On Aug 17, 2012 7:10 AM, "Bai Shen" <baishen.lists@gmail.com> wrote:
>
> Interesting.  But would that prevent all traffic?  I see the DHCP Request coming from the one laptop, and the other one is obviously up and running already.  There's just never a DHCP Offer.
>
> I'll take a look when I get a chance.
>

Spanning tree can take 30-60 seconds to bring a port up from a down state. 99 times out of 100 setting system ports to portfast as suggested solves the issue.