Re: spanning-tree mode mst

From

Eugene Andreev (2:5020/400)

To

Dmitry Kolvakh (2:5054/37.63)

Date

2009-05-15T14:23:12Z

Area

RU.CISCO

From: Eugene Andreev <r00t@johnsmith.ru>

> 1) Avoid mapping any VLANs onto instance 0.
> 
> Это как? А зачем тогда этот instance нужен?
IEEE 802.1s implementation does not send a BDPU for each active STP 
instance, nor does it encapsulate VLAN list in each configuration 
message. Instead of that, a special STP instance number 0 called 
Internal Spanning Tree (IST or MSTI0) is designated to carry all 
"signaling" information.

К прочтению рекомендуется сей замечательный текст:
http://blog.internetworkexpert.com/2008/07/27/mstp-tutorial-part-i-inside-a-region/


- ---
Eugene
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