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Is It Possible To Have Two Concurrent Network Connections?

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  Is It Possible To Have Two Concurrent Network Connections? TaliesinSoft <taliesinsoft@me.com> - 2013-11-29 13:35 -0600
    Re: Is It Possible To Have Two Concurrent Network Connections? christian130530@ghanart.org (Christian) - 2013-11-29 23:14 +0100
    Re: Is It Possible To Have Two Concurrent Network Connections? Fred McKenzie <fmmck@aol.com> - 2013-11-29 17:41 -0500
      Re: Is It Possible To Have Two Concurrent Network Connections? Your Name <YourName@YourISP.com> - 2013-11-30 12:19 +1300
      Re: Is It Possible To Have Two Concurrent Network Connections? Siri Cruz <chine.bleu@yahoo.com> - 2013-11-29 18:01 -0800
    Re: Is It Possible To Have Two Concurrent Network Connections? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2013-11-29 21:09 -0500

#52854 — Is It Possible To Have Two Concurrent Network Connections?

Here's the situation....

I have an iMac which is wirelesslly connected to a Time Capsule which 
is used both for backups and for providing a wireless connection to an 
HP Envy printer. My sister has an Airport Extreme which is wirelessly 
accessible from m;;y computer. As things currently stand I need to 
invoke one network when I wish to print and the other when I wish to 
use the internet.  My question is whether there is a way to have both 
networks concurrently active so that I can both print and access the 
internet at the same time?

Many thanks in advance for any suggestions or solutions.

-- 
James Leo Ryan - Austin, Texas

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#52859

TaliesinSoft <taliesinsoft@me.com> wrote:

> My question is whether there is a way to have both 
> networks concurrently active so that I can both print and access the 
> internet at the same time?

Yes, should work - but only if one network is wired and the other is
wireless. A wireless card can only connect to one network at a time. 

You have two possibilities

a) get a cable connection between your computer and the Time Capsule.
You probbably want to set up the IP addresses manually / fixed for
thisconnection. And connect wirelessly to your sister's network, you may
use dynamic addresses (DHCP) here. 

b) use the TC to connect to your sister's WLAN directly as a client
(using it as a WLAN bridge). This _should_ work, I never tried it. Then
your computer connects to your sister's WLAN and since the TC is on the
same network you can also use it to print. 

Method b) would also allow your sister to access your devices, unless
you take some measures to block this. 

Christian 

-- 
Christian F. Buser, Hohle Gasse 6, CH-5507 Mellingen (Switzerland)
Hilfe fuer Strassenkinder in Ghana: http://www.chance-for-children.org

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#52862

In article <bfs8jnF6plvU1@mid.individual.net>,
 TaliesinSoft <taliesinsoft@me.com> wrote:

> Here's the situation....
> 
> I have an iMac which is wirelesslly connected to a Time Capsule which 
> is used both for backups and for providing a wireless connection to an 
> HP Envy printer. My sister has an Airport Extreme which is wirelessly 
> accessible from m;;y computer. As things currently stand I need to 
> invoke one network when I wish to print and the other when I wish to 
> use the internet.  My question is whether there is a way to have both 
> networks concurrently active so that I can both print and access the 
> internet at the same time?

James-

You only have one WiFi transceiver in your computer, so any additional 
network connections would need to be via another path such as Ethernet 
or USB.

I think you can do what you want by changing preferences on your Time 
Capsule.  If you set it to be a "client", and get its IP address 
wirelessly from the Airport Extreme, then you would only have to access 
one of them from your Mac to see the printer, the Time Machine volume 
and the Internet.

You could also eliminate the AirPort Extreme and use the Time Capsule 
for your Internet connections.  A Time Capsule is just an AirPort 
Extreme with a hard drive.

Fred

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#52864

In article <fmmck-B382A5.17413929112013@5ad64b5e.bb.sky.com>, Fred
McKenzie <fmmck@aol.com> wrote:
> In article <bfs8jnF6plvU1@mid.individual.net>,
> TaliesinSoft <taliesinsoft@me.com> wrote:
> > 
> > Here's the situation....
> > 
> > I have an iMac which is wirelesslly connected to a Time Capsule which 
> > is used both for backups and for providing a wireless connection to an 
> > HP Envy printer. My sister has an Airport Extreme which is wirelessly 
> > accessible from m;;y computer. As things currently stand I need to 
> > invoke one network when I wish to print and the other when I wish to 
> > use the internet.  My question is whether there is a way to have both 
> > networks concurrently active so that I can both print and access the 
> > internet at the same time?
> 
> James-
> 
> You only have one WiFi transceiver in your computer, so any additional 
> network connections would need to be via another path such as Ethernet 
> or USB.

Technically you could possibly plug in a USB Wi-Fi adaptor and use two
wi-fi networks at once, but it's probably not worth the effort, and
having two wi-fi running could potentially cause extra problems with
interferrence and slow-downs.




> I think you can do what you want by changing preferences on your Time 
> Capsule.  If you set it to be a "client", and get its IP address 
> wirelessly from the Airport Extreme, then you would only have to access 
> one of them from your Mac to see the printer, the Time Machine volume 
> and the Internet.
> 
> You could also eliminate the AirPort Extreme and use the Time Capsule 
> for your Internet connections.  A Time Capsule is just an AirPort 
> Extreme with a hard drive.

I'd probably go with this and just have one wi-fi network set-up, or
the cabled option that Christian suggested.

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#52868

In article <fmmck-B382A5.17413929112013@5ad64b5e.bb.sky.com>,
 Fred McKenzie <fmmck@aol.com> wrote:

> In article <bfs8jnF6plvU1@mid.individual.net>,
>  TaliesinSoft <taliesinsoft@me.com> wrote:
> 
> > Here's the situation....
> > 
> > I have an iMac which is wirelesslly connected to a Time Capsule which 
> > is used both for backups and for providing a wireless connection to an 
> > HP Envy printer. My sister has an Airport Extreme which is wirelessly 
> > accessible from m;;y computer. As things currently stand I need to 
> > invoke one network when I wish to print and the other when I wish to 
> > use the internet.  My question is whether there is a way to have both 
> > networks concurrently active so that I can both print and access the 
> > internet at the same time?
> 
> James-
> 
> You only have one WiFi transceiver in your computer, so any additional 
> network connections would need to be via another path such as Ethernet 
> or USB.

Also: you can have internet connections over each network device you have 
installed, like airport, each ethernet port, firewire, etc. The operating system 
sorts out which device to send traffic over. (Also you can have your Mac act as 
a router letting a computer on one connected network talk to another network 
through your Mac.)

-- 
:-<> Siri Seal of Disavowal #000-001. Disavowed. Denied. Deleted.
They hung there dependent from the sky
Like some heavy metal fruit
These bombers, ripened, ready to tilt

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#52869

On 13-11-29 14:35, TaliesinSoft wrote:

> use the internet.  My question is whether there is a way to have both 
> networks concurrently active so that I can both print and access the 
> internet at the same time?

Forgetting wi-fi for a minute, yes, it is possible. You have 2
interfaces with 2 network connections. However, you need to deal with
routes. One interface will have the default route to the internet
(anything destined to an IP outside your subnet goes to that
interface/router). And you will need a route specific for the subnet
used by the second interface.

Then with both interfaces active, your system knows which interafce to
use for any destination.


Now, factoring in wi-fi, I am not sure if it is possible to be connected
to 2 wi-fi networks at same time. I suspect it is, but you would need to
use command line.

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