Restarting an Ethernet modem (ADSL) with software
William Case
billlinux at rogers.com
Thu Apr 12 19:33:46 UTC 2007
Hi Hugh;
On Thu, 2007-04-12 at 14:07 -0400, D. Hugh Redelmeier wrote:
> | From: William Case <billlinux at rogers.com>
[snip]
> Rogers.com isn't ADSL, it is cable TV broadband (DOCSIS).
>
Thanks, never got it straight in my mind what to call it until now.
> I ask because this sounds like you have a solution in mind for some
> problem and I suspect that there might be a better solution.
>
> William: I have found that my Rogers cable modems have been quite
> reliable (Lancity then SB5100). Certainly more reliable than the rest
> of their network. When I call Rogers with a trouble report, they
> often ask me to power cycle the modem but it has almost never makes a
> difference.
>
I have the Motorola SB5100 too. About every three weeks my Internet
service goes down. I have gotten so I just power cycle and it works
again. Last time I called Rogers they said that they had checked me
remotely and that I was using a router therefore they couldn't help. On
an earlier call I mentioned I was on Linux and they said they
couldn't/wouldn't help. They have talked to me (never actually
suggested anything that helped) when I have had WindowsXP booted at the
time of the call.
No I don't have an idea for a solution, but I had hoped someone had a
suggestion on how I might try to power cycle from my computer rather
than running (or walking) down to the basement all the time.
[snip]
>
>
> More detailed discussion of the division of labour in home network
> components:
>
> Each of DOCSIS and ADSL require their own modems to convert the
> signal coming into your house into ethernet.
>
> With Rogers version of DOCSIS, the modem presents a regular TCP/IP
> ethernet access to the internet to the in-house network. With one
> globally-routable IPv4 address. (I have heard that they will let you
> have more IP addresses for a fee.)
[snip]
> For most people, a broadband router is useful as an intermediary
> between their modem and their modem (ADSL or DOCSIS).
>
> - broadband routers usually know how to do PPPoE
>
> - the typical router is an inexpensive turnkey box. It should require
> little maintenance and "just work". Unaffected by computer upgades.
>
> - it allows multiple computers to connect to your LAN by using NAT
> (NAPT really). Most have built-in switches allowing 4 computers
> to be directly connected (more with external switches).
>
> - it protects your LAN with a simple firewall (mostly: because of
> NAPT, by default (i.e. without port forwarding) all communication
> with the internet has to be initiated from the LAN side)
>
> - many broadband routers include an 802.11g wireless access point
>
> - most service providers will support broadband routers more willingly
> than Linux (most of their MS Windows customers use them too).
>
> A broadband router isn't needed if you only have one computer and you
> trust its firewall. A broadband router isn't sufficient if you have
> gateway policies that it cannot implement.
>
I have three computers; mine and two users with rogers.com sub-accounts
under my main account using the router to connect through one Motorola
modem.
By the way, this is a lot of good stuff to know that you have provided.
Thanks.
--
Regards Bill
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