[c-nsp] Extremely slow performing show running-config

[Justin Shore]

Dmitry Kiselev wrote:
> Hello!
> 
> On Tue, Sep 30, 2008 at 02:55:52PM +0100, David Freedman wrote:
> 
> 
>> I can tell you I have NVGEN caching enabled on 12.2SXH2a on SUP720
>>
>> router(config)#parser config ?
>>   cache  Cache the configuration
> 
> 
> It is a bit dangerous. I have seen invalid runing config output
> while parser cache enabled on RSP720 under SRC. It is really
> hard to troubleshote such problem. I spend a lot of time...
> Then just turn cache off and don't touch the TAC.
> 
> AFAIR, issue related to channel members auto-configuration
> while configure PAgP parent interface. Or something similar
> around missing cache invalidation.

Isn't it turned on by default in relatively new IOS releases?  I think 
it was added back in 12.3T sometime.  It's on by default on my Sup720s 
running SRB1.  I've never run SX so I don't know when it would have been 
added there.

Justin