RE: Problems with DHCP on external nework card

  • From: "Steve Moffat" <steve@xxxxxxxxxxxxxxx>
  • To: "Isa List" <isalist@xxxxxxxxxxxxx>
  • Date: Fri, 14 Mar 2003 02:04:57 -0000

You too.............:))

-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx] 
Sent: Thursday, March 13, 2003 9:59 PM
To: Isa List
Subject: [isalist] RE: Problems with DHCP on external nework card


http://www.ISAserver.org


But Jim, if I call PSS they might find out I got my copy from Kaaza ;-)

Thomas W Shinder 
www.isaserver.org/shinder 
ISA Server and Beyond: http://tinyurl.com/1jq1 
Configuring ISA Server: http://tinyurl.com/1llp 



-----Original Message-----
From: Jim Harrison [mailto:jim@xxxxxxxxxxxx] 
Sent: Thursday, March 13, 2003 7:56 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Problems with DHCP on external nework card


http://www.ISAserver.org


OK, kids; if you can't play nice, we're going to stop and as Bill Cosby would 
say "the spankings will now commence!"

Anyone tried this yet? 
http://support.microsoft.com/default.aspx?scid=kb;en-us;326116

 Jim Harrison
 MCP(NT4, W2K), A+, Network+, PCG  http://www.microsoft.com/isaserver
 http://isaserver.org/Jim_Harrison
 http://isatools.org

 Read the help, books and articles!
----- Original Message -----
From: "Thomas W Shinder" <tshinder@xxxxxxxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Thursday, March 13, 2003 17:38
Subject: [isalist] RE: Problems with DHCP on external nework card


http://www.ISAserver.org


Hi Steve,

Maybe your cable operator is a great guy, not all cable operators prevent 
normal DHCP operations.

HTH,
Tom

Thomas W Shinder
www.isaserver.org/shinder
ISA Server and Beyond: http://tinyurl.com/1jq1
Configuring ISA Server: http://tinyurl.com/1llp



-----Original Message-----
From: Steve Moffat [mailto:steve@xxxxxxxxxxxxxxx]
Sent: Thursday, March 13, 2003 7:15 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Problems with DHCP on external nework card


http://www.ISAserver.org


Hi Guys

Definitely !!NOT!! true, I have been running ISA since beta days, and 
installing on customer sites since release. I have a cable modem at my home 
install, and am allocated a dynamic IP address, which is renewed every 30 days. 
I also have or have had many other client installs with dynamic ip scenarios, 
and I have had no problems whatsoever with lease renewal at all whatsoever.

Steve

-----Original Message-----
From: Jay [mailto:jschwarzkopf@xxxxxxxxxx]
Sent: Thursday, March 13, 2003 8:06 PM
To: Isa List
Subject: [isalist] RE: Problems with DHCP on external nework card


http://www.ISAserver.org


The DHCP filter only works when renewing the SAME IP.  Most cable operators 
don't acknowledge renewal, until the lease expires, or until the IP is 
released.  In neither case will the filter pass your request.

MS has fix: Q326116

Another way is to run batch file that stops ISA services, releases and then 
renews the IP.  Assuming your lease is long enough, you can schedule this for 
off hours.

Another benefit of this is that if you release the IP before expiration, you 
will get the same IP.  I have had published servers for several months on cable 
with same IP, and therefore, no need to change publishing rules.


----- Original Message -----
From: "Steve Moffat" <steve@xxxxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Thursday, March 13, 2003 4:24 PM
Subject: [isalist] RE: Problems with DHCP on external nework card


http://www.ISAserver.org


Well you shouldn't be answering the question then........just enable the dhcp 
filter within the isa mmc

Steve

-----Original Message-----
From: Glen Howard [mailto:ghoward@xxxxxxxx]
Sent: Thursday, March 13, 2003 1:00 PM
To: Isa List
Subject: [isalist] RE: Problems with DHCP on external nework card


http://www.ISAserver.org


It is HIGHLY recommended (per Shinder book p. 208-212) that your external 
interface have static addressing.. I don't know of a scenario whereby ISA 
SERVER can be programmed to change automatically..

You will have to change PACKET FILTERS, and published servers when this occurs..

Glen Howard II, MCP
Systems Administrator
"Let's talk about it later, Let's WORK on it Now!!"


-----Original Message-----
From: Jimmy Marklund [mailto:jimmy.marklund@xxxxxxxxxxxxxxx]
Sent: Thursday, March 13, 2003 6:43 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Problems with DHCP on external nework card


http://www.ISAserver.org


Hi!
I have a problem with my ISA server. I seem to loose the external ip adress, 
wich is assigned by DHCP. If i stop all ISA services I receive an adress just 
fine, but when ISA server is Activated I can`´connect to my ISP:s dhcp. What 
have I missed?

Regards/

Jimmy¨

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