If you have VIP2-10 or 15s you may need to upgrade the memory on those cards
when updating to 12.
http://www.cisco.com/warp/public/770/fn4489_05141999.html
> -----Original Message-----
> From: John Neiberger [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, October 18, 2000 9:40 AM
> To: [EMAIL PROTECTED]
> Subject: Slightly OT: Stable IOS versions, 12.1?
>
>
> We are currently running 11.2(17) on our 7513 backbone router
> and we're
> going to be upgrading to 12 in the near future. After
> examining the bug
> reports I initially picked 12.0(12) since it looked pretty
> stable. However,
> 12.0 does not have some nifty features that we like, especially the
> "grep"-like command "include" and the ability to pipe show commands.
>
> We are now putting 12.1(4) on our branch routers (2620s) but
> I was wondering
> if anyone had any experience, good or bad, with 12.1 on a 7500 series
> router. We need error-free performance with EIGRP, DLSw+,
> IP, IPX, WFQ,
> ATM.
>
> I'm a little hesitant to put the latest IOS on our backbone
> router, but from
> the looks of it, 12.1(4) might be a better choice than
> 12.0(12), but it
> seems like upgrading the IOS on a Cisco router is a crap
> shoot; you just
> pray that the bugs of that particular version don't hurt you TOO much.
>
> Ok, I'll quit rambling and go get some more coffee. Any input will be
> gladly accepted.
>
> -- John
>
>
>
>
>
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