That makes no sense.  How would tripping the max prefix on a single peer cause a major outage?


On 11/8/2023 3:13 PM, DaZZa via Outages wrote:
There was definitely a major outage with Optus yesterday - not just
internet services, but mobile and landline. roughly 10 hour outage for
effectively their entire consumer network (weirdly, I have an
enterprise service which was not effected by the outage). Definitely
got hit by it - our entire corporate mobile fleet was out the whole
day.

Nobody has given a RFO yet - but I have my doubts it was just BGP
issues. That's speculation at this point.

D

On Thu, 9 Nov 2023 at 01:21, Jay Ashworth via Outages
<outages@outages.org> wrote:
Off of Facebook of all places, I hear this report that Optus had a major outage 
in Australia last night, which is believed to have been a BGP screw up 
involving Akamai:

"Nope: it was Akamai increasing their advertised prefix count from their cdn nodes 
inside the Optus network, and Optus’s configured max-prefix settings on their core bgp 
sessions from their route reflectors weren’t quite high enough and their whole network 
went down.  Someone didn’t quite think through the value for internal max-prefix 
rules.."

Anybody confirm, deny, got hit by it?

Cheers,
-- jra
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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Aaron Wendel
Chief Technical Officer
Wholesale Internet, Inc. (AS 32097)
(816)550-9030
http://www.wholesaleinternet.com
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