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 10:58:56 +0200

Hi

Allready have done that does not seems to work



-----Original Message-----
From: Adi Milner [mailto:adim@xxxxxxxxxxxxxxxxxx] 
Sent: donderdag 25 april 2002 11:39
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DHCP from isp


http://www.ISAserver.org


Try to enable DHCP client to the external Interface and allow it at the
packet filtering

-----Original Message-----
From: Bas den Boer (NC Automatisering)
[mailto:B.denboer@xxxxxxxxxxxxxxxxxxx] 
Sent: Thursday, April 25, 2002 10:27 AM
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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