If I disable eth1 with ifdown eth1
the results of the same commands are: ---------------------------------------------- root@pc1:/# ip link show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000 link/ether 00:18:f3:91:08:9d brd ff:ff:ff:ff:ff:ff 3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 link/ether 00:18:f3:91:11:eb brd ff:ff:ff:ff:ff:ff 4: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 link/ether 00:15:af:08:f6:ea brd ff:ff:ff:ff:ff:ff ---------------------------------------------- root@pc1:/# ip addr show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000 link/ether 00:18:f3:91:08:9d brd ff:ff:ff:ff:ff:ff inet 192.168.1.2/24 brd 192.168.1.255 scope global eth0 inet6 fe80::218:f3ff:fe91:89d/64 scope link valid_lft forever preferred_lft forever 3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 link/ether 00:18:f3:91:11:eb brd ff:ff:ff:ff:ff:ff inet 192.168.1.3/24 brd 192.168.1.255 scope global eth1 4: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 link/ether 00:15:af:08:f6:ea brd ff:ff:ff:ff:ff:ff ---------------------------------------------- root@pc1:/# ip route show 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.2 default via 192.168.1.1 dev eth0 metric 100 ---------------------------------------------- root@pc1:/# ip route get 1.2.3.4 1.2.3.4 via 192.168.1.1 dev eth0 src 192.168.1.2 cache mtu 1500 advmss 1460 hoplimit 64 ---------------------------------------------- root@pc1:/# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 * 255.255.255.0 U 0 0 0 eth0 default 192.168.1.1 0.0.0.0 UG 100 0 0 eth0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/788301 Title: Networking fails with two interfaces on the same network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/788301/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs