2010/9/4 Rodolfo Medina <rodolfo.med...@gmail.com>
> > Today, strangely, on the laptop, instead of > > # ifconfig > eth1 Link encap:Ethernet HWaddr 00:03:0D:33:02:17 > inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0 > inet6 addr: fe80::203:dff:fe33:217/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:6 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:0 (0.0 b) TX bytes:468 (468.0 b) > Interrupt:201 Base address:0xd800 > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > inet6 addr: ::1/128 Scope:Host > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:86 errors:0 dropped:0 overruns:0 frame:0 > TX packets:86 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:9358 (9.1 KiB) TX bytes:9358 (9.1 KiB) > > I got: > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > inet6 addr: ::1/128 Scope:Host > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) > > , and any connection with the cross cable was impossible. Also, the > command > `ifconfig eth1 192.168.0.1 netmask 255.255.255.0 up' gave: > > # ifconfig eth1 192.168.0.1 netmask 255.255.255.0 up > SIOCSIFADDR: No such device > eth1: ERROR while getting interface flags: No such device > SIOCSIFNETMASK: No such device > eth1: ERROR while getting interface flags: No such device > > > Then I did: > > # ifconfig eth0 192.168.0.1 netmask 255.255.255.0 up > > , and then `ifconfig' gives: > > # ifconfig > eth0 Link encap:UNSPEC HWaddr > 00-03-0D-53-25-5C-86-16-00-00-00-00-00-00-00-00 > > Strange MAC address, and device name is changed to be eth0. Have you upgraded your system or NIC driver or something else? May "/etc/udev/rules.d/70-persistent-net.rules" have some info.
