ike Nokia
>> or Juniper.
>>
>>
>>
>> -----Original Message-
>> From: AusNOG On Behalf Of DaZZa
>> Sent: Friday, November 17, 2023 2:38 PM
>> To: Andrew Oakeley
>> Cc: michael.beth...@australiaonline.au; Luke Thompson <
>> luk...@tn
usNOG On Behalf Of DaZZa
Sent: Friday, November 17, 2023 8:15 AM
To: Luke Thompson
Cc: michael.beth...@australiaonline.au; ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Optus downtime chat + affecting SMS verification
toTelstra?
And now Singtel have returned serve and are denying it was them.
riginal Message-
> From: AusNOG On Behalf Of DaZZa
> Sent: Friday, November 17, 2023 2:38 PM
> To: Andrew Oakeley
> Cc: michael.beth...@australiaonline.au; Luke Thompson <
> luk...@tncrew.com.au>; ausnog@lists.ausnog.net
> Subject: Re: [AusNOG] Optus downtime chat +
ia or
Juniper.
-Original Message-
From: AusNOG On Behalf Of DaZZa
Sent: Friday, November 17, 2023 2:38 PM
To: Andrew Oakeley
Cc: michael.beth...@australiaonline.au; Luke Thompson ;
ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Optus downtime chat + affecting SMS verification
toTe
u/news/2023-11-17/asx-markets-business-live-news-optus-outage-senate-inquiry/103115518
>
> -Original Message-
> From: AusNOG On Behalf Of DaZZa
> Sent: Friday, November 17, 2023 8:15 AM
> To: Luke Thompson
> Cc: michael.beth...@australiaonline.au; ausnog@lists.ausnog.ne
Behalf Of DaZZa
Sent: Friday, November 17, 2023 8:15 AM
To: Luke Thompson
Cc: michael.beth...@australiaonline.au; ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Optus downtime chat + affecting SMS verification
toTelstra?
And now Singtel have returned serve and are denying it was them.
https://www
And now Singtel have returned serve and are denying it was them.
https://www.zdnet.com/article/singtel-refutes-reports-that-its-system-upgrade-caused-optus-outage/
It's like watching kids trying to blame each other for who broke the
window with the cricket ball.
D
On Wed, 15 Nov 2023 at 11:01,
Blaming routing updates from peers is a scapegoat and never is the cause of
an outage - public BGP is the wild west and you're always getting broken
information - it's your responsibility to filter those updates and (unless
it's a zero-day poison packet bug) you only have yourself to blame if you
f
There is sometimes the option of a session reset and session restart at
a specified interval after the event has triggered. Vendor dependent of
course, but the option exists in IOS XE at least and most likely other
vendors too. This allows for a recovery once too many prefixes have
been recei
The default behaviour of the "maximum prefix" BGP feature is to bring down
the BGP session with the peer.
The alternate behaviour is to log a warning and accept a prefix.
I am not aware of an implementation that just allows "Accept up to X routes
and then don't accept any more".
That sounds logi
"Optus network received changes to routing information from an
international peering network following a software upgrade"
I note they are very careful to avoid nominating whose software upgrade.
I also note that when they say they received routing updates,
don't they limit the number of prefi
Looks like it was a software upgrade:
https://www.abc.net.au/news/2023-11-13/optus-identifies-cause-of-nationwide-outage-software-upgrade/103099902
Nothing in their media centre, just appears as a new box on their outage
response page: https://www.optus.com.au/notices/outage-response
Cheers
-
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