Re: Arista Switches rebooting

2020-05-05 Thread Chris via NANOG
Hi, On 5/5/20 4:02 am, Ethan O'Toole wrote: We found a bug on the 64 port x 100gig model that if you insert a quad twinax 10gig fanout cable in many of the ports it will trigger a reboot. Timing, seems like there is a similar issue for Juniper QFX51110-48S devices, just saw PR 1499422: This

Re: Arista Switches rebooting

2020-05-05 Thread Brandon Martin
On 5/5/20 2:09 AM, Saku Ytti wrote: I2C is a pretty terrible bus, particularly if you try to actually hang everything off of a single I2C bus, single misbehaving speaker and you might get your power supplies offline. Hopefully we'll move to I3C or 10SPE Ethernet soon. Or maybe some sort of I2C sw

Re: Arista Switches rebooting

2020-05-05 Thread Vincent Bernat
❦ 5 mai 2020 09:09 +03, Saku Ytti: >> We found a bug on the 64 port x 100gig model that if you insert a quad >> twinax 10gig fanout cable in many of the ports it will trigger a reboot.I > > I've seen a similar issue in another vendor, where specific SFP > inserted would reload the linecard. This

Re: Arista Switches rebooting

2020-05-04 Thread Saku Ytti
On Mon, 4 May 2020 at 23:06, Ethan O'Toole wrote: > We found a bug on the 64 port x 100gig model that if you insert a quad > twinax 10gig fanout cable in many of the ports it will trigger a reboot.I I've seen a similar issue in another vendor, where specific SFP inserted would reload the linecar

Re: Arista Switches rebooting

2020-05-04 Thread Ethan O'Toole
Did you contact the vendor and did they commit to a fix? I can't imagine a vendor not wanting to fix an easily reproducible bug such as this. It was a while ago, and the vendor was aware of the issue. Arista had the info on which specific ports would accept the cable. An interesting moment w

Re: Arista Switches rebooting

2020-05-04 Thread Bryan Fields
On 5/4/20 4:02 PM, Ethan O'Toole wrote: > We found a bug on the 64 port x 100gig model that if you insert a quad > twinax 10gig fanout cable in many of the ports it will trigger a reboot. > > Some select ports are okay and supported, but the ones that are not would > trigger a reset. Issue was i

Re: Arista Switches rebooting

2020-05-04 Thread Ethan O'Toole
Hi, Has anyone had issues with Arista switches rebooting out of the blue, when there isn't even a sufficient load on them to be a CPU or memory issue? We have a couple Arista 7280s both SR and CR that have had this behaviour, this is the second time we see this issue and just wanted to s

Re: Arista Switches rebooting

2020-05-04 Thread Saku Ytti
On Mon, 4 May 2020 at 21:57, Matthew Petach wrote: > As the process size in fabrication gets smaller and smaller, it takes less > and less energy hitting a device to cause spurious events like these. Agreed. However in this case it was not a single-event upset (or multi-event upset) but timing

Re: Arista Switches rebooting

2020-05-04 Thread Matthew Petach
; *From:* Ariel Biener > *Sent:* Monday, May 4, 2020 9:31 AM > *To:* Javier Gutierrez Guerra ; nanog@nanog.org > *Subject:* Re: Arista Switches rebooting > > > > *CAUTION: *This email is from an external source. Do not click links or > open

RE: Arista Switches rebooting

2020-05-04 Thread Javier Gutierrez Guerra
Guerra ; nanog@nanog.org Subject: Re: Arista Switches rebooting CAUTION: This email is from an external source. Do not click links or open attachments unless you recognize the sender and know the content is safe. Eos version? From: NANOG mailto:nanog-boun

RE: Arista Switches rebooting

2020-05-04 Thread Javier Gutierrez Guerra
From: Ariel Biener Sent: Monday, May 4, 2020 9:31 AM To: Javier Gutierrez Guerra ; nanog@nanog.org Subject: Re: Arista Switches rebooting CAUTION: This email is from an external source. Do not click links or open attachments unless you recognize the sender and know the content is safe. Eos v

Re: Arista Switches rebooting

2020-05-04 Thread Saku Ytti
Hey Javier, > Has anyone had issues with Arista switches rebooting out of the blue, when > there isn't even a sufficient load on them to be a CPU or memory issue? > We have a couple Arista 7280s both SR and CR that have had this behaviour, > this is the second time we see th

Arista Switches rebooting

2020-05-04 Thread Javier Gutierrez Guerra
Hi, Has anyone had issues with Arista switches rebooting out of the blue, when there isn't even a sufficient load on them to be a CPU or memory issue? We have a couple Arista 7280s both SR and CR that have had this behaviour, this is the second time we see this issue and just wanted to s