[c-nsp] Embeded Packet Capture for DHCP Troubleshooting

[Jeff Wojciechowski]

Yes - portfast on on all interface - makes sense that it could confuse DHCP.

Thanks,

-Jeff


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Raymond Burkholder
Sent: Tuesday, September 21, 2010 10:41 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Embeded Packet Capture for DHCP Troubleshooting

>
> 2801 is doing dhcp - and I wanted to get a packet capture to see why 2
thin
> clients won't get dhcp leases successfully from the 2801 upon boot up
> (so before the client has an ip from dhcp - isn't the dhcp transaction
> all
arp?)
>

Check your switch.   Do you have portfast turned on?  I've seen port
negotiation get in the way of dhcp negotiation.


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