[c-nsp] ASR 9000 Upgrade Expectations

Nick Hilliard nick at foobar.org
Thu Jul 14 06:10:53 EDT 2016


James Bensley wrote:
> Or if you are erasing and installing from fresh on the new version,
> then the box is down for pretty much the whole 2 hours.

turboboot is not necessarily a bad idea if you're doing jumps from one
major version to the next or even 4.3 to 6.0.  The turboboot process
will add 30-40 minutes to the overall time schedule, but at least you
end up with a clean slate afterwards.

Regardless of what way you go about it, you need to make sure that the
tftp server is local.  Otherwise the crappy tftp implementation in the
bootrom will take ages due to ping-pong and there's no option for doing
this over tcp.

Nick


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