Ganesh Hariharan Sun, 05/30/2010 - 23:50
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i have 2 6500 series switches running vss, can i use same vss priority for both switches in the vss domain


Check out the below link for your query !!


http://www.netcraftsmen.net/component/content/article/69-data-center/749.html


Hope to Help !!


Ganesh.H


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sreeju balan Sun, 05/30/2010 - 23:57
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Dear Ganesh,


Very nice document..Thanks a lot


But what cisco recommends for the priority configuration for vss? do you have any idea


Thanks for your support

Ganesh Hariharan Mon, 05/31/2010 - 00:21
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Dear Ganesh,


Very nice document..Thanks a lot


But what cisco recommends for the priority configuration for vss? do you have any idea


Thanks for your support


Ok,


The priority tells which will begin as the  active supervisor.


Check out the best practices for VSS deployment by cisco


http://www.cisco.mn/web/DK/assets/docs/presentations/VSS_0109.pdf


Hope to Help !!


Ganesh.H



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Reza Sharifi Mon, 05/31/2010 - 12:06
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Hi Sreeju,


Cisco or at least our SEs do not recommend priority and preemption.  We also have done some testing with it. It gets very confusing to keep track of primary and backup switch when there is a failure.  The VSS pair becomes some what unpredictable when using priority and preemption since it cause the devices to reboot.


HTH

Reza

smalep Wed, 08/29/2012 - 09:52
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Hi,


In the original Cisco VSS implement document they did suggest using priorities but that is no longer recommended and therefore should be avoided.


I would suggest not setting the priority.


Thanks,

graham smart Wed, 08/29/2012 - 10:18
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Hey,

We dont bother having different priorites or preempt either.


I cant see any reason for having a "master" as it shouldnt matter what switch is active at any one time.


VSLP tends to resolve whos going to be master happily. Just remember to have dual active crosslinks.




Switch  Switch Status  Priority     Role    Session   ID

        Number         Oper(Conf)           Local    Remote

------------------------------------------------------------------

LOCAL    2     UP       100(100)    ACTIVE   0        0  

REMOTE   1     UP       100(100)    STANDBY  6991     2069

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