DHCP User Class Id Help

deltex141
deltex141 used Ask the Experts™
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I've created a user class ID to assign systems to a different DHCP scope based on the DHCP class ID. But I can't seem to get the system with the id to actually use the scope, they keep using the default scope.

Tried setting a system class id manually to using the ipconfig /setclassid adapter_name class_id command. Nothing, still going to default, not sure what I may be doing wrong, is there something specific that has to be done in the scope options?
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Rick HobbsRETIRED
Top Expert 2006

Commented:

Author

Commented:
I cannot see how the user class can select the correct DHCP scope.
As far as I understand, the user class can only affect scope options, not
which scope to use.
Rick HobbsRETIRED
Top Expert 2006

Commented:
If the link I gave you won't do what you want, I would set up the DHCP scopes after setting up VLANS for each range.  I have used that previously and it worked great.
Commented:
DHCP User class ID is used to set different options within scope, not for selecting what scope to use. AFAIK what scope to use is decided by physical network ID, so even if you create superscope (multinet) you will not be able to choose scope with particular subnet.
Solution for you probably will be dynamic VLANs, example described here: http://www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a008076317c.shtml

Author

Commented:
I was afraid of that, it was the same conclusion I reached, but I was hoping I missed something. Looks like some vendor documentation was flat-out lying.

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