Wireless modem connection to G4 tower
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From: dorayme on 1 Feb 2010 19:11 In article <010220100233064987%nospam(a)nospam.invalid>, nospam <nospam(a)nospam.invalid> wrote: > In article <doraymeRidThis-59C638.18184601022010(a)news.albasani.net>, > dorayme <doraymeRidThis(a)optusnet.com.au> wrote: > > > Just another thought. Since I am fairly sure my new Macbook will > > pick up the signal to go internet in this situation, is there a > > way to deliver that online connection signal from the ethernet > > port to my G4 QS ethernet port via a short ethernet cable (which > > I have many of). I would happily run the laptop to get the > > signal... > > sharing preference panel, click on internet sharing. share it from > airport to ethernet. This sounds interesting. So what would happen, 1. I connect up my Macbook to the Tiger G4 with a short ethernet cable. 2. I tick the internet sharing box in the sharing panel on my and Snow Macbook. 3. I tick internet for the port on my Macbook And then my G4 would simply be connected to the internet without further ado? No further ticking anywhere? I can just carry on as I usually do on my G4? I like this idea. What about the local server on the g4, will that be ok too? And what about this ominous notice that came up on the Macbook when I was ticking the boxes as per above: "If your computer is connected to a network, turning on Internet sharing may affect the network settings of other computers and disrupt the network. Contact your system administrator before turning on Internet sharing." Where I might be moving my office to - see thread - has, as I understand, only one wireless connection and a single Windows (owned by owner of building) laptop accessing it *wirelessly*. So maybe this notice does not apply? I would be very reluctant to muck up anything on this Win laptop of the owner of the building! -- dorayme
From: David Empson on 1 Feb 2010 19:38 dorayme <doraymeRidThis(a)optusnet.com.au> wrote: > In article <010220100233064987%nospam(a)nospam.invalid>, > nospam <nospam(a)nospam.invalid> wrote: > > > In article <doraymeRidThis-59C638.18184601022010(a)news.albasani.net>, > > dorayme <doraymeRidThis(a)optusnet.com.au> wrote: > > > > > Just another thought. Since I am fairly sure my new Macbook will > > > pick up the signal to go internet in this situation, is there a > > > way to deliver that online connection signal from the ethernet > > > port to my G4 QS ethernet port via a short ethernet cable (which > > > I have many of). I would happily run the laptop to get the > > > signal... > > > > sharing preference panel, click on internet sharing. share it from > > airport to ethernet. > > This sounds interesting. So what would happen, > > 1. I connect up my Macbook to the Tiger G4 with a short ethernet > cable. > > 2. I tick the internet sharing box in the sharing panel on my > and Snow Macbook. > > 3. I tick internet for the port on my Macbook You would choose Airport from the "Share your connection from" menu and tick the Ethernet box in the "To computers using" list. > And then my G4 would simply be connected to the internet without > further ado? No further ticking anywhere? I can just carry on as > I usually do on my G4? I like this idea. Correct. The G4 just needs its Ethernet configured with the default settings (Using DHCP). There is one minor catch: the MacBook operates as a NAT router, and there is probably another one between it and the Internet. Having a double-NAT arrangement causes problems for some applications, which is likely to prevent the use of software like iChat (for video/audio) or Skype on the G4. > What about the local server on the g4, will that be ok too? Serving what to where? The only computers that will be able to initiate a connection to the G4 will be the G4 itself and the MacBook (plus other computers on the same local Ethernet network hosted by the MacBook's Internet Sharing, e.g. if you had a switch and several computers connected together). Other computers on the existing building Ethernet/WiFi network will not be able to connect to your G4, and neither will anything on the Internet. It may be possible to reconfigure the NAT on the MacBook to open ports, but Apple doesn't provide any user interface for this. Again, double-NAT is likely to cause problems. By comparison, with my Airport Express suggestion (or using a long Ethernet cable across the hall), your G4 would be bridged to the established Ethernet/WiFi network, and would be accessible to all computers on that network without doing anything complicated. It would also be accessible from the Internet if appropriate port mapping rules were entered in the primary router