Catalyst 2960 problem with DHCP-TFTP

[lionel lionel]

Hello ,

I Have a problem I'm trying to configure automatically my switch over ther DHCP

when I start the switch it request an IP from the DHCP from here everythings is fine but it does nothing more,

indeed I put on my dhcp the option 66 and 67 which is an adress of my TFTP server and a file to download and the switch seems not to understand theses options , I tried my dhcp with a cisco airport and everythings works fine the File from the TFTP is automatically downloaded into the airport...

There is an option to add or am I missing something in order to make it work with my switch ?

My switch : Catalyst 2960
IOS VER : 12.2(55)SE5

Many thanks for your help and answers I tried to make it clear.

Regards.

[lionel lionel]

Hello ,

Nobody can help me?

[cadet alain]

Hi,

can you post config as well as output from debug dhcp detail and also a diagram to see where the server is and what OS it is.

Regards

Alain

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[lionel lionel]

Hello thank you  ,

What do you mean by posting an output from debug DHCP there is a command to type in ?

For the diagram :

the switch that I want to configure via dhcp is connected to another one which is connected to my network Backbone.

I tried the port in Acces mode or Trunk with the Vlan where My scoope DHCP is created and nothing's working except the IP assignement. : 

*Mar  1 00:01:45.411: %DHCP-6-ADDRESS_ASSIGN: Interface Vlan1 assigned DHCP address 10.20.17.54 mask 255.255.255.0, hostname Switch

The os where the DHCP is installed is a Windows server 2008 R2

Regards

[cadet alain]

Hi,

do you want to do this ? DHCP auto-config:

http://www.cisco.com/en/US/docs/switches/lan/catalyst2960/software/release/12.2_53_se/configuration/guide/swipaddr.html#wp1181166

Regards

Alain

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[acampbell]

Hi,

Your TFTP server option on the DHCP server should be 150

Regards,
Alex.
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[lionel lionel]

Hi ,

Yes this is what I want but it's not working .

[Kyle McKay]

I've had a few issues with this as well.

There are a couple of caveats that you need to ensure are configured correctly.

1. I could not get the switch to take the Option 150 information handed out by the DHCP server. Instead I used a helper-address on the switch's management VLAN pointed at the TFTP server.

2. Make sure to have the boot commands in place: "boot host dhcp" otherwise nothing will happen.

3. Ensure that the cisconet.cfg file is populated with a list of IP to Hostname correlations.

4. At this point the switch should be asking your TFTP server for the file based on the hostname it is configured with.