[BUGS] new network technique, combining a /32 adsl address with a routable /24

[jonathan michaels]

On Wed, Mar 05, 2008 at 10:59:20PM +1100, Brad Rushworth wrote:
> jonathan michaels wrote on 5/03/2008 10:42 PM:
> > On Wed, Mar 05, 2008 at 07:55:33PM +1100, Trevor Roydhouse wrote:
> >> jonathan michaels wrote:
> >>
> >>> looks like i'm taking a step into teh new world wide internet
> >>> via the adsl+ mechanisms
> >> Unless I'm misunderstanding something, it's trivial, you need not 
> >> over-complicate it.
> >>
> >> PSTN Line --> ADSL router --> Ethernet Switch --> LAN computers
> >>
> >> =or=
> >>
> >> PSTN Line --> ADSL router & 4 port switch --> LAN computers
> >>
> >> Set the default route on appropriate LAN computers to point to the ADSL 
> >> router and you're done.
> > 
> > yup, thats how i thought the adsl setup would workout, ps i
> > managed to digup a seimans (sorry about the wordorder) what
> > ever it was that was sugested hereabouts a while ago.
> > 
> > my origonal question shrouded by my hrt/super heavy duty
> > analgesics (the green pills come as 80 mg), life gets fuxxy
> > about this time of month .. apologies all.
> > 
> > as best as i can tell what i want to do is to take teh above
> > and connect it to my existing network that is connected tot eh
> > internet via dialup modem (through telstra direct).
> > 
> > here is teh answer i think i need to build a bridge between
> > these two networks 203.7.226.0/24 and whatever exetel.com.au
> > dishes out as there adsl connectivity network.
> > 
> > so is this how i could send files from one 'network' to teh
> > other 'network' i do not want to route traffic back tot eh
> > internet over the adsl side rom teh dialupside diaup traffic
> > will stay on dilaup network.
> > 
> > all i'm interested at teh moment is to move files to/from my
> > existing network (and its 5 ish machines) to the adsl connected
> > machine and to move BIG files from the internet into my dialup
> > modem connected network over some sort of 'bridge'
> > 
> > so a bridge is teh way to do this or have i gotten this wrong
> > ??
> > 
> > regards/appreciations/thanks
> > 
> > jonathan
> > 
> 
> Jonathan,
> 
> Although I really struggled to read your post, this is what I think you 
> want to do.
> 
> LAN contains 5 ish computers on 203.7.226.0/24.
> 
> Dialup Internet is connected to the LAN. These computers access internet 
> via dialup.
> 
> ADSL Internet <- FreeBSD Machine -> LAN
> 
> There will be no connection to the Internet via the ADSL from the LAN. 
> Only the one FreeBSD machine can access the ADSL.
> 
> In this case, there is no bridge. Bridges are for connecting physical 
> connections (cables) together on the same IP network subnet using two 
> network cards.
> 
> You simply have two network interfaces on the FreeBSD machine. One is 
> the LAN network, one is the ADSL address.
> 
> Of course, it is easy to route data from the LAN over to the ADSL using 
> this FreeBSD machine and a NAT. Why you would choose to use dialup for 
> Internet surfing over ADSL is beyond me.

i'm leaving the above to have some context latter ..

i have some connercial responsibilities that are carried out
over teh dialup netwrok because that is where my /24 is
advertised and routed out tot eh world via teh telstradirect
account that has been running some 13 years to date, i get my
254 address space for 20/month so teh connection is a bot slow
its about delivering mail and teh ocassional browsing it is
about teh best value for money (low volume) commecial grade
account in australia bar none ! i cannot get a commercial
account, i.e to run internet servers on the hosted machines.
read your personal account contrract and find out how many
'servers' you can run before they take away you account and
send in teh lawyers to recover costs .. telstra/optus have done
that in the recent past.

i'm setting up an adsl link to browse for my own needs, nothing
to do with my commercial stuff. i thought it would be nice to
download the freebsd.iso images on teh adsl and then to move
those images over to teh 'network' where all teh hardware is
connected to make cd's do tape based storage .. all teh work
stuff. teh adsl modem is going to have a computer like a intel
p6 or a 800 mhz pIII as my desktop.

hope this sheds some light, brad, as regards this madness .. grin.

kind regards

jonathan 

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