~ # ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.0/24 scope global eth0
valid_lft forever preferred_lft forever
inet6 fec0::5054:ff:fe12:3456/64 scope site dynamic flags 100
valid_lft 86397sec preferred_lft 14397sec
inet6 fe80::5054:ff:fe12:3456/64 scope link
valid_lft forever preferred_lft forever
3: sit0@NONE: <NOARP> mtu 1480 qdisc noop qlen 1000
link/sit 0.0.0.0 brd 0.0.0.0
~ # ip route
default via 192.168.0.1 dev eth0
192.168.0.0/24 dev eth0 scope link src 192.168.0.0
ip route add default via 192.168.0.1
возникает ошибка ip: RTNETLINK answers: Network is unreachable
. Когда выполняю ip route add default via 192.168.1.1
ошибок нет.ping 192.168.1.1
выдает:~ # ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1): 56 data bytes
--- 192.168.1.1 ping statistics ---
4 packets transmitted, 0 packets received, 100% packet loss
ping google.com
возвращаетping: bad address 'google.com'