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Re: interfacing with modem through ATA

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On 1/4/14, 1:44 PM, Geoffrey S. Mendelson wrote:
> J Burns wrote:
>> An ethernet cable connects my modem to my analog telephone adaptor.
>>   From there, an ethernet cable goes to my computer.
>>
>> Before I had an ATA, I could bring up a modem interface by typing its IP
>> into a browser.  Now I can't do it unless I connect the modem directly
>> to the computer.
>>
>> If I can talk to remote IPs with the ATA in the line, why can't I talk
>> to my modem?  Is there a way to make it possible?
>
> Because your ATA and modem are also routers. For some reason the ATA
> no longer routes packets out to the modem.
>
> Most likely case is that they overlap IP address ranges, i.e.
> the modem uses 192.168.1.xxx as it's LAN side IP range, and
> the ATA also uses it.
>
> The best way to fix it IMHO is to plug both the ATA and your computer into
> separate ethernet ports on the modem. If it only has one port, you MAY
> be able to add a small hub to provide extra ports, but first make sure
> the modem will support multiple clients.
>
> The second best way would be to move the ATA's LAN side IP address to
> another network. This would also require changing the DHCP server's address
> in the ATA to match.
>
> The ATA has QOS routing in it to make sure your internet usage does not
> affect phone calls. If you are a heavy phone user, it is worth having.
>
> A friend of mine found that going through his ATA cut his download
> speed to half of what it was without it. He only used his phone for
> faxes and a few calls a month, so he got rid of it and put in a landline.
>
> YMMV.
>
> Geoff.
>
>
Wow!  Thanks for explaining.

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Thread

interfacing with modem through ATA J Burns <burns4@nowhere.com> - 2014-01-04 13:21 -0500
  Re: interfacing with modem through ATA "Geoffrey S. Mendelson" <gsm@mendelson.com> - 2014-01-04 18:44 +0000
    Re: interfacing with modem through ATA J Burns <burns4@nowhere.com> - 2014-01-04 14:31 -0500
      Re: interfacing with modem through ATA "Geoffrey S. Mendelson" <gsm@mendelson.com> - 2014-01-05 00:39 +0000
        Re: interfacing with modem through ATA J Burns <burns4@nowhere.com> - 2014-01-04 22:20 -0500
          Re: interfacing with modem through ATA "Geoffrey S. Mendelson" <gsm@mendelson.com> - 2014-01-05 04:49 +0000
            Re: interfacing with modem through ATA J Burns <burns4@nowhere.com> - 2014-01-05 01:29 -0500

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