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Old 09-22-2004, 08:31 PM   #1
zenox
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iTunes Sharing on "dual-subnet" network

I have one PowerMac, two PowerBooks and one iBook; all running the latest OS X Panther (the PowerMac is running Mac OS X Server).

All my music (iTunes Music Library) is on the server (PowerMac) and iTunes is always opened on the server (to share the music to the other Macs).

Below I'll post the diagram representing my network setup.

I "just" need 2 things:

1) I need all my 4 Macs to have an internet connection ('wireless' for my notebooks and 'wired' for my server)

2) I need my three wireless notebooks to be able to access the shared music on the server (using the iTunes Sharing feature via Rendezvous)

Ok, here is my network setup (Configuration A):




I also tried this one (Configuration B):



Note: my ADSL router (192.168.1.1) can only distribute 4 IPs (from 192.168.1.2 to 192.168.1.5)


The problems...

...with Configuration A):
I get 1) but not 2) since the notebooks are on their own subnet (10.0.1.X) behind the AirportExpress' router and iTunes cannot reach the shared library on the other subnet (192.168.1.X)

...with Configuration B):
I get 2) but not 1) since one notebook can't get a valid IP with internet connection (as said above, the ADSL router can only distribute 4 IPs)


Is there a way to satisfy both 1) AND 2) ?

Pleeeeeease can anybody help?
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Old 09-22-2004, 08:33 PM   #2
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I know there're quite a lot of threads here on the board discussing about similar problems... I've read them all, and tried everything!! but I cannot find any working solution

I've also tried the latest trick here: http://www.macosxhints.com/article.p...40917142657647 but didn't worked for me
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Old 09-22-2004, 09:36 PM   #3
ephramz
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Have you tried Network Beacon (formerly Rendevous Beacon) as described here:
http://forums.macosxhints.com/archive/index.php/t-16197

Or the simpler description:
http://blogs.warwick.ac.uk/showall/daily/130604/
look for "Leaky iTunes" a few pages down.
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Old 09-23-2004, 02:13 AM   #4
Las_Vegas
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How about turning off DHCP on the Router/DSL as well as the Airport Express. Then enable Network Sharing on the Server PowerMac through the same Ethernet port. This would cause the Airport Express and all three Powerbooks to get their IP addresses from the PowerMac via DHCP. The only problem then would be that the PowerMac must be running at all times for the others to access the Internet.
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Old 09-23-2004, 02:42 AM   #5
ulrichm
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First of all, nice graphics.
Secondly, another option is to assign every device its own IP address (e.g. 192.168.1.1-255) manually. Then the server will not have to be on all the time for the other computers to access the internet.
BTW what kind of router do you have which only leases 4 IP addresses through DHCP? I have never heard that before.
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Old 09-23-2004, 03:23 AM   #6
Las_Vegas
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The 4 addresses are a limitation of the router built into the ADSL Modem. Assigning IP's manually as you suggest would result in his 2nd setup. Now, giving the Airport Express the address 192.168.1.6 should work fine, since it doesn't need access to the ADSL to handle the iTunes music...
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Last edited by Las_Vegas; 09-23-2004 at 03:29 AM.
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Old 09-23-2004, 03:29 AM   #7
zenox
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Quote:
Originally Posted by ephramz
...Or the simpler description:
http://blogs.warwick.ac.uk/showall/daily/130604/
look for "Leaky iTunes" a few pages down.

I can't believe it , I tried Network Beacon a couple of time before but never worked...now, following the simple description on the link you provided...it just work! Thanks!

Ok, now, I don't want to be too much demanding...but does this mean I'll need to keep Network Beacon launched each time I want to listen to my music?
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Old 09-23-2004, 03:38 AM   #8
zenox
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Quote:
Originally Posted by ulrichm
First of all, nice graphics.

yeah, OmniGraffle kicks some serious ass


Quote:
Originally Posted by ulrichm
...Then the server will not have to be on all the time for the other computers to access the internet.

in both setups I posted above, my server does not have to be on all the time for the other computers to access the internet (AiportExpress and the PowerMac are connected to the same switch that is connected to the ADSL router...)


Quote:
Originally Posted by ulrichm
BTW what kind of router do you have which only leases 4 IP addresses through DHCP? I have never heard that before.

It's maybe a damned issue with Internet Providers here in Switzerland: the router (built into the ADSL Modem) is sort of "blocked" and can ony lease 4 IP with internet connection...
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Old 09-23-2004, 03:46 AM   #9
zenox
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Quote:
Originally Posted by Las_Vegas
...Then enable Network Sharing on the Server PowerMac...
...The only problem then would be that the PowerMac must be running at all times for the others to access the Internet.

That's is exaclty why I didn't do that (the server is quite noisy, thus sometimes I turn it off )
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Old 09-23-2004, 11:54 AM   #10
ephramz
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Well, yeah, Network Beacon would need to be on all the time you wanted to access the iTunes Library on the other subnet, but you could run the command line version instead, mDNS Responder:
https://daw.apple.com/cgi-bin/WebObj...dezvous.tar.gz
if you just don't want another gui cluttering up your desktop.

Either one you could just put in Login Items for your account to start it automatically and run it hidden so it won't bother you.
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Old 09-23-2004, 03:08 PM   #11
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Really, the simplest solution is to pick up a Linksys Router (BEFSR11) for under $40US (Even less with rebates!) and stick it between the ADSL and Switch. Then the ADSL is only supplying one IP address and the Linksys is distributing the network to everything.
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Old 09-23-2004, 04:15 PM   #12
zenox
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Quote:
Originally Posted by Las_Vegas
Really, the simplest solution is to pick up a Linksys Router (BEFSR11) for under $40US (Even less with rebates!) and stick it between the ADSL and Switch....

I see a problem with that solution, correct me if I'm wrong:

I use my PowerMac as a Server; as a local server for my local network, and also as an ftp/web/ssh server accessible from the outside. Thus I configured the router (built into the ADSL modem) to forward some ports (21/80/22) to my PowerMac (192.168.1.2).
Now, the problem I see with your solution is that it would mean putting my PowerMac behind TWO routers...and in this case how can I make it accessible from the outside? I mean, is there a way to configure the port forwarding to pass two routers so that I'll be able, for exemple, to access from work the ftp server I have at home on my Powermac?
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Old 09-23-2004, 04:28 PM   #13
ulrichm
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I can only say it again: configure the IP manually. For port forwarding it is actually necessary and it will make the rest of your network easy to maintain.
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Old 09-23-2004, 06:19 PM   #14
Las_Vegas
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Quote:
Originally Posted by zenox
I mean, is there a way to configure the port forwarding to pass two routers so that I'll be able, for exemple, to access from work the ftp server I have at home on my Powermac?

Very simple actually. Just forward everything to the Linksys (ports 0-65535), then use the Linksys to handle port forwarding. I've found the Linksys to be a quite effective firewall and simple to configure port forwarding. You don't really need to forward everything to the Linksys, but then it would require setting forwarding separately on both routers anytime you wish to make a change.
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