[AusNOG] Optus routing/internet issues

David Brown david.brown at nexthop.com.au
Fri Jun 24 15:03:25 AEST 2022 

Optus/Singtel definitely had some route filtering problems, made more pronounced if you were announcing more specific routes into peering exchanges where HE are present.

Most people saw problems in the filtering between the following AS numbers: 7474 7473 4845 17408

In some cases Optus/Singtel were learning more specific routes for their own customers that looked like this:
7474 7473 4845 17408 6939 XXXX

David Brown | nexthop.com.au


From: AusNOG <ausnog-bounces at ausnog.net> on behalf of Luke Thompson <luke.t at tncrew.com.au>
Date: Friday, 24 June 2022 at 2:16 pm
To: Greg Lipschitz <glipschitz at summitinternet.com.au>, DaZZa <dazzagibbs at gmail.com>
Cc: AusNOG Mailing List <ausnog at ausnog.net>
Subject: Re: [AusNOG] Optus routing/internet issues


Looks like a bunch of people reporting issues, and aside from planned works Optus implying that all's well.

Back and forth: https://twitter.com/Optus/with_replies?lang=en

Example: https://twitter.com/JamieHevia/status/1540112933623316480
Example: https://twitter.com/SushantRathor/status/1540105372035608577

Cheers,
Luke Thompson
Chief Technical Officer

The Network Crew Pty Ltd
https://thenetworkcrew.com.au

On 24/6/2022 2:08 pm, Greg Lipschitz wrote:
One of my team found it when they started getting support calls from Optus nbn users who’s phones wouldn’t register.

I’ll see if I can dig it up.

Greg Lipschitz​
 |
Founder & CEO
 |
Summit Internet
glipschitz at summitinternet.com.au<mailto:glipschitz at summitinternet.com.au>
summitinternet.com.au<http://summitinternet.com.au>
1300 049 749<tel:1300%20049%20749>
Unit 2, 31-39 Norcal Road, Nunawading VIC 3131<https://www.google.com/maps?cid=12522583051503623677&_ga=2.149009334.1057584350.1554770858-1081443428.1554770858>
[X][cid:image001.png at 01D887DB.8D723790]
[cid:image002.png at 01D887DB.8D723790]
[Summit                              Internet]<http://summitinternet.com.au/>
[cid:image004.png at 01D887DB.8D723790]

________________________________
From: DaZZa <dazzagibbs at gmail.com><mailto:dazzagibbs at gmail.com>
Sent: Friday, June 24, 2022 1:28:09 PM
To: Greg Lipschitz <glipschitz at summitinternet.com.au><mailto:glipschitz at summitinternet.com.au>
Cc: Tomas <tomas at gibbs.dev><mailto:tomas at gibbs.dev>; AusNOG Mailing List <ausnog at ausnog.net><mailto:ausnog at ausnog.net>
Subject: Re: [AusNOG] Optus routing/internet issues

hey Greg.

Seems to have come good now - at least for me.

Good that they at least admitted it. I'm not a twitter user - where did you find this announcement?

Thanks

Darren

On Fri, 24 Jun 2022 at 13:11, Greg Lipschitz <glipschitz at summitinternet.com.au<mailto:glipschitz at summitinternet.com.au>> wrote:
Hi Darren

They have popped some stuff on Twitter about it. It seems they’re aware of it.

Greg

Greg Lipschitz​
 |
Founder & CEO
 |
Summit Internet
glipschitz at summitinternet.com.au<mailto:glipschitz at summitinternet.com.au>
summitinternet.com.au<https://aus01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsummitinternet.com.au%2F&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C408f277112fb4f7bf9e108da5591a772%7C0838a12f226e43dfa6e4bb63d2643a7e%7C1%7C0%7C637916381324560103%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=dnw3IPpoPGdW7GaSa4lKQ3QKXsKXXTmVtyi2UKjsK4s%3D&reserved=0>
1300 049 749<tel:1300%20049%20749>
Unit 2, 31-39 Norcal Road, Nunawading VIC 3131<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Fmaps%3Fcid%3D12522583051503623677%26_ga%3D2.149009334.1057584350.1554770858-1081443428.1554770858&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C408f277112fb4f7bf9e108da5591a772%7C0838a12f226e43dfa6e4bb63d2643a7e%7C1%7C0%7C637916381324560103%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=RERQAPdWPhOl%2B7CPKT9uksSTMmSTr31%2B%2FL0O7y5uR0k%3D&reserved=0>
[X][cid:image001.png at 01D887DB.8D723790]
[cid:image002.png at 01D887DB.8D723790]
[Summit                                      Internet]<https://aus01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsummitinternet.com.au%2F&data=05%7C01%7Cglipschitz%40summitinternet.com.au%7C408f277112fb4f7bf9e108da5591a772%7C0838a12f226e43dfa6e4bb63d2643a7e%7C1%7C0%7C637916381324560103%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=dnw3IPpoPGdW7GaSa4lKQ3QKXsKXXTmVtyi2UKjsK4s%3D&reserved=0>
[cid:image004.png at 01D887DB.8D723790]

________________________________
From: AusNOG <ausnog-bounces at ausnog.net<mailto:ausnog-bounces at ausnog.net>> on behalf of Tomas <tomas at gibbs.dev<mailto:tomas at gibbs.dev>>
Sent: Friday, June 24, 2022 1:08:14 PM
To: DaZZa <dazzagibbs at gmail.com<mailto:dazzagibbs at gmail.com>>
Cc: AusNOG Mailing List <ausnog at ausnog.net<mailto:ausnog at ausnog.net>>
Subject: Re: [AusNOG] Optus routing/internet issues

Hey Darren,

Yeah your not the only one, I've been seeing weird issues with anything on the Optus network this morning.

Regards
Tomas

On 24 June 2022 1:01 pm, DaZZa <dazzagibbs at gmail.com<mailto:dazzagibbs at gmail.com>> wrote:

Greetings learned folk.

I'm hesitant to send this, as it's very imprecise, so I apologise to
anyone who gets annoyed at someone obviously groping in the dark, but
here goes...

Is anyone seeing routing or traffic issues with Optus services today?
I have an Optus service which appears to be only partially advertising
my BPG somehow - resulting in very intermittent inbound traffic.The
advertisements seem right, the BGP peering is up, the routes are
advertised - the only hard indicator is that the Optus link is
carrying much less traffic than is usual for this time of day.

Traces inbound are showing paths via my secondary link which shouldn't
be happening (BGP advertising is setup to direct the majority of
traffic - except for the second link's peers - through the primary)
from some locations overseas and through the Optus link

Attempts to log a fault with Optus have resulted in much frustration
and head banging on desk - however I have an anecdotal comment from
one of the Optus people I have got some sense out that they have been
hearing of a lot of issues with internet services today.

Anyone seeing anything that might match this depressingly nebulous
fault description? I know there's not a lot of information, but I
don't have a lot more other than people can't connect to various IP's
in my advertised block, and some traceroutes which are less than
informative.

Thanks to anyone who can shed any light.

Darren
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