[dhcwg] RFC3004 - User class question.

["McCullagh, Matthew (Matt)" <[e-mail]>]

Hi all. 

RFC 3004 states that "Based on this class, a DHCP server selects the
appropriate address pool to assign an address to the client and the
appropriate configuration parameters."
If I am reading this correctly, any DHCP server which states that it is
compliant with RFC 3004 "should" be able to have multiple pools defined
using the same private address range - distinguished by user-class.

I'll explain a bit more : 
1. Company X sells Internet Services to companies A, B, C, D & E. 
2. All of these companies have their own private ip@ ranges and refuse to
change them.
3. Companies A, C & E all have their networks setup as 192.168.1.x 

Am I right in assuming that theoretically I could setup a user-class for
each company and then define the range of ip@s for each - something like
this: 

dynamic-dhcp range 192.168.1.1 192.168.1.50 class "CompanyA" { 
	option domain-name "CompanyA.com" ; 
	option subnet-mask 255.255.255.0; 
	option dhcp-lease-time 600 
	}
dynamic-dhcp range 192.168.1.1 192.168.1.50 class "CompanyC" { 
	option domain-name "CompanyC.com"; 
	option subnet-mask 255.255.255.0; 
	option dhcp-lease-time 600 
	}
dynamic-dhcp range 192.168.1.1 192.168.1.50 class "CompanyE" { 
	option domain-name "CompanyE.com"; 
	option subnet-mask 255.255.255.0; 
	option dhcp-lease-time 600 
	}

Theoretically each net is distinguished by the user-class so as long as the
dhcp clients can send and understand user-class I should have no problem ? 

Any help at all is more than welcome ! 

Many thanks in advance and 

Best Regards,

Matt


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