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

[Chris Gotstein]

Yep, first thing i tried.  Couple others offered some advice, might have 
to do with IP Options coming in.  Need to setup some filtering to see if 
that will help.

On 8/22/2011 7:10 PM, Tóth András wrote:
> Hi Chris,
>
> You might have reviewed the following doc already, but it might help
> to get a few ideas.
>
> Troubleshooting High CPU Utilization in IP Input Process
> http://www.cisco.com/en/US/products/hw/routers/ps359/products_tech_note09186a00801c2af3.shtml
>
> Best regards,
> Andras
>
> On Mon, Aug 22, 2011 at 10:41 PM, Chris Gotstein<chris at uplogon.com>  wrote:
>> I even disabled the ACLs on the interfaces to see if that was the issue.
>>   Didn't help.
>>
>> On 8/22/2011 3:36 PM, Edward Salonia wrote:
>>>
>>> Did you double check your config to dee if anything changed or got removed
>>> and subsequently saved after your attempt to upgrade to 15M? Sometimes
>>> commands/santax changes slightly between versions and a part of your config
>>> may not have been carried over.
>>>
>>> I have also seen situations where one makes changes to a config and
>>> forgets to save it. Then a few days/weeks/months down the road, they reboot
>>> for one reason or another (sw upgrade for example) and suddenly the change
>>> they made previously is gone and no one notices because it was made so long
>>> ago and forgotten.
>>>
>>> Just a thought. Double check you config.
>>>
>>> I see you made sure CEF was enabled.
>>>
>>> Another thought, do you have 'log' attached to the end of any ACL's?
>>>
>>> - Ed
>>> -----Original Message-----
>>> From: Chris Gotstein<chris at uplogon.com>
>>> Sender: cisco-nsp-bounces at puck.nether.net
>>> Date: Mon, 22 Aug 2011 15:08:23
>>> To:<cisco-nsp at puck.nether.net>
>>> Subject: Re: [c-nsp] 7206VXR NPE-G1 Upgrade from 12.4 to 15.0 High CPU
>>>
>>> Backed down to SRE, but still seeing high utilization on the IP Input
>>> process.  Have no idea why this is happening now, thought it was due to
>>> the upgrade to 15.0.  But seeing same issue back on SRE.  Anything i can
>>> do to troubleshoot?  Running out of ideas.
>>>
>>> On 8/22/2011 12:21 PM, Chris Gotstein wrote:
>>>>
>>>> Was looking for the additional IPv6 support in the 15.x train. Can't
>>>> find any solution to the problem, so i'll probably just move back down
>>>> to SRE4.
>>>>
>>>> On 8/22/2011 8:09 AM, Mark Tinka wrote:
>>>>>
>>>>> On Monday, August 22, 2011 05:18:10 PM Chris Gotstein wrote:
>>>>>
>>>>>> Any ideas of what could be going on? I haven't
>>>>>> downgraded the IOS just yet, hoping to see if i might
>>>>>> have missed something easy. Thanks,
>>>>>
>>>>> Don't know anything about how 15.x works on the NPE-G1/G2,
>>>>> but we're staying away from it as it doesn't have any
>>>>> features we need. SRE4 is nice and happy.
>>>>>
>>>>> Mark.
>>>>
>>>
>>
>> --
>> ---- ---- ---- ----
>> Chris Gotstein, Network Engineer, U.P. Logon/Computer Connection U.P.
>> http://uplogon.com | +1 906 774 4847 | chris at uplogon.com
>> _______________________________________________
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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