RE: Data Center Shutdown Procedure

Thanks James.
We are running two boxes in east coast and two in west coast.Is there a
procedure for proper shutdown of VSS switches?Regards,Yuri

> From: jb.poplawski_at_gmail.com
> Date: Wed, 30 Oct 2013 16:48:21 -0700
> Subject: Re: Data Center Shutdown Procedure
> To: ebay_products_at_hotmail.com
> CC: ccielab_at_groupstudy.com
>
> My thoughts.
>
> Spanning tree will converge to what your running now. If it's running
> in prod and you saved your configs you'll be fine.
>
> The only one I can think of is VSS. Are you running two boxes in east
> coast and two in west coast. Or are you running one in one coast and
> one in the other? VSS can come up in a funky state, which is the
> master versus slave, but it's not going to blow things up. It's just a
> matter of who has the brains (ie running config).
>
> Typically when we have a shutdown, we save configs manually (dump them
> to a laptop/desktop). The only one were mindful of is our WAAS
> appliance because it's running a VB. Everything else is solid. This is
> even more of a precaution of our nightly kiwi backups.
>
> Another worry is working with electrical parts. The time stuff tends
> to break is when the power flips on. Do lightbulb tend to break when
> they're running for 8 hours or when you turn the power on? :)
>
> Another consideration would be BGP. Neighbors that are up the longest
> tends to win via the oldest route resident in best path selection.
>
> Hope this helps buddy, good luck!
> JB
>
> Sent from my iPhone
>
> > On Oct 30, 2013, at 4:07 PM, Cisco Fanatic <ebay_products_at_hotmail.com>
wrote:
> >
> > ALL -
> >
> > We have 2 data centers across coast to coast. We are power shutting down
1
> > data center for 12hrs.
> >
> > We have 6500 (Core) running VSS, Nexus switches, 4500 switches, 3750
switches
> > to name a few.
> >
> > Now the question is - should we physically shut down the switches and
> > routers?
> >
> > My concern is that once the power comes up and if the switch have to be
> > physically rebooted again, the problem is that spanning tree will not
> > reconverge or we might have a network meltdown.
> >
> > What will someone recomemend in this situation?
> >
> > Yuri
> >
> >
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Received on Wed Oct 30 2013 - 18:54:00 ART