Ethernet LAN STP cost
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Subject Author Date
STP cost zatheesh2k7@gmail.com 05-01-09
|--> Re: STP cost Arnold Nipper05-01-09
`--> Re: STP cost flamer die.spam...05-08-09
Posted by zatheesh2k7@gmail.com on May 1, 2009, 5:15 am
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Sir,

Can you pl tell me the formula for calculating STP cost? How cost of
19 is arrived for 100Mbps interface & 4 is arrived for 1Gbps
interface??

Posted by Arnold Nipper on May 1, 2009, 8:16 am
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On 01.05.2009 11:15 zatheesh2k7@gmail.com wrote

> Can you pl tell me the formula for calculating STP cost? How cost of
> 19 is arrived for 100Mbps interface & 4 is arrived for 1Gbps
> interface??

See e.g. http://en.wikipedia.org/wiki/Spanning_tree_protocol or read the
specs. Afaik there is no formula.


HTH, Arnold
--
Arnold Nipper, AN45

Posted by flamer die.spam@hotmail.com on May 8, 2009, 12:16 am
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wrote:
> Sir,
>
> Can you pl tell me the formula for calculating STP cost? How cost of
> 19 is arrived for 100Mbps interface & 4 is arrived for 1Gbps
> interface??

yes. they were assigned by the IEEE.

Flamer.

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