[c-nsp] Sup2T 15.1(SY1) inline packet traffic crash

Phil Mayers p.mayers at imperial.ac.uk
Thu Feb 6 17:05:31 EST 2014

On 06/02/2014 21:21, Charles Spurgeon wrote:
> On Thu, Feb 06, 2014 at 11:32:25AM +0000, Phil Mayers wrote:
>> On 05/02/14 20:23, Charles Spurgeon wrote:
>>> FYI. We recently encountered an inline packet crash bug that took out
>> Can you clarify what "inline packet crash bug" means? It's not a term
>> I'm familiar with.
> You're right, the usage is unclear.  As far as we can tell, packet
> traffic through the router triggered the crash. This does not appear
> to have been caused by punt packets to the CPU. However, we have no
> details. All that we know for sure is that both routers crashed at the
> same time.

It couldn't have been a routing update e.g. BGP advertisment that both 
routers got and contained weird/large/etc. values? Wouldn't be the first 
time that happened.

Assuming you got a crashinfo, and assuming the stack wasn't totally 
trashed, the traceback might be informative, to TAC if nothing else.

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