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Mac, PC And Internet Sharing Questions  
User currently offlineAirbus Lover From Malaysia, joined Apr 2000, 3248 posts, RR: 9
Posted (12 years 7 months 2 days 7 hours ago) and read 2418 times:

We might be getting a 15.2' Apple PowerBook soon but I am curious about a few things-

Can the Mac share the existing Internet Connection Sharing on the PC based home networking?

We can connect the Mac to the network simply by using a RJ45 cable to the home networking hub right?

And we've had our ADSL internet line for quite a while now but face a few problems that were non-existant when using dial-ups and shared across the network. Now with the ADSL line, the computer connected to the internet (hosting the internet) can surf, stream and download really fast. But on the network client computers, it can download fast but when it comes to surfing on the WWW with Internet Explorer, it hardly can move especially on some sites eventhough no other user is logged on the network and accessing the internet. Is there any way I can improve this?


17 replies: All unread, jump to last
User currently offlineGc From United Kingdom, joined Feb 2003, 356 posts, RR: 6
Reply 1, posted (12 years 7 months 2 days 3 hours ago) and read 2406 times:

I've shared a wireless internet connection between a DELL laptop with a USB wireless adaptor and a G4 tower connected via ethernet into a Belkin router. No problems at all. I've just got rid of the tower and bought a Powerbook G4, installed an Airpot card and it works great,

User currently offlineAirbus Lover From Malaysia, joined Apr 2000, 3248 posts, RR: 9
Reply 2, posted (12 years 7 months 1 day 2 hours ago) and read 2393 times:

I see. Someone knows the answer to my other questions?

User currently offlineIllini_152 From United States of America, joined Jan 2001, 1000 posts, RR: 2
Reply 3, posted (12 years 7 months 1 day 1 hour ago) and read 2382 times:

It sounds like you're having latency issues. Let me guess, you're using Windows' internet sharing options?

What's happening is you're using a workstation also as a gateway. Every reqest from a client FIRST is broadcasted to every computer on the network (if you're using a hub and not a switch) until the request gets to the gateway. Then your gateway/workstation forwards it on to the internet. Reverse this process for incoming data. Once the download starts, the bandwidth is there, but there's alot of overhead for reqests, especially if your hosting computer is a bit slower, or is running other tasks, remember, it's NOT optimized for internet sharing, it's optimized to be a workstation.

What are the specs on your host computer?

You might be better off using a dedicated router. These are for sale for as little as $50-$100. They are small, usually about 5x6x2 and are have dedicated solid state software designed to JUST share an internet connection. Most of them have built in DHCP servers, firewall software, and at least 2 sometimes more switched RJ45 ports.


Happy contrails - I support B747Skipper and Jetguy
User currently offlineTurbolet From Cape Verde, joined Nov 2007, 0 posts, RR: 1
Reply 4, posted (12 years 7 months 1 day ago) and read 2369 times:

I can only give you advice on the second part of your question - ADSL. We have a Windows 98 PC and an iMac (which I'm using right now) in the household and the best solution for ADSL we've come up with is using the Siemens USB modem. Plug it into one of the computers, connect, then plug it out and plug it into the other... works perfectly till now.

User currently offlineUN_B732 From United States of America, joined Jul 2001, 4296 posts, RR: 4
Reply 5, posted (12 years 7 months 20 hours ago) and read 2371 times:

Windows ICS is horrible routing wise. The easiest way to do it is to use a Router if It plugs in via CAT5 and Route for about $70. The other way to do it is to take an old machine and use a Linux micro-kernel for routing. E-mial me for more info about micro-kernels at cutekid_vt@yahoo.com. You would need an old machine with 2 ethernet cards.
-Transaero Boeing 737-200

What now?
User currently offlineAirbus Lover From Malaysia, joined Apr 2000, 3248 posts, RR: 9
Reply 6, posted (12 years 7 months 15 hours ago) and read 2354 times:

Yes indeed I am using Windows ICS and a workstation as a gateway.
But I am using an ADSL USB modem...

Host specs:

Intel P4 1.8GHz
512MB DDR PC2100 RAM
30GB 7200rpm HDD
One ethernet card

the hub is a 3com office connect 8 port hub. not switch

User currently offlineAirbus Lover From Malaysia, joined Apr 2000, 3248 posts, RR: 9
Reply 7, posted (12 years 6 months 4 weeks 1 day 1 hour ago) and read 2351 times:

Someone please?


User currently offlineIllini_152 From United States of America, joined Jan 2001, 1000 posts, RR: 2
Reply 8, posted (12 years 6 months 4 weeks 1 day 1 hour ago) and read 2352 times:

My guess would be your problem, as others have stated, lies with latency issues with Microsoft's ICS. It is usually a Bad Idea to let any workstation on a network handle some sort of server role, as the box ends up running neither task very well, especially through the USB bus.

I would reccomend that you pick up a dedicated router and see if that doesn't fix your latency issues. You'll also have to contact your ISP and get an RJ45 based modem as well.

I've been using one of these bad boys for a couple of years now and am quite pleased:

The price has gone down a LOT since I first got mine, they're easy to configure too.

