two interfaces one subnet
dwhite at olp.net
Mon May 11 16:31:31 CDT 2009
Chris Meidinger wrote:
> This is a pretty moronic question, but I've been searching RFC's
> on-and-off for a couple of weeks and can't find an answer. So I'm
> hoping someone here will know it offhand.
> I've been looking through RFC's trying to find a clear statement that
> having two interfaces in the same subnet does not work, but can't find
> it that statement anywhere.
> The OS in this case is Linux. I know it can be done with clever
> routing and prioritization and such, but this has to do with vanilla
> config, just setting up two interfaces in one network.
> I would be grateful for a pointer to such an RFC statement, assuming
> it exists.
If your goal is to achieve redundancy or to increase bandwidth, you can
bond the interfaces together - assuming that you have a switch / switch
stack that supports 802.3ad.
Then you could assign multiple IPs to the bonded interface without any
layer 3 messyness.
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