilateral peering with TPG over the NSW-IX fabric should fix that.

  - mark

On Jan 12, 2018, at 7:46 AM, John Alexander > wrote:


With this, does anyone know of a way of keeping HE routes, but 
excluding a specific one, namely TPG 7545 which is a direct customer 
of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering -> 
me. I'd prefer to just make them stay at home so to speak instead of 
going around the world.  We don't peer at Pipe which would be the 
only other place to connect to tpg.


John


On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:

I assume it was Hurricane Electric...IPv6 routes are now at 21843 too

Nathan

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Paul 
Holmanskikh
Sent: Thursday, 11 January 2018 5:00 PM
To:ausnog@lists.ausnog.net
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney suddenly jumped 
to 40493.
At lest 100% grow.  Any ideas what happened.


as_path count
36351   945
4739909
9443658



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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Mark Newton 
Bilateral peering with TPG over the NSW-IX fabric should fix that.

  - mark

> On Jan 12, 2018, at 7:46 AM, John Alexander  wrote:
> 
> With this, does anyone know of a way of keeping HE routes, but excluding a 
> specific one, namely TPG 7545 which is a direct customer of HE. Traffic from 
> them goes from Syd -> LA -> Syd -> he peering -> me.  I'd prefer to just make 
> them stay at home so to speak instead of going around the world.  We don't 
> peer at Pipe which would be the only other place to connect to tpg.
> 
> John
> 
> On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:
>> I assume it was Hurricane Electric...IPv6 routes are now at 21843 too
>> 
>> Nathan
>> 
>> -Original Message-
>> From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net 
>> ] On Behalf Of Paul Holmanskikh
>> Sent: Thursday, 11 January 2018 5:00 PM
>> To: ausnog@lists.ausnog.net 
>> Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes
>> 
>> G'day,
>> 
>> Number of prefixes we are receiving from Megaport IX in Sydeney suddenly 
>> jumped to 40493.
>> At lest 100% grow.  Any ideas what happened.
>> 
>> 
>> as_path  count
>> 36351945
>> 4739 909
>> 9443 658
>> 
>> 
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Philip Loenneker 
If you want to force routing to go a particular way, there is only one 
sure-fire way to do that… advertise smaller subnets via your preferred path.

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Philip 
Loenneker
Sent: Friday, 12 January 2018 9:17 AM
To: McDonald Richards ; ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes


This sender failed our fraud detection checks and may not be who they appear to 
be. Learn about spoofing<http://aka.ms/LearnAboutSpoofing>

Feedback<http://aka.ms/SafetyTipsFeedback>

I was referring to the BGP route selection rules. But as someone else pointed 
out, there are things like local pref that they can use, which falls within 
those rules…

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of McDonald 
Richards
Sent: Friday, 12 January 2018 9:14 AM
To: ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

Pretty sure there are no rules

On Fri, Jan 12, 2018 at 9:08 AM, Philip Loenneker 
mailto:philip.loenne...@tasmanet.com.au>> 
wrote:
Traffic engineering is difficult when people don’t play by the rules…

Perhaps using the HE community strings which Jacob suggested would be more 
helpful – you may be able to prevent HE advertising your subnets to TPG. Unless 
NSW-IX remove all community strings when they go to peers….

From: AusNOG 
[mailto:ausnog-boun...@lists.ausnog.net<mailto:ausnog-boun...@lists.ausnog.net>]
 On Behalf Of John Alexander
Sent: Friday, 12 January 2018 9:04 AM
To: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>

Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes


I tried this, with 3:6939 which added 3 prepends to he (which I could see at 
HE's LG) but TPG still preferred to send traffic via he rather than transit, 
even though the path was longer...

ughhh

On 01/12/2018 08:52 AM, Philip Loenneker wrote:

Note that you can also use BGP communities to adjust how the IX advertises your 
subnets to individual peers using the documentation here:

https://www.ix.asn.au/peering-technical/

Unfortunately you can't set a community of 0:7545 to avoid advertising your 
routes to TPG, as they aren't the direct peer - you would need to block 
advertising to HE using 0:6427. It may be sufficient for you to prepend the 
routes being advertised to HE, using 3:6427, to reduce the amount of traffic 
taking that path, but still keeping it available.



-Original Message-

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Bill Walker

Sent: Friday, 12 January 2018 8:11 AM

To: John Alexander <mailto:jo...@wideband.net.au>

Cc: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>

Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes



Filter based on the AS Path?



