That makes sense. Thanks for the education. Now I know somethin new. One question though. If you have a 100mb nic and run it in full duplex mode isnt that like running at 200mb?
On Star Date Sunday 23 June 2002 04:30 pm, Todd Lyons sent this sub-space message. > Bill wrote on Sun, Jun 23, 2002 at 03:56:48PM -0700 : > > I was under the impression that running two nic's with the same ip > > addresses and differant mac addresses was a no no and would screw your > > network. > > Normally you are correct, however there are two modes that you can > utilize to gain additional functionality: > 1) bonding: where the driver takes both cards and "bonds" them > together. If you have two 100 Mbit cards, bonding yields a theoretical > 200 Mbit channel. Whether the PCI bus hardware can actually provide > that sort of throughput is an exercise for the reader (ie reading from > one or more hard drives for data and then passing it to the kernel > modules when then send it out over the two nics) > 2) bridging: If you have two seperate physical networks but have a > common netmask, you can configure a bridge such that both sides see a > common ip address and you can then control access from one side to the > other (a firewall of sorts). A common application of this is the > wireless access point. If you have a Prism chipset you can use the > HostAP software and it will do all of this for you. In the event that > you have two or more wired type nics, the kernel also directly supports > bridging. > > For an example of bridging: > ifup eth0 > ifup eth1 > brctl addbr br0 > brctl addif br0 eth0 > brctl addif br0 eth1 > ifconfig br0 192.168.188.1 > > Now anybody connected to either nic will access the machine as > 192.168.188.1. > > Blue skies... Todd
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