[c-nsp] 7500 to 7600 upgrades

[Jon Lewis]

On Thu, 18 Jan 2007, Hank Nussbacher wrote:

> We upgraded 2 7500s to 2 7613s with SUP720-3BXL.  We ordered 4 eFlexwan
> 2-port cards on each so that we could take out the PA-E3, PA-T3 and
> PA-POS-OC3 cards from the 7500s and put them straight into the 7600s.
> Bad move.  In the end we had to RMA *10* eFlexwan cards - sometimes the
> same card 2-3 times since it might arrive DOA or fail within a day.
>
> The eFlexwans are now stable but that doesn't mean I would not put a
> special emphasis on this when doing a migration.

We transitioned from 7500s to 6509/7600's about 2 years ago.  We've kept 
the DS3s on 7206's though and avoided doing anything but ethernet on the 
switches.

----------------------------------------------------------------------
  Jon Lewis                   |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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