RE: May ISA2000 be a DHCP client as well as a server

  • From: "Tiago de Aviz" <Tiago@xxxxxxxxxxxxxxx>
  • To: <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 24 Nov 2005 14:24:49 -0200

Right. It is so that your external interface can grab an ip address from
a cable modem, for an example.
 
Just enable the filter and enable dhcp on your external interface. no
changes needed.
 
 
 
Tiago de Aviz
SoftSell - Curitiba
(41) 3340-2363
www.softsell.com.br 
 
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>>> pmerner@xxxxxxxxxxxxx 24/11/2005 14:20 >>>

http://www.ISAserver.org
Thanks for the hint about the DHCP packet filter and, no, I had not
enabled that filter. So I enable the filter and what settings do I use
in the DHCP Client Properties dialog box in the Local Computer tab? BTW,
this filter is for the server as a client, right? Not the server as a
DHCP server? -----Original Message-----
From: Steve Moffat [mailto:steve@xxxxxxxxxx] 
Sent: Thursday, November 24, 2005 11:06 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: May ISA2000 be a DHCP client as well as a server
http://www.ISAserver.orgHmmm...never came across that one S 
From: Tiago de Aviz [mailto:Tiago@xxxxxxxxxxxxxxx] 
Sent: Thursday, November 24, 2005 11:58 AM
To: ISA Mailing List
Subject: [isalist] RE: May ISA2000 be a DHCP client as well as a
serverhttp://www.ISAserver.orgGreg said some time ago that if the ISA
Box can't ping outside, it won't be able to renew its IP address as
well..
 
 
 
Tiago de Aviz
SoftSell - Curitiba
(41) 3340-2363
www.softsell.com.br 
 
Esta mensagem, incluindo seus anexos, tem caráter confidencial e seu
conteúdo é restrito ao destinatário da mensagem. Caso você tenha
recebido esta mensagem por engano, queira por favor retorná-la ao
destinatário e apagá-la de seus arquivos. Qualquer uso não autorizado,
replicação ou disseminação desta mensagem ou parte dela é expressamente
proibido. A SoftSell não é responsável pelo conteúdo ou a veracidade
desta informação.


>>> steve@xxxxxxxxxx 24/11/2005 13:42 >>>
http://www.ISAserver.orgHave you enabled the allow dhcp packet filter?
S 
From: PMerner@xxxxxxxxxxxxx [mailto:PMerner@xxxxxxxxxxxxx] 
Sent: Thursday, November 24, 2005 11:24 AM
To: ISA Mailing List
Subject: [isalist] May ISA2000 be a DHCP client as well as a
serverhttp://www.ISAserver.orgAm running ISA 2000 standard edition as
part of SBS 2000 on a w2k sp4 platform and have encountered a problem as
I migrate from a Speakeasy ADSL fixed IP connection to a DHCP dynamic IP
configuration received through TimeWarner/Earthlink from the supplied
RCA cable modem. The cable modem has model designation DCM425 and is
actually manufactured by Thompson. It appears to be functioning normally
with all the expected green lights doing what they are supposed to do.
SBS2000 requires that this server be the primary, and only, domain
controller on the network and I am beginning to suspect that the primary
DC on a network may not also be a DHCP client.  I have no issues with
either connection except that when being served by the cable modem, the
server box is unable to renew its DHCP license on expiration. At that
point the Internet connection is lost and can only be recovered through
a warm boot of the server. Server needs to be 24x7 so this is a no-go.
The internal and external NICs work normally with the noted exceptions.
Anybody have an idea what is going on?
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