[ale] RESOLVED - was Re: HELP NEEDED - Comcast cable Modem and linux-centric home network

[Pete Hardie]

Just a followup on my cable modem issues - they were solved by Comcast
putting the device into bridge mode, and I was able to plug my Linksys
router into the modem and tweaked just the address setting mode, and
it worked.

So now I just will monitor the connection, and if all goes well after
a month, I will go out and buy a plain dumb cable modem and return the
rented one.



Thanks for all the advice and suggestions, everyone!


Pete Hardie
--------
Better Living Through Bitmaps


On Fri, Jul 20, 2012 at 1:16 PM, mike at trausch.us <mike at trausch.us> wrote:
> On 07/19/2012 12:49 PM, JD wrote:
>> Forget about the SMC and only use YOUR router to manage everything.
>
> It is difficult to do, since you cannot install a firewall between the
> SMC and the IP addresses that you have allocated.  At least for two of
> the sites that I manage with Comcast's business class service, CC pushed
> out some sort of a firmware or configuration update that has forced the
> SMC device to be able to see the destination using ARP, or it will
> return ICMP errors to the senders of packets to such addresses.
>
> This didn't used to be the case; I used to have the SMC box plugged into
> a firewall system at both locations, with the rest of the network on the
> other side of the firewall.  But both networks stopped functioning when
> they pushed whatever update they pushed, and the only way I could get
> around it was to connect the things that use the static IPs directly to
> the device (or bridge them directly to the device).  This is really
> irritating, and it also prevents me from holding an IP address aside to
> assign to a dial-in (PPP) session.  Oy.
>
>         --- Mike
>
> --
> A man who reasons deliberately, manages it better after studying Logic
> than he could before, if he is sincere about it and has common sense.
>                                    --- Carveth Read, “Logic”
>
>
>
>
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