[c-nsp] 6500/7600 with Sup720 opinion

[Greg Schwimer]

Beware CSCed88768 when upgrading.  You may get corrupted type-7 encrypted passwords during the upgrade. The details say this occurs 10-20% of the time.  We've seen it 100% of the time.  

If I had a dollar for every bug we've run across...

Chris Roberts wrote:

> 
>  
>
>>Basic IPv4 functionality (i.e. BGP, OSPF, netflow, acl) is 
>>rock solid on this platform.  There are some horrible IOS 
>>bugs but the only ones that have caused us issues is when 
>>we've tried something more "adventurous".  Haven't used 65xx 
>>in an MPLS environment or with v6, or NSF, or SSO etc etc and 
>>I'm sure there's issues down those lines.  But, for basic 
>>routing/switching, it's a great platform.
>>
>>    
>>
>
>We're running into some hideous bugs at the moment. Mostly memory leaks and
>such. We've had to reboot our box twice now in two weeks, and are making the
>upgrade to 12.2(18)SXD3 from SXD2 on Friday in the hopes of some resolution.
>Unfortunately both times we've not been able to get to the console or telnet
>to the box with the aim of getting some debugging out of it so I'm going to
>have a hard time getting anything from the TAC. :-(
>
>Only running basic L3 VPNs, with OSPF for the VRF routing protocol, and a
>lot of straight internet connections, nothing particularly fancy.
>
>Cheers,
>Chris.
>
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