Broadcom NIC delays prevent DHCP during Kickstart

[Thomas Nowotny]

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Kevin Kwast wrote:
> In my case, sure, spanning tree is on because every 5324 switch is
> interconnected with at least one other, and I haven't used the web
> interface
> to repeatedly set STP off for every port that is connected to a host. 

We had the same Problem first and have then switched on "Spanning Tree
Port Fast". Thats how the option is called on cisco switches. You define
ports where no spanning tree is needed an they will be switched up much
faster.
After this PXE Boot works fine.


> 
> On 10/19/06, Mann, Andrew <amann at ea.com> wrote:
>>
>>
>> > Is spanning tree enabled on the switch?
>>
>>   Is there a conflict with the Broadcom NICs and spanning tree?  We're
>> using a Cisco 4500 series switch with spanning tree enabled.  2550s,
>> 1750s, 1850s, and 1955 blades are able to quickly bring the NIC up and
>> start communicating.  2650s and 2950s have about a 30-60 second delay
>> between the time the NIC is enabled and communication succeeds.  After a
>> reboot, we have to run through and restart NTP on each of these types of
>> system since this delay causes the ntp startup to fail.  It's only been
>> mildly annoying in the past, but getting rid of it would be nice :)
>>
>>
>> Andrew

- --
Thomas
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