[c-nsp] 7206VXR NPE-G1 Upgrade from 12.4 to 15.0 High CPU

[Chris Gotstein]

sh run all isn't a valid option.  I can do a sh run full, but that gives 
me the same config as sh run.

On 8/25/2011 7:05 AM, Andriy Bilous wrote:
> If you're still OK with reloading the box you could try 'show run all'
> with both trains and compare those. It prints out the great deal of
> defaults along with custom config and might give you a hint where to
> look next.
>
> On Tue, Aug 23, 2011 at 5:03 PM, Chris Gotstein<chris at uplogon.com>  wrote:
>> Update on this issue:
>>
>> After combing the config and google, i tried several things to get CPU usage
>> down including filtering of IP Options, fragments and reorganizing my ACLs.
>>   Even completely disabling the ACL lists and any filtering did not help.
>>   One document mentioned moving to 12.4 train in order to get more
>> information about the packets coming into the router.  I upgraded the router
>> to 12.4.25f (Service provider w/ IPSEC and LI).  After the reload, router
>> came up and my high cpu usage was no longer there. Didn't make any changes
>> to my config from SRE that was giving me the high CPU or for that matter
>> from 15.0 that was giving me high CPU.
>>
>> So my question is why?  What is different about 12.4 from SRE and 15.0?  If
>> i have to stay on 12.4 train, i'd rather be on 12.4T, but not sure if i'll
>> run back into the same problem.
>>

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Chris Gotstein, Network Engineer, U.P. Logon/Computer Connection U.P.
http://uplogon.com | +1 906 774 4847 | chris at uplogon.com