for the network. There would only be a single layer of NAT, so applications like iChat and Skype should work (assuming the primary router is compatible with them). > And what about this ominous notice that came up on the Macbook > when I was ticking the boxes as per above: > > "If your computer is connected to a network, turning on Internet > sharing may affect the network settings of other computers and > disrupt the network. Contact your system administrator before > turning on Internet sharing." This is mainly warning against the situation where someone tries to turn on Internet Sharing to share "to" an established network. If there is already a DHCP server on the network, the MacBook will be acting as another DHCP server creating a different (or possibly overlapping) range of IP addresses, and this is likely to cause serious disruption to the network. No problem as long as you are careful and quite clear on what devices are connected to each networ. > Where I might be moving my office to - see thread - has, as I > understand, only one wireless connection and a single Windows > (owned by owner of building) laptop accessing it *wirelessly*. So > maybe this notice does not apply? I would be very reluctant to > muck up anything on this Win laptop of the owner of the building! As long as you are sharing FROM the wireless network TO a new Ethernet network, there is no problem. If you tried to do it the other way around, you would disrupt DHCP on the wireless network. Also answering a question earlier in the thread: > Considering the temporary nature of the arrangement, maybe a cable > would be cheapest, how long can such a cable be? Can it be 20 metres > or more? All the common variants of Ethernet based on UTP (RJ-45 connectors and 8-core cable) support cable lengths of up to 100 metres between the computer and switch, so no problem there. -- David Empson dempson(a)actrix.gen.nz
From: dorayme on 1 Feb 2010 20:47 In article <1jdafn9.10dwks5fp90zzN%dempson(a)actrix.gen.nz>, dempson(a)actrix.gen.nz (David Empson) wrote: > dorayme <doraymeRidThis(a)optusnet.com.au> wrote: > > > In article <010220100233064987%nospam(a)nospam.invalid>, > > nospam <nospam(a)nospam.invalid> wrote: > > > > > In article <doraymeRidThis-59C638.18184601022010(a)news.albasani.net>, > > > dorayme <doraymeRidThis(a)optusnet.com.au> wrote: > > > > > > > Just another thought. Since I am fairly sure my new Macbook will > > > > pick up the signal to go internet in this situation, is there a > > > > way to deliver that online connection signal from the ethernet > > > > port to my G4 QS ethernet port via a short ethernet cable (which > > > > I have many of). I would happily run the laptop to get the > > > > signal... > > > > > > sharing preference panel, click on internet sharing. share it from > > > airport to ethernet. > > > > This sounds interesting. So what would happen, > > > > 1. I connect up my Macbook to the Tiger G4 with a short ethernet > > cable. > > > > 2. I tick the internet sharing box in the sharing panel on my > > and Snow Macbook. > > > > 3. I tick internet for the port on my Macbook > > You would choose Airport from the "Share your connection from" menu and > tick the Ethernet box in the "To computers using" list. > Yes, that is understood (I should have included it in foregoing) > > And then my G4 would simply be connected to the internet without > > further ado? No further ticking anywhere? I can just carry on as > > I usually do on my G4? I like this idea. > > Correct. The G4 just needs its Ethernet configured with the default > settings (Using DHCP). > Just a word on this. Where I am now, all is configured right to receive internet via my ADSL modem and ethernet cable. When I bring up the Network panel showing "Built-in Ethernet", it has Location: Automatic For TCP/IP: Using DHCP For IP Address, Subnet Mask, Router: various numbers. There is an IPv6 Address that looks forbiding! And there are some buttons. The text fields ("DNS Servers" for example) are empty. Do I just leave all this alone? Nothing much on other tabs in the main panel. But there is the Ethernet one. I have it Configure: Automatically I guess I would leave this as is. > There is one minor catch: the MacBook operates as a NAT router, and > there is probably another one between it and the Internet. Having a > double-NAT arrangement causes problems for some applications, which is > likely to prevent the use of software like iChat (for video/audio) or > Skype on the G4. > These two I have no need for. My main apps are PS, Fireworks, Illustrator, BBEdit, MTNewswatcher and Mail. I could happily manage temporarily with just these - I think! > > What about the local server on the g4, will that