Cat6509/SUP720 - VSS with Dual SUP Engine

Answered Question

Hi,


2 units of cat6509 switches, both with dual SUP720 engine. After I configured both switches with VSS, both switches standby SUP engine went into RMON. The VSS is working fine.


Why this happened? can't each chassis have one active and one standby SUP ?


Regards



Regards


Correct Answer by Jerry Ye about 7 years 8 months ago

Hi Choh,


What version of IOS are you running? SXH only support single SUP in each chassis of thre VSS. The newer SXI will support dual SUP in each chassis.


HTH,

jerry

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Correct Answer
Jerry Ye Wed, 07/22/2009 - 05:55
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Hi Choh,


What version of IOS are you running? SXH only support single SUP in each chassis of thre VSS. The newer SXI will support dual SUP in each chassis.


HTH,

jerry

Hi Jerry,


Both switches upgraded to SXI2, the VSS running fine. But when I try bootup the standby SUP on the same chassis ..it will crashed and goto ROMMON. I try another chanssis same problem happned.


will Attached the crashinfo & show tech later, currently having problem to attached here, keep timeout.


Regards


Jerry Ye Thu, 07/23/2009 - 07:50
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Hi Choh,


Just double check, dual SUP support is not here yet but it is coming. I missed read it as service module, sorry for the wrong info.


Regards,

jerry

Jerry Ye Thu, 07/23/2009 - 17:14
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Hi Choh,


I think it is better for you to check with your local Cisco rep for the roadmap.


Regards,

jerry

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