Disable NAT on Linksys WAG 54G

My daughter's Linksys WAG 54G has a configuration option to disable
NAT.

Does this then make it act like an ordinary modem and therefore assign
an IP address to the computer?

If so what happens to the ethernet ports etc.

Geoff Lane

On or around Thu, 27 Oct 2005 20:41:16 +0100, Geoff Lane
<(E-Mail Removed)> mused:

>My daughter's Linksys WAG 54G has a configuration option to disable
>NAT.
>
>Does this then make it act like an ordinary modem

I would imagine so, basically, kind of.

>and therefore assign
>an IP address to the computer?
>
???

The computer already has an IP address, which may or may not be
assigned to it by the router.

>If so what happens to the ethernet ports etc.
>
I would imagine that what happens is the 'disable NAT' feature just
puts every internal PC onto a DMZ so everything would work as it does
now, but withuout any NATing going on.

Please not, I have no first hand knowledge of this feature..
--
| Stuart @ SJW Electrical. Please Reply to group. |

On Fri, 28 Oct 2005 17:06:40 +0100, Lurch <(E-Mail Removed)>
wrote:

>>My daughter's Linksys WAG 54G has a configuration option to disable
>>NAT.

>>Does this then make it act like an ordinary modem

>>and therefore assign
>>an IP address to the computer?
>>
>???

I meant to say a WAN IP address, dialup assigns the dynamic address to
the computer adapter.

>>If so what happens to the ethernet ports etc.
>>
>I would imagine that what happens is the 'disable NAT' feature just
>puts every internal PC onto a DMZ so everything would work as it does
>now, but withuout any NATing going on.

Which means then it is acting like a Proxy Server.
>
>Please not, I have no first hand knowledge of this feature..

Thanks for input, perhaps someone else can shed some first hand
knowledge.

Geoff Lane

Geoff Lane wrote:

>>I would imagine that what happens is the 'disable NAT' feature just
>>puts every internal PC onto a DMZ so everything would work as it does
>>now, but withuout any NATing going on.
>
>
> Which means then it is acting like a Proxy Server.

I doubt it would act as a proxy. Most routers do not have that complexity.

If you do not have NAT then the PCs behind the router need to have real
IP addresses not private ones. If you don't have real IP addresses, then
disabling NAT will break your Internet access.

>>Please not, I have no first hand knowledge of this feature..
>
>
> Thanks for input, perhaps someone else can shed some first hand
> knowledge.

Not done this with a Linky, but when I was with A&A and had a number of
public IPs, my Zyxel ran in exactly this way and became, in essence a
modem with filtering. All of the devices behind the router had real,
routable addresses.

HTH.


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"Geoff Lane" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> My daughter's Linksys WAG 54G has a configuration option to disable
> NAT.
>
> Does this then make it act like an ordinary modem and therefore assign
> an IP address to the computer?

Perhaps this feature is to enable it to be used with a connection that has
multiple IP addresses.

Alex

On or around Fri, 28 Oct 2005 17:13:38 +0100, Geoff Lane
<(E-Mail Removed)> mused:

>Thanks for input, perhaps someone else can shed some first hand
>knowledge.
>
Looking back on what I wrote, it was a load of old dross! (I blame the
lack of sleep and working in Wales for a fortnight).
--
| Stuart @ SJW Electrical. Please Reply to group. |

"Nig" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
[snip]
> Not done this with a Linky, but when I was with A&A and had a number of
> public IPs, my Zyxel ran in exactly this way and became, in essence a
> modem with filtering.

You mean it became, precisely, a router (with filtering) and a modem. That
is, just what it always was but without the NAT.

Alex

On Fri, 28 Oct 2005 17:55:31 +0100, "Alex Fraser" <(E-Mail Removed)>
wrote:

>> My daughter's Linksys WAG 54G has a configuration option to disable
>> NAT.
>>
>> Does this then make it act like an ordinary modem and therefore assign
>> an IP address to the computer?
>
>Perhaps this feature is to enable it to be used with a connection that has
>multiple IP addresses.

The manual explains the following;

Bridged Mode Only
If you are using your Gateway as a bridge, which makes the Gateway act
like a standalone modem, select
Bridged Mode Only. All NAT and routing is disabled in this mode.

Geoff Lane