If the path is:



You <- 58941 <- 6427 <- 7545



You <- MegaIXSyd <- HE <- TPG



In the Cisco world, I would use



ip as-path access-list 10 deny ^58941_6427_7545$



(The ASN's here may not be exactly what is in use, you will need to check your 
received prefixes)



On 2018-01-12 09:46, John Alexander wrote:

With this, does anyone know of a way of keeping HE routes, but

excluding a specific one, namely TPG 7545 which is a direct customer

of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->

me.  I'd prefer to just make them stay at home so to speak instead of

going around the world.  We don't peer at Pipe which would be the only

other place to connect to tpg.



John



On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:



I assume it was Hurricane Electric...IPv6 routes are now at 21843 too



Nathan



-Original Message-

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of

Paul Holmanskikh

Sent: Thursday, 11 January 2018 5:00 PM

To: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>

Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of

prefixes



G'day,



Number of prefixes we are receiving from Megaport IX in Sydeney

suddenly jumped to 40493.

At lest 100% grow.  Any ideas what happened.



as_pathcount

36351945

4739909

9443658

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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Philip Loenneker 
I was referring to the BGP route selection rules. But as someone else pointed 
out, there are things like local pref that they can use, which falls within 
those rules…

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of McDonald 
Richards
Sent: Friday, 12 January 2018 9:14 AM
To: ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

Pretty sure there are no rules

On Fri, Jan 12, 2018 at 9:08 AM, Philip Loenneker 
mailto:philip.loenne...@tasmanet.com.au>> 
wrote:
Traffic engineering is difficult when people don’t play by the rules…

Perhaps using the HE community strings which Jacob suggested would be more 
helpful – you may be able to prevent HE advertising your subnets to TPG. Unless 
NSW-IX remove all community strings when they go to peers….

From: AusNOG 
[mailto:ausnog-boun...@lists.ausnog.net<mailto:ausnog-boun...@lists.ausnog.net>]
 On Behalf Of John Alexander
Sent: Friday, 12 January 2018 9:04 AM
To: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>

Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes


I tried this, with 3:6939 which added 3 prepends to he (which I could see at 
HE's LG) but TPG still preferred to send traffic via he rather than transit, 
even though the path was longer...

ughhh

On 01/12/2018 08:52 AM, Philip Loenneker wrote:

Note that you can also use BGP communities to adjust how the IX advertises your 
subnets to individual peers using the documentation here:

https://www.ix.asn.au/peering-technical/

Unfortunately you can't set a community of 0:7545 to avoid advertising your 
routes to TPG, as they aren't the direct peer - you would need to block 
advertising to HE using 0:6427. It may be sufficient for you to prepend the 
routes being advertised to HE, using 3:6427, to reduce the amount of traffic 
taking that path, but still keeping it available.



-Original Message-

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Bill Walker

Sent: Friday, 12 January 2018 8:11 AM

To: John Alexander <mailto:jo...@wideband.net.au>

Cc: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>

Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes



Filter based on the AS Path?



If the path is:



You <- 58941 <- 6427 <- 7545



You <- MegaIXSyd <- HE <- TPG



In the Cisco world, I would use



ip as-path access-list 10 deny ^58941_6427_7545$



(The ASN's here may not be exactly what is in use, you will need to check your 
received prefixes)



On 2018-01-12 09:46, John Alexander wrote:

With this, does anyone know of a way of keeping HE routes, but

excluding a specific one, namely TPG 7545 which is a direct customer

of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->

me.  I'd prefer to just make them stay at home so to speak instead of

going around the world.  We don't peer at Pipe which would be the only

other place to connect to tpg.



John



On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:



I assume it was Hurricane Electric...IPv6 routes are now at 21843 too



Nathan



-Original Message-

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of

Paul Holmanskikh

Sent: Thursday, 11 January 2018 5:00 PM

To: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>

Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of

prefixes



G'day,



Number of prefixes we are receiving from Megaport IX in Sydeney

suddenly jumped to 40493.

At lest 100% grow.  Any ideas what happened.



as_pathcount

36351945

4739909

9443658

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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Philip Loenneker 
Traffic engineering is difficult when people don’t play by the rules…

Perhaps using the HE community strings which Jacob suggested would be more 
helpful – you may be able to prevent HE advertising your subnets to TPG. Unless 
NSW-IX remove all community strings when they go to peers….

