[c-nsp] Weird Issue with 3750-PoE Switches...

[Jeff Fitzwater]

If you have Spanning tree enabled on the CISCO (which is default )  
then you need to add "spanning-tree portfast " to all access ports.   
This will speed up initial boot of machine instead of going through  
the LISTENING LEARNING FORWARDING states.


Well this sounds like your problem.


Jeff Fitzwater
OIT Network Systems
Princeton University
On May 15, 2008, at 2:13 PM, Jeff Cartier wrote:

> We recently swapped out some non-PoE Cisco switches with Cisco 3750
> 48port PoE switches and have noticed the following issue.
>
>
>
> When users reboot their PC they have troubles establishing their  
> folder
> connections in Windows...the following error is seen in the event log.
>
>
>
> Windows cannot obtain the domain controller name for your network.
> Group policy processing aborted.  Event ID 1054
>
>
>
> It seems that when users log onto the computers after a warm/cold  
> start
> the network connection doesn't establish right away.  We've found that
> disabling PoE on the access-port solves the issue.
>
>
>
> Has anyone experienced anything similar?
>
>
>
>
>
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