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 From:  ubi de feo <ubi at twodotone dot com>
 To:  "C. Falconer" <cfalconer at avonside dot school dot nz>
 Cc:  m0n0wall at lists dot m0n0 dot ch, "'Fred Wright'" <fw at well dot com>
 Subject:  Re: [m0n0wall] PPTP mode, was many problems with...
 Date:  Thu, 27 May 2004 10:59:42 +0200
hey.
maybe u worked this out, man.
i have to try this as i get home tonight.

it could really work. (i say could just because i'm so skeptic after 
all the tries).
i'm not a network expert, but i'll do my best.

thanx for the reply.
i'll let everybody know about the results

ciao.ubi


On May 26, 2004, at 11:19 PM, C. Falconer wrote:

> {ISP 
> gateway}---[Speedtouch]----------------firewall------------internal
> network
> 1.2.3.4       SomeIP     10.0.0.138     10.0.0.1  192.168.1.1    
> 192.168.1.x
>
> When I put my old Speedtouch DSL modem into PPTP mode it became more 
> like
> this
>
> {ISP 
> gateway}---[Speedtouch]----------------firewall------------internal
> network
> 1.2.3.4               10.0.0.138     10.0.0.1  192.168.1.1    
> 192.168.1.x
>                                    ppp0: someIP
>
> In fact - I was quite lazy and did it this way...  All the internal 
> hosts
> used 10.0.0.2
> as their gateway:
> {ISP gateway}---[Speedtouch]----+-------firewall eth0 10.0.0.2, ppp0 
> someIP
>                    10.0.0.1     +-------internal network 10.0.0.3 to 
> 254
>
> Sorry for the linux slant on this, but it was years ago.
>
>
> -----Original Message-----
> From: Fred Wright [mailto:fw at well dot com]
> Sent: Thursday, 27 May 2004 7:35 a.m.
> To: m0n0wall at lists dot m0n0 dot ch
> Subject: RE: [m0n0wall] many problems with... - could somebody please 
> clear
> this?
>
> On Wed, 26 May 2004, C. Falconer wrote:
>
>> I thought the speedtouch (at least the old speedtouch home I used to
>> have) had PPTP functionality.
>>
>> So that the external IP could be given to the NIC that the speedtouch
>> is plugged into.
>
> If by "external IP" you mean "WAN IP", then that's not how PPTP works 
> in
> this context.  The physical NIC needs a "local" IP in the same subnet 
> as the
> modem's "local" IP, and usually both are private network IPs.  This 
> provides
> IP connectivity to support the PPTP tunnel, which is then used for a
> "virtual dialup" via PPP.  The WAN IP is assigned to the *virtual* 
> NIC, not
> the physical NIC.
>
> Some PPTP-capable modems have a built-in DHCP server which can assign 
> the
> lower-level IPs automatically.  I'm not sure about the SpeedTouch, but 
> in
> any case m0n0wall doesn't appear to support this, so you need to 
> configure
> those IPs statically.  The factory default IP for the SpeedTouch is
> 10.0.0.138. I'm not sure whether the default netmask is /8 or /24, but 
> in
> any case (if nothing else is on that physical link) it should be safe 
> to
> pick a 10.0.0.x address for the m0n0wall side, where x is something 
> other
> than 0, 138, or 255.
>
>
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