Re: RRAS on Win2003 with 2 public ip's

"Kees Alderliesten" <KeesAlderliesten@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message news:6D797151-1056-4246-887F-233606EB227C@xxxxxxxxxxxxxxxx
Hello,

I have a win2003 server with 2 ip's on the public interface, say 1.2.3.4
and
1.2.3.5. (1 public NIC)
In RRAS i have configured a portforwarding for public port 81 to port 80
on
een webserver on the private network. Settings:
Public address: On this interface
Protocol: tcp
Incoming port:81
Private address: 192.168.0.10
Outgoing port:80

Now i can access this webserver on http://1.2.3.4:81 but not on
http://1.2.3.5:81
Why does the forwarding not work on the second public ipnumber? I did't
specify a public address (there is no addresspool) but selected 'On this
interface'. Both address are 'on this interface', but only one works.
How do i make this work? (Is it possible?)

--
Kind regards,

Kees Alderliesten


Instead of using 'on this interface,' did it give you an option to type in
the IP address?

I haven't used Windows for multiple WAN IPs, but I have done it with Cisco
Pix and Netscreen devices. The devices, which I'm assuming Windows does the
same, is use the first IP as the 'default' interface IP, and when you create
a port remap, it uses the default IP, as what appears to be going on, but
for other WAN IP remaps, in the devices, I would have to specifically state
the WAN IP for the remap.

btw - I hope this server is not a domain controller. Multihomed DCs are
extremely problematic because of the additional IPs registered into DNS and
would require registry changes to control registration, but it's really not
advised.


--
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSA Messaging, MCT
Microsoft Certified Trainer
aceman@xxxxxxxxxxxxxxxxxxxxxxx

For urgent issues, you may want to contact Microsoft PSS directly. Please
check http://support.microsoft.com for regional support phone numbers.

"Efficiency is doing things right; effectiveness is doing the right
things." - Peter F. Drucker
http://twitter.com/acefekay


.

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