Date: Thu, 23 Jun 2005 21:51:16 -0500 From: Martin McCormick <martin@dc.cis.okstate.edu> To: freebsd-questions@freebsd.org Subject: Virtual Interfaces and Subnet Masks Message-ID: <200506240251.j5O2pGT3047748@dc.cis.okstate.edu>
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We needed to bring up a second interface on a FreeBSD system in order to cause it to substitute for another FreeBSD box that bravely stayed up for 471 days and then appears to have had a hardware failure of some kind. The substitute system already had fxp0 on the network in question and when I brought up fxp1 on that same network, the nightmare started. You can't seem to have two interfaces with the same subnet mask on the same VLAN. After much frustration, I simply changed the primary interface to be that of the dead host and we are doing without the original address for now. The network mask is 255.255.252.0. Is there any way to have more than one interface on the same subnet with that same subnet mask? Thank you. Martin McCormick WB5AGZ Stillwater, OK OSU Information Technology Division Network Operations Group
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