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of John 
Alexander
Sent: Friday, 12 January 2018 9:04 AM
To: ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes


I tried this, with 3:6939 which added 3 prepends to he (which I could see at 
HE's LG) but TPG still preferred to send traffic via he rather than transit, 
even though the path was longer...

ughhh

On 01/12/2018 08:52 AM, Philip Loenneker wrote:

Note that you can also use BGP communities to adjust how the IX advertises your 
subnets to individual peers using the documentation here:

https://www.ix.asn.au/peering-technical/

Unfortunately you can't set a community of 0:7545 to avoid advertising your 
routes to TPG, as they aren't the direct peer - you would need to block 
advertising to HE using 0:6427. It may be sufficient for you to prepend the 
routes being advertised to HE, using 3:6427, to reduce the amount of traffic 
taking that path, but still keeping it available.



-Original Message-

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Bill Walker

Sent: Friday, 12 January 2018 8:11 AM

To: John Alexander <mailto:jo...@wideband.net.au>

Cc: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>

Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes



Filter based on the AS Path?



If the path is:



You <- 58941 <- 6427 <- 7545



You <- MegaIXSyd <- HE <- TPG



In the Cisco world, I would use



ip as-path access-list 10 deny ^58941_6427_7545$



(The ASN's here may not be exactly what is in use, you will need to check your 
received prefixes)



On 2018-01-12 09:46, John Alexander wrote:

With this, does anyone know of a way of keeping HE routes, but

excluding a specific one, namely TPG 7545 which is a direct customer

of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->

me.  I'd prefer to just make them stay at home so to speak instead of

going around the world.  We don't peer at Pipe which would be the only

other place to connect to tpg.



John



On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:



I assume it was Hurricane Electric...IPv6 routes are now at 21843 too



Nathan



-Original Message-

From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of

Paul Holmanskikh

Sent: Thursday, 11 January 2018 5:00 PM

To: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>

Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of

prefixes



G'day,



Number of prefixes we are receiving from Megaport IX in Sydeney

suddenly jumped to 40493.

At lest 100% grow.  Any ideas what happened.



as_pathcount

36351945

4739909

9443658

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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread McDonald Richards 
Pretty sure there are no rules

On Fri, Jan 12, 2018 at 9:08 AM, Philip Loenneker <
philip.loenne...@tasmanet.com.au> wrote:

> Traffic engineering is difficult when people don’t play by the rules…
>
>
>
> Perhaps using the HE community strings which Jacob suggested would be more
> helpful – you may be able to prevent HE advertising your subnets to TPG.
> Unless NSW-IX remove all community strings when they go to peers….
>
>
>
> *From:* AusNOG [mailto:ausnog-boun...@lists.ausnog.net] *On Behalf Of *John
> Alexander
> *Sent:* Friday, 12 January 2018 9:04 AM
> *To:* ausnog@lists.ausnog.net
>
> *Subject:* Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of
> prefixes
>
>
>
> I tried this, with 3:6939 which added 3 prepends to he (which I could see
> at HE's LG) but TPG still preferred to send traffic via he rather than
> transit, even though the path was longer...
>
> ughhh
>
>
>
> On 01/12/2018 08:52 AM, Philip Loenneker wrote:
>
> Note that you can also use BGP communities to adjust how the IX advertises 
> your subnets to individual peers using the documentation here:
>
> https://www.ix.asn.au/peering-technical/
>
> Unfortunately you can't set a community of 0:7545 to avoid advertising your 
> routes to TPG, as they aren't the direct peer - you would need to block 
> advertising to HE using 0:6427. It may be sufficient for you to prepend the 
> routes being advertised to HE, using 3:6427, to reduce the amount of traffic 
> taking that path, but still keeping it available.
>
>
>
> -Original Message-
>
> From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net 
> ] On Behalf Of Bill Walker
>
> Sent: Friday, 12 January 2018 8:11 AM
>
> To: John Alexander  
>
> Cc: ausnog@lists.ausnog.net
>
> Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes
>
>
>
> Filter based on the AS Path?
>
>
>
> If the path is:
>
>
>
> You <- 58941 <- 6427 <- 7545
>
>
>
> You <- MegaIXSyd <- HE <- TPG
>
>
>
> In the Cisco world, I would use
>
>
>
> ip as-path access-list 10 deny ^58941_6427_7545$
>
>
>
> (The ASN's here may not be exactly what is in use, you will need to check 
> your received prefixes)
>
>
>
> On 2018-01-12 09:46, John Alexander wrote:
>
> With this, does anyone know of a way of keeping HE routes, but
>
> excluding a specific one, namely TPG 7545 which is a direct customer
>
> of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->
>
> me.  I'd prefer to just make them stay at home so to speak instead of
>
> going around the world.  We don't peer at Pipe which would be the only
>
> other place to connect to tpg.
>
>
>
> John
>
>
>
> On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:
>
>
>
> I assume it was Hurricane Electric...IPv6 routes are now at 21843 too
>
>
>
> Nathan
>
>
>
> -Original Message-
>
> From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net 
> ] On Behalf Of
>
> Paul Holmanskikh
>
> Sent: Thursday, 11 January 2018 5:00 PM
>
> To: ausnog@lists.ausnog.net
>
> Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of
>
> prefixes
>
>
>
> G'day,
>
>
>
> Number of prefixes we are receiving from Megaport IX in Sydeney
>
> suddenly jumped to 40493.
>
> At lest 100% grow.  Any ideas what happened.
>
>
>
> as_pathcount
>
> 36351945
>
> 4739909
>
> 9443658
>
> ___
>
> AusNOG mailing list
>
> AusNOG@lists.ausnog.net
>
> http://lists.ausnog.net/mailman/listinfo/ausnog
>
> ___
>
> AusNOG mailing list
>
> AusNOG@lists.ausnog.net
>
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>
> ___
>
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>
> AusNOG@lists.ausnog.net
>
> http://lists.ausnog.net/mailman/listinfo/ausnog
>
>
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread John Alexander 
I tried this, with 3:6939 which added 3 prepends to he (which I could 
see at HE's LG) but TPG still preferred to send traffic via he rather 
than transit, even though the path was longer...


