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managing DSL modem

314 Views 4 Replies Latest reply: Dec 4, 2012 11:40 AM by LaPastenague RSS
rustianimal Calculating status...
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Nov 29, 2012 4:50 AM

I have just switched over my small office network to Time Capsule, which is operating now as the router/firewall, connected to a Billion 5200RC ADSL modem to connect onto my phone line ADSL service as follows:

 

Mac --- WiFi --- Time Capule -- Ethernet -- Billion -- Phone line -- ADSL Internet service

 

The Billion device is acting purely as a DSL to Ethernet modem, with the Time Capsule handling all the PPPoE, etc. However, I can't see the web-screen parameters of the Billion (that show ADSL status details, unless I directly connect the Mac to it.

 

Is there a way to configure the Time Capsule to allow a pass-thru to read the Billion web panel?

Time Capsule 802.11n (4th Gen), Firmware v7.6.1
  • Bob Timmons Level 9 Level 9 (75,470 points)
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    Nov 29, 2012 7:50 AM (in response to rustianimal)
    However, I can't see the web-screen parameters of the Billion (that show ADSL status details, unless I directly connect the Mac to it.

     

    This is normal, and expected behavior.

     

     

     

    Is there a way to configure the Time Capsule to allow a pass-thru to read the Billion web panel?

     

     

     

    No, there is not, since the Time Capsule is acting as a router.

  • Bob Timmons Level 9 Level 9 (75,470 points)
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    Dec 4, 2012 6:15 AM (in response to rustianimal)

    This does kind of seem a bit daft to me, especially when trying to debug DSL and throughput issues

     

    This is not Apple specific....it is true with any router that you might use if the DSL modem is in bridge mode.

     

    Would I be better of reconfiguring the devices so that my Airport is in Bridge Mode and the Billion is acting as a full Router device?

     

    If your requirements call for the ability to pull up the modem's configuration and data pages without making any other configuration changes, this would be your only option.


  • LaPastenague Level 7 Level 7 (32,640 points)
    Currently Being Moderated
    Dec 4, 2012 11:40 AM (in response to Bob Timmons)

    Just to add to Bob's comment.

     

    The limitation to access modems in bridge is not universal but is almost 100% the case in domestic level routers. High level routers have always had access to bridged devices. And it is possible to do it if you have access to the WAN port low level setup. You need to realise PPPoE encapsulated packets which are being used by the router to connect to the modem, do not allow normal IP packets to access the router setup pages.

     

    If a router uses a linux 3rd party firmware there are simple command lines available to add this feature.

    See the dd-wrt one for a neat explanation.

     

    http://www.dd-wrt.com/wiki/index.php/Access_To_Modem_Configuration

     

    Unfortunately with a single port modem you are stuck getting access in some alternative way. If you really want to do this.. IMHO the easiest way is to use a wireless modem. For instance in Australia you can buy a second hand Thomson TG782T modem for $20-40 on ebay.. it doesn't matter if it is locked to Telstra.. they still allow bridge mode.. setup the wireless to channel out of the way.. ie 13.. with clear name. .TG782T.. and passkey so at any time you want a local computer can just switch to it and access the router stats and even the cli.

    With a modem that has USB you can do similar thing .. the computer has to be nearby.. set up the usb driver in the computer and set a static ip in a different IP range.. you will have to mess around with this if the modem and TC are on same range.

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