I found other channels reach out to other network engineers to be effective so didn’t resort to ausnog.
> On 23 Sep 2020, at 10:41 pm, David Dunn <da...@daviddunn.com.au> wrote: > > > Hi all, > > I’d love others to provide their thoughts regarding what happened during this > time as I was quite surprised to see this not be a thread at the actual time > of occurrence. > > Multiple providers were posting network notifications at the time that there > were issues (Micron21, Zettagrid, Vultr) but no one has elaborated as to what > the actual cause of the (what appears to be) peering issues were (BGP > flapping, etc). > > Are we sure this was just limited to MegaIX Sydney? Or was it a peer doing > this over multiple Sydney based IX’s with a common peer? Who was the peer > that caused this? > > Looks like you have done your research Karl so please share 😊 > > Kind regards, > David > > From: AusNOG <ausnog-boun...@lists.ausnog.net> On Behalf Of Karl Hardisty > Sent: Wednesday, 23 September 2020 4:38 PM > To: Ryan van Klaveren <ryan.vanklave...@comvergence.com.au> > Cc: Ausnog <ausnog@lists.ausnog.net> > Subject: Re: [AusNOG] Broadcast Storm - IX NextDC S1 > > 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 k...@mothership.co.nz 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 > <ryan.vanklave...@comvergence.com.au> 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 > > Converging Tomorrow Today > Confidentiality Note: This e-mail is sent to and intended for use by the > named addressees only. It contains confidential information. If you receive > this e-mail in error, please telephone Comvergence on 1300 550 125, and then > delete this message immediately. Further, you should not disclose, print, > re-transmit, copy, store, or reveal the contents of this message to any third > party. > > _______________________________________________ > AusNOG mailing list > AusNOG@lists.ausnog.net > http://lists.ausnog.net/mailman/listinfo/ausnog > > _______________________________________________ > AusNOG mailing list > AusNOG@lists.ausnog.net > http://lists.ausnog.net/mailman/listinfo/ausnog
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