[c-nsp] EOS/EOL for the 7500 platform

[Rodney Dunn]

It broke a lot but it worked more than it broke.

If it didn't I probably wouldn't be at Cisco. :)

The 12.2S fiasco was simply a bad decision to even start over there.


On Sat, Dec 16, 2006 at 10:24:40AM -0500, Jon Lewis wrote:
> On Sat, 16 Dec 2006, Gert Doering wrote:
> 
> > Still, our single 7507 caused *SO* much trouble (OIR crashes, VIP memory
> > issues, packet drops due to wrong packet path, weird software support in
> > 12.0S/12.2S, etc.) that we decided to decommission it last year - and
> > we didn't miss it.
> 
> We too had a variety of weird issues (mostly apparently dCEF bugs) with 
> 12.2S on the 7500, most often resulting in IP connectivity being broken 
> for certain very specific source/dest pairs or impacting certain MPLS 
> VPNs.  The usual fix was "conf t, ip cef, long pause, ip cef dist".  We 
> shut down our last 7500 two months ago.  It had wigged out a couple weeks 
> before our planned shut down, so we just left dcef off.
> 
> We replaced the 7500s in our data center with 6509s for the ethernet 
> connections and 7200s for the leased lines nearly two years ago.
> 
> ----------------------------------------------------------------------
>   Jon Lewis                   |  I route
>   Senior Network Engineer     |  therefore you are
>   Atlantic Net                |
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