The MAC address that your cable company is wanting to "see" is the one
they have on record in your customer record. It would be the one they
found the very first time they initiated your setup/connection with
them. The MAC address is in the cable modem, the Motorola
Surfboard...not the Cisco gateway/router. That's a common and simple
thing for Comcast to do. (I've had no experience with Comcast, but
haven't heard very much good about them.) You should be able to switch
your Cisco every 5 minutes if you want and they shouldn't give a rip.
The need to clone a MAC is when, for example, your Motorola Surfboard
goes down and you replace it with a different unit. At that point you
can either clone the old Surfboard's MAC (and not have to get Comcast to
update their records) OR you can just contact Comcast and tell them that
they need to update their records to your new Surfboard's MAC and all
will be well.
They use the MAC address to control access to their service, like a
fingerprint. "One connection per customer controlled by one MAC address"
because MAC addresses are supposed to be 99.9999% unique.
So, I would call Comcast and tell them to get it going.
Mike Copeland
James Harvey wrote:
Hi Mike,
I checked that setting and it was already set to the "Gateway" mode, so my
problem must be elsewhere.
I also have cloned the MAC address of my laptop, but I'm not sure how that
helps?
Would using the MAC address of the router rather than my laptop be an
option?
James E Harvey
Spring Grove, PA
717-887-2565
-----Original Message-----
From: ProFox [mailto:[email protected]] On Behalf Of Mike Copeland
Sent: Tuesday, May 12, 2015 11:47 PM
To: [email protected]
Subject: Re: [NF] Linksys RVS4000 router issue with Surboard cable modem
James,
When you use the RVS4000 with a PPOE modem (DSL) then your RVS4000 can
function as a router, but with the cable modem you need to switch the
"Operation Mode" to Gateway. It's a setting on the Advanced Routing page. By
setting it to Gateway, it will enable the NAT so that more than one computer
can access the internet by designating the RVS4000's LAN address as the
computer's Gateway address.
It's a fairly common setting on the Cisco small-business class
router/gateway devices.
Mike Copeland
James Harvey wrote:
Hello,
I'm switching from Verizon DSL to Comcast cable, and am having problems.
The Linksys RVS4000 router has worked fine with eh Verizon dsl modem
for a few years.
The Motorola Surfboard cable modem I bought from Best Buy is connected
to the internet and works, but only when using a switch and then only
one computer can connect.
When I add the router into the mix it hands out an IP address, but
will not allow web pages to load.
I tried the MAC clone setting, cloning the MAC address of my laptop,
save the changes, shut everything down, restarted, but no success.
I used Comcast support and they said to do what I've already done,
cloning the MAC address of one computer while connected to the router,
but that doesn't seem to be working.
The Linksys router is a "Security Router", and I was wondering if
there is another setting to try?
TIA
James E Harvey
Spring Grove, PA
717-887-2565
[excessive quoting removed by server]
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