>Why don't you just get a Fast Ethernet card for $40 and save yourself
>the waste of a port on your switch?
This is a campus connection.. They only have 10BT for the dorms (2 ports
for a 2 person room), and it's actually going to a fiber ring around
campus..
>If the switch doesn't have multiple 100Mb/s ports, why don't you
>enable Full Duplex on both the switch port and the upstream NIC card
>(if its not an option, replace the NIC with one that does
>support Full Duplex).
That's a spiffy idea, but we don't have access on the switch to manage it,
and the network boys are a little stuffy.
>Sure.. put different IP addresses on each NIC and change DNS to
>let WWW traffic to goto one NIC and sendmail to the other.
I don't quite understand.. I get the part about each NIC having it's own
address, but how exactly do you route certain services over certain
interfaces?
>This has nothing to do with IPFWADM. Its just routing basics.
I'm surprised there isn't a neat little package for this sort of thing. It
seems relatively simple in concept, as long as you don't care what IP
address everything is coming from.. You just flip-flop between NICs as
connections go out, and *bamf*, you have load balancing. Throw in a neet
little algorithm based on average traffic generated to make it a little
more even (say, one quake connection is worth 2 ftp connections, so if one
interface has a quake session going, the machine would throw 2 ftp
connections over the other interface before going back to the first) It
seems you shouldn't care for most things.. http, ftp, telnet, pop, etc.. I
mean, ipfwadm already does the address translation (wrong term?) for these
types of things.
It wouldn't even have to be limited to ethernet, in the same way as
dual-ppp connections are limited. Any interface that can be masqued over
should be able to balance over. You could even get crazy with say, a 100BT
connection, a 10BT connection, and a dialup. You weight each interface
according to it's speed, and throw that into the algoritm.
I would be happy try to make it happen, but coding isn't exactly my
specialty. Maybe for a class project..
--Doug Clements
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