cisco-nsp-bounces at puck.nether.net <> wrote on : > > is it possible to have the same IP on two interfaces ? no, not if both are up. You can if you use backup interface.. interface Ethernet0 ip address 172.16.0.1 255.255.255.0 ! interface Ethernet1 backup interface Ethernet0 ip address 172.16.0.1 255.255.255.0 maybe it helps.. oli