Michael Yuan wrote:
> Hi guys,
>
> I just got my roadrunner running at my new apartment. I am a little
> curious how it works -- I just plug in the modem and connect to my NIC and
> restart the network, then everything works. Don't they have account and
> login system to monitor my use? How do they associate the dynamic IP to my
> account?
They trace it on where your unique cable line goes into their system. the
Authorization was required because (Guessing here) the older modems lacked a
certain bit of technology to accomplish this. I have the second generation
modem myself (toshiba, not the big blue motorola) and it doesn't require the
Auth program. DHCP is the new choice of authentication. They own the network,
why does one have to Authenticate when they also are the sole suppliers of the
modems and the cable hookup. (Can't have the service without both) The
Monitoring they do is now all on their side with more intelligent equipment.
All of this is the difference between the first commercial generation of the
cable networks v. the current second generation. (all theory that seems to fit
the evidence)
>
>
> Actually, most RR FAQs I read mentioned the rrlogin package. But I do not
> seem to need it. Do I miss something here?
Nope, they have to cater to the entire network, instead of replacing all
the modems, the new modems are new and the web documenters probably have other
things to do. Web pages are usually the last thing changed in my experience
with big companies (less liability if the new system is abandon due to
failure, you can go back to the old system and the old customers don't even
have a clue that something has happened.)
>
>
> Also, I would like to IP MASQ at my local network. I heard that it is
> better to have two NIC on the firewall computer. Is it true? Can't I just
> do IP aliasing?
>
In my experience, you will need the firewall box with two NIC. you will be
better able to easily maintain the firewall that you NEED. the two NIC
arrangement also acts to physically separate the networks so that you have very
little chance of giving away your setup to the cable company. Technically,
running the IPMASQ is stealing the cost of the additional computers added to
the network. ( or has TimeWarner dropped the $15 per additional IP address?)
you will need to have your hub on the internal network (NIC NOT ATTACHED TO THE
CABLE MODEM) the NIC to the modem should be DHCP and the other should have a
reserved IP address (can't remember the RFC#) 192.168.x.x, etc. What this
does is keep the cable modem from sensing the MAC address of all your ethernet
cards and grabbing IPs for them. See DHCP...
Good luck and RTFM before you do anything..
Laters,
Hampton
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