be ok too? > > Serving what to where? > The built in server so I can see websites (in the Sites folder) I develop without needing to be online. > The only computers that will be able to initiate a connection to the G4 > will be the G4 itself and the MacBook (plus other computers on the same > local Ethernet network hosted by the MacBook's Internet Sharing, e.g. if > you had a switch and several computers connected together). > > Other computers on the existing building Ethernet/WiFi network will not > be able to connect to your G4, and neither will anything on the > Internet. > > It may be possible to reconfigure the NAT on the MacBook to open ports, > but Apple doesn't provide any user interface for this. Again, double-NAT > is likely to cause problems. > > By comparison, with my Airport Express suggestion (or using a long > Ethernet cable across the hall), your G4 would be bridged to the > established Ethernet/WiFi network, and would be accessible to all > computers on that network without doing anything complicated. It would > also be accessible from the Internet if appropriate port mapping rules > were entered in the primary router for the network. There would only be > a single layer of NAT, so applications like iChat and Skype should work > (assuming the primary router is compatible with them). > > > And what about this ominous notice that came up on the Macbook > > when I was ticking the boxes as per above: > > > > "If your computer is connected to a network, turning on Internet > > sharing may affect the network settings of other computers and > > disrupt the network. Contact your system administrator before > > turning on Internet sharing." > > This is mainly warning against the situation where someone tries to turn > on Internet Sharing to share "to" an established network. If there is > already a DHCP server on the network, the MacBook will be acting as > another DHCP server creating a different (or possibly overlapping) range > of IP addresses, and this is likely to cause serious disruption to the > network. > > No problem as long as you are careful and quite clear on what devices > are connected to each networ. > > > Where I might be moving my office to - see thread - has, as I > > understand, only one wireless connection and a single Windows > > (owned by owner of building) laptop accessing it *wirelessly*. So > > maybe this notice does not apply? I would be very reluctant to > > muck up anything on this Win laptop of the owner of the building! > > As long as you are sharing FROM the wireless network TO a new Ethernet > network, there is no problem. If you tried to do it the other way > around, you would disrupt DHCP on the wireless network. > All I would do is turn on the Macbook, select a wifi name that is available (with locks necxt to them usually) put in the password to that box that comes up when you select one of them and connect my Macbook to the G4 with a short ethernet cable. The beauty of this is I need buy nothing more. I have the Macbook and I have umpteen short cables and I don't need to suggest cables under rugs in hallways passing into private rooms (where the main wireless modem is likely located) of the owner of the building who lives there! But it is is still a definite option! > > Also answering a question earlier in the thread: > > > Considering the temporary nature of the arrangement, maybe a cable > > would be cheapest, how long can such a cable be? Can it be 20 metres > > or more? > > All the common variants of Ethernet based on UTP (RJ-45 connectors and > 8-core cable) support cable lengths of up to 100 metres between the > computer and switch, so no problem there. Great. I might have to buy or make one, perhaps 20 or 30 metres will do the trick. -- dorayme
From: David Empson on 1 Feb 2010 21:28 dorayme <doraymeRidThis(a)optusnet.com.au> wrote: > In article <1jdafn9.10dwks5fp90zzN%dempson(a)actrix.gen.nz>, > dempson(a)actrix.gen.nz (David Empson) wrote: > > > dorayme <doraymeRidThis(a)optusnet.com.au> wrote: > > [snip] > > > And then my G4 would simply be connected to the internet without > > > further ado? No further ticking anywhere? I can just carry on as > > > I usually do on my G4? I like this idea. > > > > Correct. The G4 just needs its Ethernet configured with the default > > settings (Using DHCP). > > > > Just a word on this. Where I am now, all is configured right to > receive internet via my ADSL modem and ethernet cable. When I > bring up the Network panel showing "Built-in Ethernet", it has > > Location: Automatic > > For TCP/IP: Using DHCP > > For IP Address, Subnet Mask, Router: various numbers. > > There is an IPv6 Address that looks forbiding! > > And there are some buttons. The