Re: [dhcwg] RFC3004 - User class question.

Jitesh N Verma <jitesh@india.hp.com> Wed, 06 February 2002 06:00 UTC

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From: Jitesh N Verma <jitesh@india.hp.com>
Message-Id: <200202060527.KAA02456@chitha.india.hp.com>
Subject: Re: [dhcwg] RFC3004 - User class question.
To: mm63@lucent.com
Date: Wed, 6 Feb 2002 10:57:18 +0530 (IST)
Cc: dhcwg@ietf.org
In-Reply-To: <C75D175831F6D411893200508BB3A020012C7D9D@sp2002exch001u.es.lucent.com> from "McCullagh, Matthew" at Feb "5, " 2002 "06:05:42" pm
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Hi Matt,
	FYI.
	HP-UX DHCP server and client has implemented this option/policy.
The server identifies the user-class by a tag "class-id". They work well
in the situation mentioned in your mail.

Cheers,
Jitesh
	

> 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
> 
> 
> _______________________________________________
> dhcwg mailing list
> dhcwg@ietf.org
> https://www1.ietf.org/mailman/listinfo/dhcwg
> 


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