The more relevant question is. Why was mitigation implemented after the last
time this happened.
--
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> On 23 Sep 2020, at 4:58 pm, Abhi Gudidevuni <[email protected]> wrote:
>
>
> Hi Ryan,
>
> The Sydney Mega IX experienced a customer initiated broadcast storm. We are
> investigating mitigation actions. If you have not already, please lodge a
> support request and the team will provide a report.
>
> Regards,
>
> --
> Abhi Gudidevuni
> Head of Customer & Network Services
>
>
>> On Wed, Sep 23, 2020 at 4:37 PM Karl Hardisty <[email protected]> wrote:
>> Hi Ryan,
>>
>> You’re a little late to the party; there was an ARP storm on Mega-IX Sydney
>> yesterday.
>>
>> Much hilarity ensued. Particularly if peers had default Juniper ARP
>> policers.
>>
>> TL:DR it wasn’t just you. It was most of Au and NZ (sucking at the teat of
>> MegaIX in Sydney).
>>
>> Kind regards,
>>
>> Karl
>>
>> lE [email protected] lW mothership.co.nz lA PO Box 99814, Newmarket lM
>> 021 999 990 lP 09 974 3171
>>
>>
>>
>>
>>
>>> On 23/09/2020, at 6:32 PM, Ryan van Klaveren
>>> <[email protected]> wrote:
>>>
>>> Hey all,
>>>
>>> Did anyone else experience any irregularities yesterday (22 Sept) between
>>> 10:39am - 11:50am ? (I know that sounds a bit vague) - but this is what we
>>> experienced during this window:
>>>
>>> * Our nameservers failing to do resolution
>>> * Sydney transit routers had BGP flaps to IX NSW peers
>>> * Sydney ASR router generated 143 logs of: PUNT_INJECT-5-DROP_PUNT_CAUSE:
>>> punt cause policer drop packet casue 7 (ARP request or response)
>>>
>>> Spoke to IX, who said:
>>> "Yep we did, yesterday another IX had an outage (I believe a broadcast
>>> storm occurred) around the timestamps in your logs, a number of our members
>>> that had remote ends also connected to the other IX were affected by that
>>> outage and that is likely the reason for their session to flap towards us"
>>>
>>>
>>> Just trying to see if anyone else experienced it, and better yet have any
>>> more details as to what may have caused it?
>>>
>>>
>>>
>>> Kind regards,
>>> Ryan van Klaveren
>>>
>>> Main: 1300 550 125
>>> Fax: 1300 550 121
>>>
>>>
>>> www.comvergence.com.au
>>> Level 2, 38-40 Garden Street, South Yarra, VIC 3141
>>>
>>>
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