[c-nsp] Migrate 6500 to 7600

[Mateusz Blaszczyk]

> Also the STP bridge ID changes, since it's also the "base MAC address".

That one is worth noting.

> 
> >  ifindex changes? 
> 
> I think, but am not sure, that the "ifindex persist" in configuration
> and the resulting persistent data on flash will survive between
> chassis'.

Would have to get keep track of it after upgrade.

> When we have swapped things like this we have always completely
> redefined the device, i.e. new name, new entries in
> management/measurement tools et cetera. Running SXF means there's a
> great deal of service alignment between the two platforms (if not
> complete), but I personally wouldn't consider swapping chassis to a
> different model a simple "replacement" task.
> 

I know that this is a highly complex job. There are however some
contraints within which I have to work e.g. "make it work as if nothing
happened". Unfortunately I cannot test drive it in the lab for a few
days, but I can take it out of production and prepare it during a day,
making sure that all features work as expected.

Best Regards.

-mat

-- 
Mateusz Blaszczyk

pgp-key 0x64643FCE
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