Re: Routing and bandwidth problem

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From: "Crucificator" <crucificator@xxxxxxx>
> why not use virtual adapters with ip's from different networks and use
only
> one card?

Because then you'd be sharing 100Mb between the four networks.  Rodolfo said
he wanted to give each client 100Mb connection to the router/server.  Still,
it's not a *bad* idea, perhaps using two dual-ip cards...

Ben

> ----- Original Message -----
> From: "Rodolfo J. Paiz" <rpaiz@xxxxxxxxxxxxxx>
> To: <fedora-list@xxxxxxxxxx>; <redhat-list@xxxxxxxxxx>
> Sent: Wednesday, May 05, 2004 5:36 AM
> Subject: Routing and bandwidth problem
>
>
> > Hey...
> >
> > I have no idea of which FM to R here, so I will happily accept pointers
to
> > good documentation and HOWTO documents. Any other help is also welcome,
as
> > I will need to solve this problem very soon. The problem is this:
> >
> > My small business is one of four tenants in a small building. The other
> > three have agreed to allow me to buy one big connection and then resell
> > service to them, such that they get a better price and I get to
subsidize
> > my own Internet service. However, while I *could* set this up quickly
> > without any controls, they each want different service levels and
amounts
> > of bandwidth and will be paying different prices, so I want to do this
> > properly.
> >
> > The firewall/gateway will run Fedora Core 1. I think I need *five*
> Ethernet
> > adapters in the server (eth0 to the ISP, and eth1-eth4 to the four
> tenants)
> > so that each client is properly isolated into their own network and
cannot
> > access the other clients' computers. If there is a way to do this
securely
> > and safely without a gaggle of Ethernet cards, please do tell! I can
think
> > of doing this with 801.2q VLAN tagging, but that requires a managed
switch
> > which is far more expensive. It seems to me that multiple Ethernet cards
> > are the simplest *and* cheapest way to do it.
> >
> > I know how to provide masquerading, firewall, gateway, DNS, DHCP, NTP,
and
> > other services. What I don't know how to do is the following:
> >
> >          1. Required: Limit the total bandwidth a client can use to
either
> > 128 Kbps or 256 Kbps.
> >
> >          2. Optional: Allow each client to exceed their limit if no one
> > else is using the space. That is, a customer who stays late when all
other
> > offices are gone for the night, or someone who gets lucky that no one
else
> > is using the Net at that particular moment, could get access to the
entire
> > Internet connection (say, 512 Kbps). But if everyone is using the
> bandwidth
> > simultaneously, then each would get their fair share (what they paid for
> > and I provide, proportionately).
> >
> >          3. Optional: Even though traffic *through* the server (client
> > connecting to Internet) should be throttled and limited, it would be
ideal
> > for traffic *to* the server (client connecting to the firewall) to have
> > full 100 Mbps link speed. This would allow me to download the FC2 ISO
> > images to the server at night, for example, and then let clients grab
them
> > at 100 Mbps over the internal network instead of having that internal
> > download also throttled to 256 Kbps.
> >
> >          4. Optional: Provide each tenant with an FTP-served directory
on
> > the server which can *only* be accessed from their network. So if they
> pull
> > down the confidential something or their wife's nude pictures, other
> > tenants cannot get at that information.
> >
> > Can someone offer some hints, pointers, suggestions, or magic beans?
> >
> > Thanks in advance!
> >
> >
> > --
> > Rodolfo J. Paiz
> > rpaiz@xxxxxxxxxxxxxx
> > http://www.simpaticus.com
> >
> >
> > --
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> > https://www.redhat.com/mailman/listinfo/redhat-list
> >
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