Re: DHCP Client question
- From: "Miha Pihler [MVP]" <mihap-news@xxxxxxxxxxx>
- Date: Sat, 20 Aug 2005 19:16:53 +0200
It will give out address any way. What custom classes will allow you to do
is to use e.g. different gateways or different scope options or even
different scopes on different clients depending on class settings.
E.g. user A gets IP address 10.10.10.151 with subnet mask 255.255.255.0 and
since it is "VIP" user it gets default gateway of 10.10.10.254 which is
faster leased line.
User B (a student without any custom class set) gets e.g. IP address
10.10.10.150 with subnet mask 255.255.255.0 with default gateway 10.10.10.1
on slower (and more busy) leased line.
There is no easy control of who gets the DHCP assigned IP address since
there is no authentication mechanism built into DHCP lease process.
--
Mike
Microsoft MVP - Windows Security
"ACE-Joe" <ACEJoe@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:D059656F-4310-4A21-9635-0B0861846295@xxxxxxxxxxxxxxxx
>I guess one other question this generates for me is this. If I set a user
> or vendor class on the scope on the DNS server, will it only hand out
> addresses to clients that have the same class name configured, or will it
> hand out addresses to everyone anyway? I don't want it to hand out an
> address unless the client has been configured with the class name
> manually.
>
> Thanks
> Joe
>
> "Miha Pihler [MVP]" wrote:
>
>> Hi Joe,
>>
>> Yes, clients will be able to work from other networks without any
>> problems.
>>
>> E.g. in my office we are using classes (for different reason that you
>> plan
>> to) but we use them and we get specific IPs depending on user's class on
>> DHCP.
>> I also have DHCP server at home where I don't use DHCP classes and I can
>> still connect without any problem (and I do get totally different set of
>> IP
>> address then I get in the office).
>>
>> I hope this helps,
>>
>> --
>> Mike
>> Microsoft MVP - Windows Security
>>
>> "ACE-Joe" <ACEJoe@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> news:2547B541-DE01-43FA-A2E9-27B24EAFA391@xxxxxxxxxxxxxxxx
>> > Hi all,
>> >
>> > In DHCP, in attempt to secure who gets a DHCP address, I was
>> > thinking
>> > of
>> > specifying a class in the DHCP server and manually on the clients for
>> > the
>> > scopes of my network. This way, if a client doesn't have the class
>> > specified
>> > in their IP settings, they won't get an address from my DHCP server.
>> > My
>> > question is this. If a client is a mobile user with a laptop, and we
>> > specify
>> > the class in their IP settings. If they take their machine to another
>> > network, that also uses DHCP, will specifying a class on the client
>> > side
>> > prevent them from getting an IP? I don't want to cause trouble for
>> > traveling
>> > users going to hotels or other offices that use DHCP and not be able to
>> > get
>> > an IP due to me specifying a class in their settings. Is this a valid
>> > concern or will other DHCP servers still be able to give our machines
>> > an
>> > address even though we specify a class?
>> >
>> > thanks
>> > Joe
>>
>>
>>
.
- References:
- DHCP Client question
- From: ACE-Joe
- Re: DHCP Client question
- From: Miha Pihler [MVP]
- Re: DHCP Client question
- From: ACE-Joe
- DHCP Client question
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