ughhh


On 01/12/2018 08:52 AM, Philip Loenneker wrote:

Note that you can also use BGP communities to adjust how the IX advertises your 
subnets to individual peers using the documentation here:
https://www.ix.asn.au/peering-technical/
Unfortunately you can't set a community of 0:7545 to avoid advertising your 
routes to TPG, as they aren't the direct peer - you would need to block 
advertising to HE using 0:6427. It may be sufficient for you to prepend the 
routes being advertised to HE, using 3:6427, to reduce the amount of traffic 
taking that path, but still keeping it available.

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Bill Walker
Sent: Friday, 12 January 2018 8:11 AM
To: John Alexander 
Cc: ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

Filter based on the AS Path?

If the path is:

You <- 58941 <- 6427 <- 7545

You <- MegaIXSyd <- HE <- TPG

In the Cisco world, I would use

ip as-path access-list 10 deny ^58941_6427_7545$

(The ASN's here may not be exactly what is in use, you will need to check your 
received prefixes)

On 2018-01-12 09:46, John Alexander wrote:

With this, does anyone know of a way of keeping HE routes, but
excluding a specific one, namely TPG 7545 which is a direct customer
of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->
me.  I'd prefer to just make them stay at home so to speak instead of
going around the world.  We don't peer at Pipe which would be the only
other place to connect to tpg.

John

On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:


I assume it was Hurricane Electric...IPv6 routes are now at 21843 too

Nathan

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of
Paul Holmanskikh
Sent: Thursday, 11 January 2018 5:00 PM
To: ausnog@lists.ausnog.net
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of
prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney
suddenly jumped to 40493.
At lest 100% grow.  Any ideas what happened.

as_pathcount
36351945
4739909
9443658

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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Jacob Taylor 
Whoops, indeed that is the case.

It was one of the first results on Google that I found, didn't look close
enough.
Haven't had my coffee yet. :)

On Fri, Jan 12, 2018 at 8:53 AM, Jacob Taylor 
wrote:

