[c-nsp] WS-6500-SFM insertion into production box, much of an impact?

[Ben Steele]

Thanks Rubens, i'm aware of the line card requirements to operate in full
compact mode, my question i'm really interested in is during the insertion
of the module is there any dropped packets while the cards move from a Bus
switching mode to compact switching.

On Mon, Feb 9, 2009 at 12:06 PM, Rubens Kuhl <rubensk at gmail.com> wrote:

> Remember that full SFM usage requires all modules to be
> fabric-enabled. If there are any line cards that aren't fabric
> enabled, all traffic will still go thru the bus, doesn't matter if it
> is an OIR or from power-up.
>
> Your question is if this OIR stands for Online Insertion and Removal
> or for Online Insertion and Reboot... although I don't know the
> answer, what I saw over the years is that even if it doesn't require a
> reboot, you will want to do one, because any issues will have after
> that will make you wonder whether if it's due to OIR or not, so you
> will end up rebooting anyway.
>
> So, reboot while you have a planned window to do so, not when you are
> under pressure.
>
>
> Rubens
>
>
> On Sun, Feb 8, 2009 at 9:56 PM, Ben Steele <illcritikz at gmail.com> wrote:
> > Howdy,
> > I'm looking for some info on the insertion of a SFM into a live 6500(Sup2
> > obviously), can't seem to find any info on Cisco as to the consequences
> this
> > may have to traffic flowing through the Bus at the time(ie dropped packet
> > rates), and I want to know if the modules go from using Bus only
> backplane
> > to crossbar as soon as the module initiates or whether a reload would
> > actually be required for this.
> >
> > Cheers
> >
> > Ben
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