01-07-2010 12:59 PM - edited 03-06-2019 09:11 AM
Hi all,
Switch 1 STP root and Switch 2 is access switch.
Switch 2 gig 0//25 : Fiber port (1000Base SX SFP) <-- Trunk--> Switch 1 gig 3/10 Fiber port (1000Base SX)
2nd connection..
Switch2 gigEth 0/24 : <--- Trunk---> Sw1 gigEth 4/10
Will STP makes the Fiber port (gig 0/25) as forwaring port on SW2 or gigE (0/24)?
TIA
MS
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01-07-2010 01:40 PM
mvsheik123 wrote:
Thank you Jon.Thats what I guessed. Is there anyway I can make the fiber port to be the forwarding and gig eth blocked?
TIA
MS
MS
Yes, you can alter the port cost so that the cost of the path to root is not the same -
Jon
01-07-2010 01:06 PM
mvsheik123 wrote:
Hi all,
Switch 1 STP root and Switch 2 is access switch.
Switch 2 gig 0//25 : Fiber port (1000Base SX SFP) <-- Trunk--> Switch 1 gig 3/10 Fiber port (1000Base SX)
2nd connection..
Switch2 gigEth 0/24 : <--- Trunk---> Sw1 gigEth 4/10
Will STP makes the Fiber port (gig 0/25) as forwaring port on SW2 or gigE (0/24)?
TIA
MS
MS
gig0/24 should become the forwarding port. If there is a tie in the path cost and there will be in your example the next tie-breaker is to use the lowest port number.
Jon
01-07-2010 01:33 PM
Thank you Jon.Thats what I guessed. Is there anyway I can make the fiber port to be the forwarding and gig eth blocked?
TIA
MS
01-07-2010 01:40 PM
mvsheik123 wrote:
Thank you Jon.Thats what I guessed. Is there anyway I can make the fiber port to be the forwarding and gig eth blocked?
TIA
MS
MS
Yes, you can alter the port cost so that the cost of the path to root is not the same -
Jon
01-07-2010 01:56 PM
Thank you. So if I leave the fiber port cost intact (4) and make the gigeth 8, the fiberpath should takeover. Thanks Jon.
01-07-2010 02:21 PM
mvsheik123 wrote:
Thank you. So if I leave the fiber port cost intact (4) and make the gigeth 8, the fiberpath should takeover. Thanks Jon.
Yes it should.
Jon
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