Subject: RE: Average Cable Modem Usage ?
From: Christopher Erickson (cerickson@gci.net)
Date: Sun Jan 20 2002 - 05:50:57 AKST
GCI COM21 cable modems have an internal MAC table that is limited to 8 entries.
They are a Layer-2 device and communicate via MAC addresses, not IP addresses.
Using a small router/firewall and doing NAT/PAT will overcome the 8 MAC
limitation.
If you directly connect more than 8 MAC-addressable devices to a GCI COM21 cable
modem, it's MAC table will start thrashing/flushing and the result will be a
loss of performance through that cable modem.
-Chris
-----Original Message-----
From: aklug-bounce@aklug.org [mailto:aklug-bounce@aklug.org]On Behalf Of
Scott Johnson
Sent: Sunday, January 20, 2002 12:59 AM
To: Justin Dieters
Cc: aklug@aklug.org
Subject: Re: Average Cable Modem Usage ?
I don't belive it's that GCI only "allows" 8 computers at a time, it's
because the cable modem's internal address table only holds 8 entries at a
time.
Scott
----- Original Message -----
From: "Justin Dieters" <enderak@yahoo.com>
To: "Scott Johnson" <sjohnson@gci.net>; <aklug@aklug.org>
Sent: 20 January, 2002 00:33
Subject: Re: Average Cable Modem Usage ?
> Yeah, but this works with no problems so far, so why fix what ain't
> broke? :) We're going to be moving into a new building soon though, and
> probably switching to GCI Cable, so I'll probably have to look into
> something then, because I think GCI only allows 4 or 8 computers at a
> time on a cable modem..? Not quite sure what the deal is there - I
> haven't looked into it too much.
>
> Justin
> www.enderakonline.com
>
>
>
> Scott Johnson wrote:
>
> > You know you can get a Linksys router that can auto-login with the PPPoE
> > info and also stay connected???
> >
> > Just wondering.
> >
> > Scott
> > ----- Original Message -----
> > From: "Justin Dieters" <enderak@yahoo.com>
> > To: <aklug@aklug.org>
> > Sent: 20 January, 2002 00:21
> > Subject: Re: Average Cable Modem Usage ?
> >
> >
> >
> >>We have ACS DSL at the office that I work at (we would have cable, but
> >>there are no cable lines on our side of the street) To connect, we just
> >>have a switch for our regular office network, and each computer "dials"
> >>using the PPPoE seperately using the same login and password.
> >>
> >>Typically, we have 8-10 computers connected at one time. The DSL Modem
> >>is just attached to one of the regular switch ports. So yes, they
> >>require PPPoE (which sucks) but they do not require a special router or
> >>anything for multi-PC access.
> >>
> >>Although we are paying almost twice as much for half the speed of cable,
> >>but our only cost-effective alternative would be 56K, which ain't
> >>happening when you need to share with 10 people.. :)
> >>
> >>Justin
> >>enderak@yahoo.com
> >>
> >>
> >>
> >>Christopher Erickson wrote:
> >>
> >>
> >>>ACS requires PPPoE and a router for multi-PC access.
> >>>
> >>>GCI does not.
> >>>
> >>>However, smart people use some kind of hardware Firewall between their
> >>>
> > network
> >
> >>>and their ISP.
> >>>
> >>>Further, GCI doesn't care if you have 1 PC, 32 PC's or 500 PC's on your
> >>>
> > modem.
> >
> >>>-Christopher Erickson
> >>>Network Design Engineer II
> >>>GCI Internet
> >>>2550 Denali St., Suite 1000
> >>>Anchorage, AK 99503
> >>>907-777-6725
> >>>www.gci.com
> >>>
> >>>
> >>>
> >>>-----Original Message-----
> >>>From: aklug-bounce@aklug.org [mailto:aklug-bounce@aklug.org]On Behalf
Of
> >>>FeLoNiouS_MoNK
> >>>Sent: Saturday, January 19, 2002 8:05 PM
> >>>To: 'aklug@aklug.org'
> >>>Subject: Re: Average Cable Modem Usage ?
> >>>
> >>>
> >>>na na..... my modems bigger than your modem .. lol... im not tryin to
> >>>put local cable against dsl here.. but since someone brought this up..