text fields ("DNS Servers" for > example) are empty. > > Do I just leave all this alone? Yes. If you are using a DHCP server, it supplies the IP address, subnet mask, router, and DNS settings. You will note that only the DNS fields are editable. This allows you to manually specify a DNS server if you have some reason to want to use a different one from the default supplied by your DHCP server. IPv6 is a non-issue yet, but in future it should work similarly (hopefully eliminating NAT). You probably have a self-assigned link-local IPv6 address at the moment, which starts with "FE80::" and ends with four groups of up to four hex digits separated by colons. It is only useful for IPv6 connections within the local network. > Nothing much on other tabs in the main panel. But there is the > Ethernet one. I have it > > Configure: Automatically > > I guess I would leave this as is. Yes. > > There is one minor catch: the MacBook operates as a NAT router, and > > there is probably another one between it and the Internet. Having a > > double-NAT arrangement causes problems for some applications, which is > > likely to prevent the use of software like iChat (for video/audio) or > > Skype on the G4. > > > > These two I have no need for. My main apps are PS, Fireworks, > Illustrator, BBEdit, MTNewswatcher and Mail. I could happily > manage temporarily with just these - I think! All of those will be fine. Generally speaking, double NAT doesn't cause problems for outgoing connections (e.g. Mail sending or fetching mail), but it does for incoming connections (which is needed for iChat and similar when establising a video or audio connection). > > > What about the local server on the g4, will that be ok too? > > > > Serving what to where? > > The built in server so I can see websites (in the Sites folder) I > develop without needing to be online. No problem. > > > And what about this ominous notice that came up on the Macbook > > > when I was ticking the boxes as per above: > > > > > > "If your computer is connected to a network, turning on Internet > > > sharing may affect the network settings of other computers and > > > disrupt the network. Contact your system administrator before > > > turning on Internet sharing." > > > > This is mainly warning against the situation where someone tries to turn > > on Internet Sharing to share "to" an established network. If there is > > already a DHCP server on the network, the MacBook will be acting as > > another DHCP server creating a different (or possibly overlapping) range > > of IP addresses, and this is likely to cause serious disruption to the > > network. > > > > No problem as long as you are careful and quite clear on what devices > > are connected to each networ. > > > > > Where I might be moving my office to - see thread - has, as I > > > understand, only one wireless connection and a single Windows > > > (owned by owner of building) laptop accessing it *wirelessly*. So > > > maybe this notice does not apply? I would be very reluctant to > > > muck up anything on this Win laptop of the owner of the building! > > > > As long as you are sharing FROM the wireless network TO a new Ethernet > > network, there is no problem. If you tried to do it the other way > > around, you would disrupt DHCP on the wireless network. > > > All I would do is turn on the Macbook, select a wifi name that is > available (with locks necxt to them usually) put in the password > to that box that comes up when you select one of them and connect > my Macbook to the G4 with a short ethernet cable. Yes. > The beauty of this is I need buy nothing more. I have the Macbook > and I have umpteen short cables and I don't need to suggest > cables under rugs in hallways passing into private rooms (where > the main wireless modem is likely located) of the owner of the > building who lives there! But it is is still a definite option! Indeed. -- David Empson dempson(a)actrix.gen.nz
From: dorayme on 1 Feb 2010 22:23
In article <1jdakp6.bhshal15u441gN%dempson(a)actrix.gen.nz>, dempson(a)actrix.gen.nz (David Empson) wrote: .... Thanks for all your clear and to the point help. Also to nospam for suggesting the third possibility. I am visiting the premises this avo and will take my Macbook to see if simply typing in a password does indeed get me online (never taken it out of here since the day I bought it!) Just by the way, not that it matters greatly, if I do the Macbook to G4 with a cable and rely on the Macbook getting the wireless connection to internet, will I be able to close the Macbook lid (the Snow L OS operating, of course) in what I think is called clamshell mode? Any things to watch out for in doing this if it is ok to do this? -- dorayme |