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Community Member

HI,how long time to turn half to full on cisco 2950 ?

I want to change duplex half to full on the cisco 2950 a port config,

now i want to know how long time that will be ?

somebody say that may be 50 seconds ,is right ?

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Re: HI,how long time to turn half to full on cisco 2950 ?

If you have spanning tree enabled and portfast disabled it will take approx 50 seconds to change from half to full duplex assuming that you lose carrier, this 50 seconds is due to spanning tree blocking / listening / learning / forward cycle ( 2 x forwarding delay + max age).

If portfast is enabled the change should be nearly instant as this transitions the port straight to forwarding bypassing the blocking / listening / learning stages.

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