> Won't that only work for traffic going from John's AS to TPG?
>
> His example was from TPG to their AS - If they were to implement a prefix
> list filtering on ASN, then they would preference another domestic route
> (presumably transit) but TPG would still preference HE, which would make
> for some lovely asynchronous routing.
>
> You could potentially try to influence their routing policies using their
> published communities (https://bgp.he.net/irr/as-set/AS-COMMUNITIES) or
> prepending.
>
> Regards,
> Jake
>
> On Fri, Jan 12, 2018 at 8:11 AM, Bill Walker  wrote:
>
>> Filter based on the AS Path?
>>
>> If the path is:
>>
>> You <- 58941 <- 6427 <- 7545
>>
>> You <- MegaIXSyd <- HE <- TPG
>>
>> In the Cisco world, I would use
>>
>> ip as-path access-list 10 deny ^58941_6427_7545$
>>
>> (The ASN's here may not be exactly what is in use, you will need to check
>> your received prefixes)
>>
>>
>> On 2018-01-12 09:46, John Alexander wrote:
>>
>>> With this, does anyone know of a way of keeping HE routes, but
>>> excluding a specific one, namely TPG 7545 which is a direct customer
>>> of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->
>>> me.  I'd prefer to just make them stay at home so to speak instead of
>>> going around the world.  We don't peer at Pipe which would be the only
>>> other place to connect to tpg.
>>>
>>> John
>>>
>>> On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:
>>>
>>> I assume it was Hurricane Electric...IPv6 routes are now at 21843
 too

 Nathan

 -Original Message-
 From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of
 Paul Holmanskikh
 Sent: Thursday, 11 January 2018 5:00 PM
 To: ausnog@lists.ausnog.net
 Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of
 prefixes

 G'day,

 Number of prefixes we are receiving from Megaport IX in Sydeney
 suddenly jumped to 40493.
 At lest 100% grow.  Any ideas what happened.

 as_pathcount
 36351945
 4739909
 9443658

>>> ___
>>> AusNOG mailing list
>>> AusNOG@lists.ausnog.net
>>> http://lists.ausnog.net/mailman/listinfo/ausnog
>>>
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>
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Jacob Taylor 
Won't that only work for traffic going from John's AS to TPG?

His example was from TPG to their AS - If they were to implement a prefix
list filtering on ASN, then they would preference another domestic route
(presumably transit) but TPG would still preference HE, which would make
for some lovely asynchronous routing.

You could potentially try to influence their routing policies using their
published communities (https://bgp.he.net/irr/as-set/AS-COMMUNITIES) or
prepending.

Regards,
Jake

On Fri, Jan 12, 2018 at 8:11 AM, Bill Walker  wrote:

> Filter based on the AS Path?
>
> If the path is:
>
> You <- 58941 <- 6427 <- 7545
>
> You <- MegaIXSyd <- HE <- TPG
>
> In the Cisco world, I would use
>
> ip as-path access-list 10 deny ^58941_6427_7545$
>
> (The ASN's here may not be exactly what is in use, you will need to check
> your received prefixes)
>
>
> On 2018-01-12 09:46, John Alexander wrote:
>
>> With this, does anyone know of a way of keeping HE routes, but
>> excluding a specific one, namely TPG 7545 which is a direct customer
>> of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->
>> me.  I'd prefer to just make them stay at home so to speak instead of
>> going around the world.  We don't peer at Pipe which would be the only
>> other place to connect to tpg.
>>
>> John
>>
>> On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:
>>
>> I assume it was Hurricane Electric...IPv6 routes are now at 21843
>>> too
>>>
>>> Nathan
>>>
>>> -Original Message-
>>> From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of
>>> Paul Holmanskikh
>>> Sent: Thursday, 11 January 2018 5:00 PM
>>> To: ausnog@lists.ausnog.net
>>> Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of
>>> prefixes
>>>
>>> G'day,
>>>
>>> Number of prefixes we are receiving from Megaport IX in Sydeney
>>> suddenly jumped to 40493.
>>> At lest 100% grow.  Any ideas what happened.
>>>
>>> as_pathcount
>>> 36351945
>>> 4739909
>>> 9443658
>>>
>> ___
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Philip Loenneker 
Note that you can also use BGP communities to adjust how the IX advertises your 
subnets to individual peers using the documentation here:
https://www.ix.asn.au/peering-technical/
Unfortunately you can't set a community of 0:7545 to avoid advertising your 
routes to TPG, as they aren't the direct peer - you would need to block 
advertising to HE using 0:6427. It may be sufficient for you to prepend the 
routes being advertised to HE, using 3:6427, to reduce the amount of traffic 
taking that path, but still keeping it available.

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Bill Walker
Sent: Friday, 12 January 2018 8:11 AM
To: John Alexander 
Cc: ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

Filter based on the AS Path?

