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] <mailto:[email protected]> lW mothership.co.nz 
<http://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 <http://www.comvergence.com.au/> 
> Level 2, 38-40 Garden Street, South Yarra, VIC 3141
> 
> 
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