I've also used this one as well:

IIRC, the SMC wireless version has a more robust firewall built in. And with the wireless one you'll be able to get a wireless NIC for your laptop, and be able to surf wherever you want in your house. Nothing like surfing the web on the can!


Happy contrails - I support B747Skipper and Jetguy
User currently offlineAirbus Lover From Malaysia, joined Apr 2000, 3248 posts, RR: 9
Reply 9, posted (12 years 6 months 4 weeks 6 hours ago) and read 2330 times:

Thanks Mike.

Well then it was very stupid of me. If I were to use a DSL network modem from the ISP / KISP), USA - New York">ISP (which I rejected and got rebates on the bill so I have to buy my own modem), I dont have enough anymore 'places' for another card. I still need my 56K modem for faxing purposes unless there is any DSL network card modem with built in fax capability.

Anyone know any DSL network card modem with built in fax capability? I think all I can do now is look for one of these, and then replace my current 3Com 56K modem. After that I can get a router

Waiting for suggestions/recommendations on a network card DSL modem with fax function.

I am also looking to set up wireless network for the home computers. Anyone have any suggestions on where I should start, what hardware I should buy and around how much it would cost? I am unfamiliar with these and don't know where to start. Getting network cables all over the house over the ceiling under the wall etc is troublesome and quite expensive.

[Edited 2003-03-22 12:31:30]

User currently offlineIllini_152 From United States of America, joined Jan 2001, 1000 posts, RR: 2
Reply 10, posted (12 years 6 months 4 weeks 3 hours ago) and read 2336 times:

I don't know of any internal DSL modems to tell the truth. Everyone I've seen is external and uses RJ45. I'm assuming you do have at least a network card in your computer right now, and that's all you'll need.

The router will have 3 to 5 RJ45 jacks on the back, one is labled WAN, the rest 1-4, depending on how many you have. You'd connect the modem to the WAN port, and run cat5 from the router to your computers, or configure the wireless cards.

To set up a wireless network all you'll need is the wireless router and wireless network cards for all your workstations. Expect to pay about $100 for each workstation plus whatever the router costs.


Happy contrails - I support B747Skipper and Jetguy
User currently offlineAirbus Lover From Malaysia, joined Apr 2000, 3248 posts, RR: 9
Reply 11, posted (12 years 6 months 4 weeks 3 hours ago) and read 2318 times:

Mike, I don't really get what you said abt the modems. I do have one network card on my computer now (using Windows ICS to share). So I have to get an external modem that uses RJ45 and yet the phone line plugged into the modem?

the 3-4 RJ45 jacks, i assume, are for the other computers on the network. And this means my hub will be of no use then? I can then connect the modem to the WAN port using the RJ45 cable?

Do you have links to specific type of such model whereby I can gain more understanding?

Thanks a lot.

oh and for wireless network, normally wat is the coverage radius? My computers at home are quite far away in different corners of the house maybe the furtherest apart is about 50m with walls in the middle, will it work like that?

User currently offlineWoodreau From United States of America, joined Sep 2001, 1129 posts, RR: 6
Reply 12, posted (12 years 6 months 4 weeks 1 hour ago) and read 2348 times:

I'm a bit confused here... For ADSL, you have to buy the DSL modem from your ISP because from what I understand, there are several different standards and you don't know which standard your ISP is using. And consequently on the DSL modem your ISP provider sells to you works with their service.

I've looked and haven't found any DSL modems on the market. You can however buy a cable modem because it's standard.

How is your connection currently set up?

DSL -> DSL modem -> PC computer (thru Windows ICS) -> iMac ?

I don't think you can share thru the connection sharing unless you have another Ethernet card to connect between your Mac and PC computer (because the first card is connected to your DSL modem.)

the 3Com hub you have is simply a hub and it won't know what to do with the info coming in from the DSL modem (it just rebroadcasts it to all 8 ports.)

Most DSL service is setup to provide a single dynamic IP to your DSL connection, which your PC computer is using to connect.

One way you can share the connection is to get a router which everyone is suggesting. But you need to check your terms of service with the DSL provider to see if they allow you to share your connection between several computers.

I do have a Mac and a PC sharing a DSL connection: and it works fine.

DSL --[RJ-11 telephone cable]--> DSL Modem --[Cat 5 Ethernet cable]--> router

router port 1 --[Cat 5 cable]--> PC Computer
port 2 --[Cat 5 cable]--> Mac Computer
port 3 --[Cat 5 cable]--> Network Printer
port 4 --[Cat 5 cable]--> empty can put a 8-port switch/hub here to add 8 more computers

Is you DSL modem hooked into your computer thru the USB port or thru an RJ-45 cable?

If you get a router, the router has the hardware to pretend it's a computer, then it takes the info and translates/redirects the info to the internal network in your house.

Because the router is also capable of performing the duties of a switch/hub, it also networks everything together. so I can share files from my Mac to PC (thru PC MACLAN) To print, the Mac uses it's own drivers to print across the network, the PC also prints across the network.

With a router you can use DHCP to assign each of your computers an IP automatically so you don't have to manually set each computer's IP manually.

