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Benefits of Time Capsule

2764 Views 14 Replies Latest reply: Sep 25, 2011 9:10 PM by AndyTNZ RSS
AndyTNZ Calculating status...
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Sep 17, 2011 4:15 AM

I currently run Time Machine backups from my iMac via USB to a Seagate FreeAgent external HD - which works well.

 

I have a Netgear modem / router at the heart of the home wifi - which also works well.

 

I like the idea of Time Capsule in principle but before I incur the not inconsiderable expenditure, I'd be interested in the community's views on the technical benefits of moving to Time Capsule backups?

iMac 27" : iPad : iPhone 4 : iPods
  • Bob Timmons Level 9 Level 9 (75,865 points)
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    Sep 17, 2011 6:21 AM (in response to AndyTNZ)

    The Time Capsule is a wireless router with a built-in hard drive.

     

    Depending on what version of the Time Capsule you are looking at, probably a third to half of the cost is tied up in the wireless router function of the device.

     

    So, the first question to really ask is.....do you need another wireless router?

  • Bob Timmons Level 9 Level 9 (75,865 points)
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    Sep 24, 2011 5:59 AM (in response to AndyTNZ)

    If you are happy with your current wireless network, the easiest (and best) way to add the TC to your network is connect an Ethernet cable from one of the available LAN <-> ports on the Netgear router to the WAN port (circle of dots icon) on the TC, and then configure the TC to act as a "bridge" on your network.

     

    Backups will occur over your current Netgear wireless network, and you also will have the option of connecting your computer directly to one of the Ethernet ports on the TC to allow backups to occur 3-4 times faster than wireless will allow.

     

    Since you probably don't need another wireless network, you can simply turn off the wireless on the TC.

     

    Another configuration option....although it is more difficult.....is to configure the TC to "join" your existing wireless network. Backups will occur over wireless only, so you could locate the TC anywhere you want as long as it can receive a good wireless signal. It this type of configuration, the TC functions simply as a wireless hard drive.

  • Bob Timmons Level 9 Level 9 (75,865 points)
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    Sep 24, 2011 6:26 AM (in response to AndyTNZ)

    The TC's dual band wireless network would be a better choice in terms of performance, but your Netgear "extender" will not work with the TC, so although you will have a faster network with TC, it will not cover as much area as your current setup.

  • Bob Timmons Level 9 Level 9 (75,865 points)
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    Sep 24, 2011 6:43 AM (in response to AndyTNZ)

    You could, but the chances of wireless interference issues between the two networks comes into play now. It is not possible to know in advance whether this will work well or not if you run 2 wireless networks in the same area. You would simply have to try it to see.

  • LaPastenague Level 7 Level 7 (32,990 points)
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    Sep 24, 2011 4:10 PM (in response to AndyTNZ)

    Just to pop in.. your two wireless networks will not compete with each other if you can use 5ghz.. which has more channels and bandwidth available than 2.4ghz which is restricted. If your clients can use 5ghz and you can place the TC close to where they are used 5ghz is faster and suffers less interference.. but it doesn't handle passing through materials like walls as well. If you do run both on 2.4ghz set to manual for wireless and setup with fixed channel. The TC only uses a single channel.. 20mhz on 2.4ghz.. they do not allow high speed so the netgear may well work better. There are only 3 non-overlapping wireless channels, 1, 6 and 11 (12-14 in some parts of the world). So if you use netgear on 1 and use 40mhz it will need two channels and so the TC should use 11(12, or 13 also possible depending on location).

     

    The actual setup of the TC into the existing network is easy as Bob already indicated. Just bridge the TC and plug it into the netgear via ethernet.. when you do so, the TC will pick up an ip from the netgear and all routing functions will be handled by netgear. The TC will also swap the WAN port to LAN so you have 4 LAN ports effectively.

  • Bob Timmons Level 9 Level 9 (75,865 points)
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    Sep 25, 2011 6:41 PM (in response to AndyTNZ)
    How do I restrict the TC to operate at 5Ghz only .... as presumably its interference at 2.4 Ghz that's causing the problem?

    This is not possible with the dual band TC as both 2.4 GHz and 5 GHz are always enabled.

     

    1. Would changing the Netgear channel from 6 to 1 perhaps help?

    Probably not....since you already have things between the TC and Netgear separated by 5 channels....but it could not hurt to try in case you are picking up some 2.4 GHz interference from another nearby wireless network.

     

    Remember....most scanners cannot pick up a "closed" network, so there is always a possibility that you are picking up interference from a network that you cannot "see".

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