[c-nsp] Maximum spannig tree instances

[Nicolas Rolans]

This supportwiki
article<http://supportwiki.cisco.com/ViewWiki/index.php/The_%22PM-SP-4-LIMITS:%22_or_%22PM-SP-STDBY-4-LIMITS:%22_error_message_is_received_in_Catalyst_switches_that_run_Cisco_IOS_Software>could
be what you're looking for. I confirm the 1800 instances/slot limit.

-Nicolas


2009/7/12 Shine Joseph <shinejoseph at dodo.com.au>

> Hi,
>
> I searched in the archives if I could find the answer to my this query. =
> The result was negative.
>
> How many spanning-tree instances are possible in Rapid PVST+ and MST =
> modes in Cisco 6500 series switches with Sup720?
>
> The only documentation that I could see which says about total number of =
> virtual ports per line card and total active logical ports. There is no =
> reference to  number of instances.
>
> The following netpro link mentions about 4096 instances, but this point =
> is not validated.
> http://forums.cisco.com/eforum/servlet/NetProf?page=3Dnetprof&forum=3DNet=
>
> work%20Infrastructure&topic=3DLAN%2C%20Switching%20and%20Routing&topicID=3D=
> .ee71a04&CommCmd=3DMB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40=<http://forums.cisco.com/eforum/servlet/NetProf?page=3Dnetprof&forum=3DNet=%0Awork%20Infrastructure&topic=3DLAN%2C%20Switching%20and%20Routing&topicID=3D=%0A.ee71a04&CommCmd=3DMB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40=>
> %40.2cc1484e/2#selected_message
>
> Any links or pointers would be much appreciated.
>
> Thanks in advance,
> Shine
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