Hi, Two IP addresses within the same subnet is generally something that should be avoided if at all possible. See http://serverfault.com/questions/336021/two-network-interfaces-and-two-ip-addresses-on-the-same-subnet-in-linuxfor some information that may help. On Tue, Aug 20, 2013 at 3:41 PM, Jobst Schmalenbach <jobst@xxxxxxxxxxxxxx>wrote: > > Hi > > I have two different IP addresses (in a block of /29), one is on port 0 > and the other is on port 2 of a Ciso 888. > I am doing this so I can have two different certs with two different ip > addresses. > > I have tried: > > 1) one machine, two real interfaces, two cables (eth0 and eth2) > 2) one machine, one real interface eth0 and one virtual interface eth0:1, > one network cable > > > Using number 2) > I can ping the two different ip addresses, no problem. The only problem > here is that iptables does not work (I cannot create rules for eth0:1 - and > yes I know about the security implications). > > > I have a problem with number number 1) > > I can ping the first ip address and I get a return, but I cannot get a > return when I ping the second ip address. > I can see traffic coming into the second interface but it does not return. > Now one of the interfaces needs the "default" route applied (is this > correct??), which is eth0. > > I assume this is a routing problem? > What do I need to do to get this to work? > > > > Jobst > > > > > > > > -- > Student to Teacher: Sir, what's an oxymoron? .... Teacher to Student: > "Microsoft Works". > > | |0| | Jobst Schmalenbach, jobst@xxxxxxxxxxxxxx, General Manager > | | |0| Barrett Consulting Group P/L & The Meditation Room P/L > |0|0|0| +61 3 9532 7677, POBox 277, Caulfield South, 3162, Australia > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos