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Old 06-18-2003, 02:43 AM   #1
heero82
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Registered: May 2003
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How to set up a External or ADSL Modem


hello i want to ask whether the configuration file and setting is the same between external dial up modem and ADSL modem.

i have no idea to go on. I want to set up in redhat 9.0, and i don't know how to start up a ADSL modem, so i simulate the external modem as a ADSL modem.

If you have any advice or suggestion , or guideline to teach me,
in the command line or interface setting (in gnome or kde also can)

actually i have found the some sample to start up ADSL.
Some may need some special package or source (PPP, something like that) to compile,
after that i just can start up my modem.


so i am here for asking you all advice and suggestion,
thanks for your opinion and suggestion.
 
Old 06-18-2003, 04:27 AM   #2
wintpe
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Registered: Jun 2003
Location: United Kingdom, South East
Distribution: Mandrake
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Post adsl modem

it depends on what type of hardware you are looking to buy.
if a less complicated route is better for you then its worth buying an adsl router, (aprox $80/ £80)

this will take your isp settings and establish the connection for you.
its effectivly a switch on the internet.

to protect you from unwanted attention from other internet users, most have filtering aka firewalling.

its not full statefull inspection as a software firewall would be, however it will block those ports you dont want accessed from outside.
still safer to add some firewall rules to ipchains/iptables to add a second line of defence.

all you will need is to spend a fiver on a network card to connect you pc to the router.

setup dhcp client and the network card should automaticly get the address fromthe router.

i use the dlink dsl 504 for this, and it took me 5 minuits to get on line, from a previous ppp based dial up on a modem, to the adsl setup.

and im one of those who finds it hard to understand some of the criptic docs that come with linux.

regards peter
 
Old 06-18-2003, 06:27 AM   #3
heero82
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icic. thanks for exaplaining briefly to me,
i understand what you said,
i am interesting in how do you set isp configurations.
can you show me the setting step or you can give me the web site .

thanks for wintpe...
 
Old 06-18-2003, 06:50 AM   #4
bigjohn
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In my case, I have never bothered to try and set up my internal modem - it's a winmodem and I just don't need the stress.

Luckily, I already had an adsl connection when I started playing with linux, but the adsl modem that I had was (well I still have it, but don't use it) an alcatel speedtouch usb (the older model that looks like a turquoise cow shit).

The first distro I tried was a SuSE one, and the modem completely stumped me, even though I had done considerable research, I was too much of a n00b to get my head round what to do - my brother (an IT pro and resident redhat bore) config'd it for me.

But, I managed to screw the config up, and as the mandrake distro's supposedly had "out of the box support" for it, I tried that.Unfortunately, the "OOTB support" in mandrake 8.2 was broken, and it was hells game to get it sorted, but I managed - eventually.

When mandy 9.0 was released, I upgraded, and it even told me what I needed to get, and where from, the config was straight forward - after a while I thought I would try a mandy 9.0 boxed version, and discovered to my joy, that the "microcode" for my modem was included in the boxed set. Piece of piss.

But then, I was getting vvv irritated with the time the modem took to disconnect, and then re-initialise after booting back into window$.

So, I did some digging around and went here and found lots of vvv helpful information for converting to a modem/router. After ploughing through lots of "write up's", I settled for a SAR110. I did have to get an NIC pci card as well, but I can't recommend the SAR110 enough, it's been brilliant.

As it was my first "foray" into the world of networks and the like, I didn't really have a clue about what I was doing to set it up, but the people in the technical department at Solwise, where also excellent, they just talked me through it over the phone and I got both my window$ and linux installs configured in less than 5 minutes. They also run their own forum which was where I got the info on how to use the integrated firewall stuff.

I now just boot back and forth as required, and have no worries whatsoever about the connection, the modem/router handles all that, I haven't bothered to try the command line control system, because the browser based facility is excellent.

If you have access to adsl/cable, then the choice is yours - I understand that it's reasonably painless if you go for a cable service - one of the chaps at my LUG asssures me, so if you have cable down your street, or can get the adsl facility, then I wouldn't bother with dial up, unless you really have to bootstrap a connection.

regards

John

p.s. Sorry the post is a bit long, but being a nugget, means that I can't explain it all in jargon and acronyms!
 
Old 06-18-2003, 07:00 AM   #5
MasterC
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Registered: Mar 2002
Location: Salt Lake City, UT - USA
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For me, the ISP offered a free DSL modem when I signed up. Nothing to buy. And since my ISP also sets up your IP via DHCP (basically means you do nothing but plug and go) I didn't have to worry about PPP or anything at all. However, if your ISP does use PPP, there are routers out there you can get to connect your DSL modem to that will autodial for you.

Best thing to do first is find out how you will obtain your internet config info from your ISP, then give us the low-down so we can let you know what to expect.

Honestly when I got mine, here's what I did:
Unplug modem. Plug in new "telephone" cable to wall, and into DSL modem. Run "cat 5" cable from DSL Modem to NIC on computer, turn on computer, surf.



(FYI: John, you are very funny, when I read some of your posts, I laugh whole heartedly )

Cool

Last edited by MasterC; 06-18-2003 at 07:01 AM.
 
Old 06-18-2003, 12:04 PM   #6
wintpe
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Registered: Jun 2003
Location: United Kingdom, South East
Distribution: Mandrake
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Post router setup

heero82

the setup is done within the router via a web interface, go to d-links web site and there are some docs that show pics if thats what you want.
just look for dsl 504 adsl router.
which you will need to buy if you are going to use this setup, it wont work with what you already have.

as for the PC well depends upon your distro, but f you have mandrake, just go into the configuration center within the kde menu's and select networking, eth0, and set it to dhcp, then reboot.
thats all there is to it.

it will automaticly get its ip address from the router, and the router instructions will come from your isp.
for example, they may say you must use pppoa mux, and they will give you a username and password, which is entered at the router web screen.
the router will also automaticly get its ipaddress of the isp as soon as the conection is established.
every country/isp configures this slightly differently so whereever you live it may be slightly different to me, but not that different that the examples ive given you will be about 90% of what you need.
regards peter
 
Old 06-19-2003, 09:23 PM   #7
heero82
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Registered: May 2003
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ok, thanks for everyone, i think i have to check out now,
as you all said, this is totally not to worry,
what i have to worry is the firewall and others setting,

so the redhat 9.0 would automatically detect the adsl modem, and going to the networking to detecting something.

i think i have to try,
before that i have to thanks to all,

if possibily , can you all give me some instruction to do that ,
which could let me mor econfidence ...
for example go to system setting ...
thanks
now i will try, if success i will tell you all...
regards
 
  


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