I have a cable modem (optimum online) and a Linksys BEFSR81 router, and a
small bunch of Win XP PCs. After many months of trouble-free service,
suddenly I find that the internet is coming in at a slow dialup speed - but
only when I have the router inline. When I go direct from the cable modem
to a PC, it works fine - 600kB/sec. What's going on? I have rebooted the
cable modem and the router umpteen times to no avail. Sometimes it doesn't
work at all! When it dies altogether I go to the router's control panel and
do a DCHP release and renew, which brings it back (to dialup speed!).

Thanks in advance,
Steve

Steve wrote:
You have numerous PCs sharing the internet connection. Each PC eats
some of the total bandwidth, and if even one is using much of the more
valuable upstream (uploading via P2P) the rest of the system can become
dead in the water. This will go away when you are directly connected
for obvious reasons.

Q

No, this is not it. At the moment I have ONE PC on the router, and my speed
is 2 kB/sec, which of course is the same as a bad dialup connection, not a
cable modem speed. I am using a test download file from my cable provider
as my speed check.

My speed should be 600kB per second, not 2.


"Quaoar" <quaoar@tenthplanet.net> wrote in message
news:g_ydnfO_EdSTo5jeRVn-3w@comcast.com...

I cannot say that I understand what caused my problem, but I resolved it by
swapping out the router to a Linksys Wireless-G four-port router. It, too,
did not work at first as described below. I used the reset button (held it
in until the lights started blinking) then everything was suddenly A-OK.

If anyone can tell me what the heck happened, and why it is better now, I
would love to hear it. BTW, I can say that I am pretty sure I did not mess
with any of the settings available in the router's control panel...

"Steve" <steve@noway.nohow> wrote in message
news:xwnNe.152$r97.108@fe11.lga...

Steve wrote:
Bad router? Any time you swap the device (computer, router) connected
to the modem, it is best to reset the modem to clear its on-board MAC
address table. Most ISPs allow only one MAC address connected to the
modem and when it changes when you swap devices, that address must be
cleared to allow the new equipment.

Quaoar wrote:
Swapping out the router has nothing to do with what MAC address the ISP
sees.

--


Travis in Shoreline Washington

Swapping the router DOES matter, since every router has its own default MAC
address...
Usually (and if the license is not explicitly MAC-bound of course) resetting
the ISP's modem makes it "recognize" the new routers' MAC to re-establish
the connection.



"Travis" <Travis.ShorelineWa@somethingn.invalid> wrote in message
news:EcKNe.976$g47.557@trnddc07...
Swapping the router DOES matter, since every router has its own default MAC
address... just like every network card has its own.
Usually (and if the license is not explicitly MAC-bound of course) resetting
the ISP's modem makes it "recognize" the new routers' MAC to re-establish
the connection.
When swapping the router (for a MAC bound license) one has to modify the
routers' MAC.

My cable access requires a MAC address when registered. If the router
is not set to the same MAC address, then there is no communication
allowed except to a single website of the ISP. When the cable modem
was changed to a better one, the router's MAC address was assigned to
the account instead of a computer's specific address.

For such conditions, the MAC address should not affect the speed.

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