we have switch which has gigabit ports and 4 ports are bundled and all 4 are up in port channel
i know cost of 2gigbit is 3
but here we have 4 ports and cost of stp is 3?
can some one explain why this so
so it means any speed between 2Gbps to 9 gbps will have cost of 3 right?
Good question. I suspect so although without a switch to test it may be that an 8Gbps etherchannel for example goes to 2 but i suspect not. Unfortunately don't have switches to test with.
But what we can say is that between 2Gbps and 9Gbps the cost shouldn't be anything other than 3 or 2.