RE: DHCP from isp

  • From: "Steve Moffat" <steve@xxxxxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 25 Apr 2002 13:47:09 +0100

hi Bas
 
Another solution which has came up on this board is to delete the existing DHCP 
filter and recreate it. Is packet filtering turned on.
Steve

        -----Original Message----- 
        From: Bas den Boer (NC Automatisering) 
[mailto:B.denboer@xxxxxxxxxxxxxxxxxxx] 
        Sent: Thu 25/04/2002 08:41 AM 
        To: [ISAserver.org Discussion List] 
        Cc: 
        Subject: [isalist] RE: DHCP from isp
        
        
        http://www.ISAserver.org
        
        
        Hi 
         
        Thanks steve but that is already done.
         
        Thx

                -----Original Message-----
                From: Steve Moffat [mailto:steve@xxxxxxxxxxxxxxx] 
                Sent: Thursday, April 25, 2002 1:29 PM
                To: [ISAserver.org Discussion List]
                Subject: RE: [isalist] DHCP from isp
                
                
                Enable the  DHCP filter, buy a book on ISA and read it, explore 
www.isaserver.org.
                 
                Steve
                 
                 

                        -----Original Message----- 
                        From: Bas den Boer (NC Automatisering) 
[mailto:B.denboer@xxxxxxxxxxxxxxxxxxx] 
                        Sent: Thu 25/04/2002 05:26 AM 
                        To: [ISAserver.org Discussion List] 
                        Cc: 
                        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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