[j-nsp] Force a reboot from the serial console?

[James Bensley]

On 31 May 2018 at 18:04, Chris Adams <cma at cmadams.net> wrote:
> I had an MX80 crash (insert sad face here) - worse problem was that it
> did a crash dump and then did NOT reboot.  I have out-of-band serial
> access to the console, so I could see that, after the dump completed, it
> just printed:
>
> watchdog: scheduling fairness gone for 240 seconds now.
>
> every 20 seconds (with the seconds count increasing).  I had to open a
> remote-hands ticket to get it power cycled.
>
> Is there any way to for a reboot at that point?  Like, on old Sun
> servers, sending a BREAK followed by certain other keys could get to the
> firmware and hard-reboot the system, even with the OS was fubar.  Is
> there anything like that on a Juniper?

Some network devices don't even have console ports or OOB IP MGMT
ports etc. so for this reasons we deploy PDUs with remote power
cycling. We can hard power cycle a crashed device. I strongly
recommend this.

Cheers,
James.