or just go on freshmeat and search for "traffic shaping" -----Original Message----- From: redhat-list-bounces@xxxxxxxxxx on behalf of Rodolfo J. Paiz Sent: Tue 5/4/2004 7:36 PM To: fedora-list@xxxxxxxxxx; redhat-list@xxxxxxxxxx Cc: 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 -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
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