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houkouonchi
Joined: 20 Mar 2010
Posts: 47
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 Posted: Sat Apr 17, 2010 5:41 pm Post subject: Path Cost? |
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| I was trying to figure out what this was but from the limited amount of info I found I found out that 100 is the nominal setting for a 10 megabit link. What should this be set for a 30 megabit link or 50, or 100? What about something like 50/10 that isn't symetrical? |
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ppalias
Joined: 17 Dec 2008
Posts: 1151
Location: Athens, Greece
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| Posted: Sat Apr 17, 2010 8:32 pm Post subject: |
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| You mean on Bridge interface? |
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houkouonchi
Joined: 20 Mar 2010
Posts: 47
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| Posted: Tue Apr 20, 2010 12:27 am Post subject: |
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| Yes. I realize that this sub-forum is not just for bridges but I thought it would be understood I was talking about the setting on a bridge, yes. |
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ppalias
Joined: 17 Dec 2008
Posts: 1151
Location: Athens, Greece
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| Posted: Tue Apr 20, 2010 6:41 am Post subject: |
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| It is used for the spanning tree protocol. When you create a bridge there is a possibility that a layer 2 loop is created with devastating consequences. Spanning tree protocol detects such loops and if necessary disables a link to prevent them. The value is a manual way to set a preference which link to be shut first in case of a loop. The higher value indicates a link more probable to get shut down. |
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