If the path is:

You <- 58941 <- 6427 <- 7545

You <- MegaIXSyd <- HE <- TPG

In the Cisco world, I would use

ip as-path access-list 10 deny ^58941_6427_7545$

(The ASN's here may not be exactly what is in use, you will need to check your 
received prefixes)

On 2018-01-12 09:46, John Alexander wrote:
> With this, does anyone know of a way of keeping HE routes, but 
> excluding a specific one, namely TPG 7545 which is a direct customer 
> of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering -> 
> me.  I'd prefer to just make them stay at home so to speak instead of 
> going around the world.  We don't peer at Pipe which would be the only 
> other place to connect to tpg.
> 
> John
> 
> On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:
> 
>> I assume it was Hurricane Electric...IPv6 routes are now at 21843 too
>> 
>> Nathan
>> 
>> -Original Message-
>> From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of 
>> Paul Holmanskikh
>> Sent: Thursday, 11 January 2018 5:00 PM
>> To: ausnog@lists.ausnog.net
>> Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of 
>> prefixes
>> 
>> G'day,
>> 
>> Number of prefixes we are receiving from Megaport IX in Sydeney 
>> suddenly jumped to 40493.
>> At lest 100% grow.  Any ideas what happened.
>> 
>> as_pathcount
>> 36351945
>> 4739909
>> 9443658
> ___
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread Bill Walker 

Filter based on the AS Path?

If the path is:

You <- 58941 <- 6427 <- 7545

You <- MegaIXSyd <- HE <- TPG

In the Cisco world, I would use

ip as-path access-list 10 deny ^58941_6427_7545$

(The ASN's here may not be exactly what is in use, you will need to 
check your received prefixes)


On 2018-01-12 09:46, John Alexander wrote:

With this, does anyone know of a way of keeping HE routes, but
excluding a specific one, namely TPG 7545 which is a direct customer
of HE. Traffic from them goes from Syd -> LA -> Syd -> he peering ->
me.  I'd prefer to just make them stay at home so to speak instead of
going around the world.  We don't peer at Pipe which would be the only
other place to connect to tpg.

John

On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:


I assume it was Hurricane Electric...IPv6 routes are now at 21843
too

Nathan

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of
Paul Holmanskikh
Sent: Thursday, 11 January 2018 5:00 PM
To: ausnog@lists.ausnog.net
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of
prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney
suddenly jumped to 40493.
At lest 100% grow.  Any ideas what happened.

as_pathcount
36351945
4739909
9443658

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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-11 Thread John Alexander 
With this, does anyone know of a way of keeping HE routes, but excluding 
a specific one, namely TPG 7545 which is a direct customer of HE. 
Traffic from them goes from Syd -> LA -> Syd -> he peering -> me.  I'd 
prefer to just make them stay at home so to speak instead of going 
around the world.  We don't peer at Pipe which would be the only other 
place to connect to tpg.


John


On 01/11/2018 05:55 PM, Nathan Le Nevez wrote:

I assume it was Hurricane Electric...IPv6 routes are now at 21843 too

Nathan

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Paul 
Holmanskikh
Sent: Thursday, 11 January 2018 5:00 PM
To: ausnog@lists.ausnog.net
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney suddenly jumped 
to 40493.
At lest 100% grow.  Any ideas what happened.


as_path count
36351   945
4739909
9443658


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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-10 Thread Nathan Le Nevez 
I assume it was Hurricane Electric...IPv6 routes are now at 21843 too

Nathan

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Paul 
Holmanskikh
Sent: Thursday, 11 January 2018 5:00 PM
To: ausnog@lists.ausnog.net
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney suddenly jumped 
to 40493.
At lest 100% grow.  Any ideas what happened.


as_path count
36351   945
4739909
9443658


-- 
NEXON - I.T. FOR THE DYNAMIC BUSINESS
Paul Holmanskikh
Senior Network Engineer

Disclaimer: The contents of this email represent my own views and not 
necessarily the views of my employer
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-10 Thread Joel Nath 
Just be careful of ddos attacks leaking in via HE on the IX 

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Chris
Sent: Thursday, 11 January 2018 5:36 PM
To: Cheyne Jonstone 
Cc:  
Subject: Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

On 11/01/2018 2:28 PM, Cheyne Jonstone wrote:
> Did HE activate their peering?
> 
> Regards,
> 
> Cheyne Jonstone | VentraIP Australia
> *Executive Chairman*
> 
> mobile. +61 404 008 808
> phone. +61 3 9013 8461