> >>> if i went over to dsl ... would i have to rent a router from acs or
> >>>could i use my existing router.. just a question i had for a while.. i
> >>>know in some places they make you pay extra if you want to use a
> >>>router.. well anywayz.. bacc to linux..
> >>>
> >>>--------My oTHeR CoMPuTeR iS YouR WiN-BoX!--------
> >>> FeLoNiouS_MoNK aka CoDeRED!
> >>>
> >>>Christopher Erickson wrote:
> >>>
> >>>
> >>>
> >>>>Our Livewire DSL service does not have any usage quotas, supports up
to
> >>>>
> > 32 IP's
> >
> >>>>and doesn't require PPPoE either.
> >>>>
> >>>>Assuming you are in an area where we can get to you with our DSL
> >>>>
> > service.
> >
> >>>>-Christopher Erickson
> >>>>Network Design Engineer II
> >>>>GCI Internet
> >>>>2550 Denali St., Suite 1000
> >>>>Anchorage, AK 99503
> >>>>907-777-6725
> >>>>www.gci.com
> >>>>
> >>>>
> >>>>
> >>>>-----Original Message-----
> >>>>From: aklug-bounce@aklug.org [mailto:aklug-bounce@aklug.org]On Behalf
Of
> >>>>The Alaskan Bear
> >>>>Sent: Saturday, January 19, 2002 5:21 PM
> >>>>To: W.D.McKinney
> >>>>Cc: aklug@aklug.org
> >>>>Subject: Re: Average Cable Modem Usage ?
> >>>>
> >>>>
> >>>>
> >>>>Well, as I work for GCI :} I can tell you that no matter which cable
> >>>>
> > modem
> >
> >>>>package
> >>>>you get, the most bandwidth you can get is 20gigs/month. The problem
> >>>>
> > runs into
> >
> >>>>this
> >>>>if you d/l 21gigs or higher, it will cost you an extra $20/gig. I
also
> >>>>
> > know
> >
> >>>>that I am
> >>>>about to run into this problem myself as it's only the 19th, and I am
up
> >>>>
> > to
> >
> >>>19.7
> >>>
> >>>
> >>>>gigs :}
> >>>>But a cable modem is a good thing if you are looking for a static ip
as
> >>>>
> > you can
> >
> >>>>have at
> >>>>least up to 8 static ips for the modem. I know for a fact that it
will
> >>>>
> > support
> >
> >>>>up to
> >>>>8 dynamic ips per modem. I hope that this will help you out some,
> >>>>
> > considering
> >
> >>>I
> >>>
> >>>
> >>>>don't
> >>>>know how much per month you d/l. I do kinda wish that I had ACS's dsl
> >>>>
> > service
> >
> >>>>for my
> >>>>d/ling, and the cable modem for my server, but I don't have that much
> >>>>
> > money :}
> >
> >>>>--
> >>>>Ted Montgomery
> >>>>The Alaskan Bear's Den
> >>>>akbear@akbearsden.com
> >>>>Registered Linux User: #253251
> >>>>907-242-9824
> >>>>
> >>>>-- There are some things lots of money can buy ... --
> >>>>
> >>>>-- For everything else, there is LINUX ... --
> >>>>
> >>>>
> >>>>On Sat, Jan 19, 2002 at 05:18:11PM -0900, W.D.McKinney wrote:
> >>>>
> >>>>
> >>>>
> >>>>>I know many of you are on a cable modem, so I'm wondering what it
would
> >>>>>
> > cost
> >
> >>>>>me to change to cable and not get stuck with $$$ bills due to all the
> >>>>>downloads I do ?
> >>>>>What's the average monthly charge anyway ?
> >>>>>
> >>>>>Thanks
> >>>>>/Dee
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >>_________________________________________________________
> >>Do You Yahoo!?
> >>Get your free @yahoo.com address at http://mail.yahoo.com
> >>
> >>
> >>
> >
> >
> >
>
>
>
>
> _________________________________________________________
>
> Do You Yahoo!?
>
> Get your free @yahoo.com address at http://mail.yahoo.com
>
>
>
This archive was generated by hypermail 2a23 : Sun Jan 20 2002 - 05:51:30 AKST