RE: DHCP from isp

  • From: "Bas den Boer (NC Automatisering)" <B.denboer@xxxxxxxxxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 25 Apr 2002 13:39:28 +0200

Hi

Isa enterprise edition isn`t a solutions for so i think we have to get
another ISP which does not use DHCP.
Does anybody know other newsgroups where I can post my problem ?

Thx 

-----Original Message-----
From: Joel Mansford [mailto:Joel.Mansford@xxxxxxxxxxxxxxx] 
Sent: Thursday, April 25, 2002 1:04 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DHCP from isp


http://www.ISAserver.org


I had the same problem as yourself, one of the guys on this list
forwarded me a script which I believe stopped the service, renewed the
lease, and started the firewall service again.  I tried this but my ISP
issues four hour leases and stopping the service every four hours is far
from ideal! Bizarrely, I found that upgrading to ISA enterprise edition
(MSDN copy) fixed my problem, can't explain why but it did.

Joel.

-----Original Message-----
From: Bas den Boer (NC Automatisering)
[mailto:B.denboer@xxxxxxxxxxxxxxxxxxx] 
Sent: 25 April 2002 09:27
To: [ISAserver.org Discussion List]
Subject: [isalist] DHCP from isp


http://www.ISAserver.org


Hi


We got an Isaserver running with two nics one for the internal network
and one for the external network. The external nic must use dhcp to
obtain an ip address else it does not work with the ISP however ofcourse
our ip address is always the same cause it is bound to the external nic
mac address by the ISP. When we start the system everthink work fine but
after six ours the dhcp lease has ended and the nic can`t obtain a new
ip address. So we contacted the ISP and they said that there was a
discovery for an dhcp server but never an acknownledge. When we dissable
the packet filter everything worked fine we always can obtain an new ip
address but ofcourse that is not what we wan`t. Do i have to create an
packet filter for the external interface ? Cause i did create some
packet filters but all with no succes. Or do i always need a static ip
address ?

Please Help Me

Bas den Boer
NC Automatisering

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