[c-nsp] Possible memory corruption w/ 12.2(18)S11

[Eugene Vedistchev]

acl remark (very important - customers) + class-based shaping

12.2.25S8

eugene vedistchev

--- Original Message ---

>Are you saying you have it replicated in the lab?
>
>The OSPF bad checksum just means that OSPF detects
>the packet doesn't have the correct checksum value
>when it runs it over the LSA's in the update.
>
>btw, can you guys list out the feature combinations
>that are requiring you to run 12.2S on the 75xx's?
>
>On Tue, Mar 21, 2006 at 02:06:45PM -0500, Greg Boehnlein wrote:
>  
>
>>On Tue, 21 Mar 2006, David Coulson wrote:
>>
>>    
>>
>>>12.2(18)S11 on 7507 w/ RSP4.
>>>
>>>We've been seeing this frequently (IP address of source varies)
>>>
>>>Mar 19 07:31:09 core1.clevoh.n2net.net 515: Mar 19 07:31:01:
>>>%OSPF-4-ERRRCV: Received invalid packet: Bad Checksum from
>>>207.166.192.208, GigabitEthernet4/0/0.100
>>>
>>>If I do a 'memory cache-policy io uncached', it solves the problem,
>>>however it kills the CPU on the router.
>>>
>>>Is this potentially a hardware issue, or an IOS bug? We've moved the
>>>interface to a seperate GEIP (different GEIP, GBIC, fiber, GBIC, switch)
>>>and we get the same problem. We never encountered this on PA-FE or FEIPs.
>>>
>>>Does anyone have any suggestions for troubleshooting this, before I just
>>>go and load 12.2 on to it?
>>>      
>>>
>>As a side note, this has been tested and replicated on a pair of 7507s 
>>running Dual RSP-4s w/ the same IOS version. That's two completely 
>>independent routers w/ completely different hardware...
>>
>>-- 
>>    Vice President of N2Net, a New Age Consulting Service, Inc. Company
>>         http://www.n2net.net Where everything clicks into place!
>>                             KP-216-121-ST
>>
>>
>>
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