As far as wireless, the coverage depends on the tx power of the base station, the construction of your house. You can only tell by actually setting up a wireless station in your home and then walking around to find your dead zones. You may find that you can't get a signal in one room with the base in another room. You may need several base stations to eliminate the dead zones. Of course that means hooking up all the base stations with RJ-45 cables.

Bonus animus sit, ab experientia. Quod salvatum fuerit de malis usu venit judicium.
User currently offlineDelta-flyer From United States of America, joined Jul 2001, 2676 posts, RR: 6
Reply 13, posted (12 years 6 months 4 weeks ago) and read 2319 times:

The router with wireless access point is the best solution. I have that in my house. We have a D-Link DI-624, and connected to it is an 8-port switch, and to the switch are connected 4 Mac desktops, 1 Win PC laptop, 1 laser printer, and a wireless Powerbook 15".

A more novel solution for you may be to use a "combo" DSL modem that has one each USB and ethernet ports. You can connect your Win PC to the USB port, and the Mac to the ethernet. This will allow you to keep your faxmodem in the PC card slot.

Here is a connection diagram for such a configuration:
(the top diagram is a basic connection, while the bottom shows a wireless option)

And the product information:


User currently offlineAirbus Lover From Malaysia, joined Apr 2000, 3248 posts, RR: 9
Reply 14, posted (12 years 6 months 3 weeks 5 days 17 hours ago) and read 2312 times:

Thanks for your response, has been very helpful..

So a Cat 5 Ethernet cable is something totally different from RJ45 ?

CUrrently mine works like that

DSL->DSL USB Modem->PC->(Windows ICS)->All other computers via hub

When i bought this DSL service, I was given the choice of renting a network based DSL modem from the provider or just buy my own (USB or netowrk based, my choice and I chose USB, a mistake huh?  Sad ).

My DSL phone line is then hooked to my computer via the USB as it is not network based and won't accept RJ45.

My printers are all not network ready as they are all USB printers. If I happen to have one network ready printer then I can easily hook it on the router or my hub and that means all computers on the network can print VIA the network using its own drivers?

Is DHCP that important? I am a dummy with these so wat's the difference if it automatically assigns your IP? currently on my network computers I just like go to 'winipcfg' and renew it.. And will the DHCP still work if I connect my 8-port hub to the router?

User currently offlineDelta-flyer From United States of America, joined Jul 2001, 2676 posts, RR: 6
Reply 15, posted (12 years 6 months 3 weeks 5 days 16 hours ago) and read 2311 times:


The Cat-5 cable uses RJ45 connectors -- they mean the same thing.

I am not sure DHCP is that important -- without it, you must assign permanent IP addresses to each computer. With DHCP, the router assigns IP addresses dynamically, so no matter in what order you turn on your computers, they will each get the next available IP number. The IP number range is defined by the router.

Since you already have a USB modem, you are a bit hampered in expanding your system. I think maybe a multi-port switch would be faster than a hub. But I think the best approach is to have a DSL modem with an ethernet port, a router, and all computers and network printers connected to the router via ethernet. But that means exchanging your modem.

The USB printer can be connected to the PC and the network-ready printer to one of the router's free ethernet ports. I think Win has a fuction that you can set to make the USB printer available to other computers on the network, but the Mac will also need the printer driver installed. In this configuration, the printer will only function when the PC to which it is connected is running.

The network printer that is connected via ethernet is independent of any computer, and will work from either one. But each computer must have the drivers installed to access the network printer. Note that all major printer brands have both Mac and Win drivers. They can be downloaded from the printer manufacturer's web site if you do not have the original install disk.

The next best configuration is what I have provided in my previous post, but you will not have an extra ethernet port for the network printer.

But no matter what you do, first write to the equipment (router, modem) manufacturer's tech support and run your planned configuration by them, to make sure it will work.


User currently offlineAirbus Lover From Malaysia, joined Apr 2000, 3248 posts, RR: 9
Reply 16, posted (12 years 6 months 3 weeks 5 days 7 hours ago) and read 2305 times:

Thanks alot Pete.

I will look into a router option and ehternet DSL modem...

I can hook my hub onto one of my ethernet ports to extend it with more 'sockets' for other computer/printers rite?

I currently share printer via the Windows sharing option and yes it requires the computer running it to be on... And I believe with Macs using PC installed printer it is the same, you have to install the Mac driver on the Mac and the PC respectively.

User currently offlineIllini_152 From United States of America, joined Jan 2001, 1000 posts, RR: 2
Reply 17, posted (12 years 6 months 3 weeks 4 days 23 hours ago) and read 2288 times:

Yes, you can connect your hub to the switch to expand your network. I don't think you'll see a major network slowdown from using a switch versus a hub, you'd need a LOT more traffic for that.

But you WILL need to either connect to an uplink port on the hub, or if it doesn't have an uplink port, use a crossover cable as opposed to patch cable to connect the two.

Crossover cable can be made with the following color guide:


Or, I guess you could just buy it, as opposed to crimping it yourself...

Happy contrails - I support B747Skipper and Jetguy
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