See here for the NSW-IX graph showing the increase in their prefixes on January 
9:

https://metrics.ix.asn.au/dashboard/db/ix-peer?orgId=2&from=1515451464606&to=1515489471107&var-Customer=AS6939%20Hurricane%20Electric&var-polling_interval=1m&var-Device=All&var-ASN=6939

Also to note, this seems to have caused issues for NextGen, we lost a shadow 
service (the primary was not affected) at the same time. It is also obvious 
from the graph page above by changing to AS38809 that this was an issue:

https://metrics.ix.asn.au/dashboard/db/ix-peer?orgId=2&from=1515451464606&to=1515489471107&var-Customer=AS38809%20Nextgen%20Peering&var-polling_interval=1m&var-Device=All&var-ASN=38809
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-10 Thread Chris 

On 11/01/2018 2:28 PM, Cheyne Jonstone wrote:

Did HE activate their peering?

Regards,

Cheyne Jonstone | VentraIP Australia
*Executive Chairman*

mobile. +61 404 008 808
phone. +61 3 9013 8461


See here for the NSW-IX graph showing the increase in their prefixes on 
January 9:


https://metrics.ix.asn.au/dashboard/db/ix-peer?orgId=2&from=1515451464606&to=1515489471107&var-Customer=AS6939%20Hurricane%20Electric&var-polling_interval=1m&var-Device=All&var-ASN=6939

Also to note, this seems to have caused issues for NextGen, we lost a 
shadow service (the primary was not affected) at the same time. It is 
also obvious from the graph page above by changing to AS38809 that this 
was an issue:


https://metrics.ix.asn.au/dashboard/db/ix-peer?orgId=2&from=1515451464606&to=1515489471107&var-Customer=AS38809%20Nextgen%20Peering&var-polling_interval=1m&var-Device=All&var-ASN=38809
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-10 Thread Cheyne Jonstone 
Did HE activate their peering?

Regards,

Cheyne Jonstone | VentraIP Australia
*Executive Chairman*

mobile. +61 404 008 808
phone. +61 3 9013 8461

On Thu, Jan 11, 2018 at 5:03 PM, Chris  wrote:

> Most likely this is from he.net (AS6939); they also started peering on
> the IX-NSW route servers recently.
>
> On 11/01/2018 1:59 PM, Paul Holmanskikh wrote:
>
>> G'day,
>>
>> Number of prefixes we are receiving from Megaport IX in Sydeney suddenly
>> jumped to 40493.
>> At lest 100% grow.  Any ideas what happened.
>>
>>
>> as_pathcount
>> 36351945
>> 4739909
>> 9443658
>>
>>
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-10 Thread Chris 
Most likely this is from he.net (AS6939); they also started peering on 
the IX-NSW route servers recently.


On 11/01/2018 1:59 PM, Paul Holmanskikh wrote:

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney suddenly 
jumped to 40493.

At lest 100% grow.  Any ideas what happened.


as_path    count
36351    945
4739    909
9443    658



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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-10 Thread Warren Bold | Polyfone Telecom Pty Ltd 
Did HE also join Megaport?   They joined IX-AU and it jumped up to 50K routes 
from 14K

Kind regards

Warren Bold

-Original Message-
From: AusNOG [mailto:ausnog-boun...@lists.ausnog.net] On Behalf Of Paul 
Holmanskikh
Sent: Thursday, 11 January 2018 4:00 PM
To: ausnog@lists.ausnog.net
Subject: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney suddenly jumped 
to 40493.
At lest 100% grow.  Any ideas what happened.


as_path count
36351   945
4739909
9443658


-- 
NEXON - I.T. FOR THE DYNAMIC BUSINESS
Paul Holmanskikh
Senior Network Engineer

Disclaimer: The contents of this email represent my own views and not 
necessarily the views of my employer
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Re: [AusNOG] Megaport IX Sydney - Sudden grows in number of prefixes

2018-01-10 Thread Matt Perkins 

Smells of a hurricane in the air.

Matt


On 11/1/18 4:59 pm, Paul Holmanskikh wrote:

G'day,

Number of prefixes we are receiving from Megaport IX in Sydeney 
suddenly jumped to 40493.

At lest 100% grow.  Any ideas what happened.


as_path    count
36351    945
4739    909
9443    658




--
/* Matt Perkins
Direct 1300 137 379Spectrum Networks Ptd. Ltd.
Office 1300 133 299m...@spectrum.com.au
   Level 6, 350 George Street Sydney 2000
Spectrum Networks is a member of the Communications Alliance & TIO
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