Инет подключен но не работает!

Посмотрите пожалуста на вывод команд:
linux:/home/nik # route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
195.68.216.18 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
192.168.51.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 195.68.216.18 0.0.0.0 UG 0 0 0 ppp0
linux:/home/nik # ifconfig
eth0 Link encap:Ethernet HWaddr 00:4F:4E:60:DC:8A
inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::24f:4eff:fe60:dc8a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3028 errors:0 dropped:0 overruns:0 frame:0
TX packets:3223 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1792955 (1.7 Mb) TX bytes:362997 (354.4 Kb)
Interrupt:11 Base address:0x4f00

eth1 Link encap:Ethernet HWaddr 00:4F:4E:60:E4:A0
inet addr:192.168.51.203 Bcast:192.168.51.255 Mask:255.255.255.0
inet6 addr: fe80::24f:4eff:fe60:e4a0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5133 errors:0 dropped:0 overruns:0 frame:0
TX packets:571 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:324007 (316.4 Kb) TX bytes:44741 (43.6 Kb)
Interrupt:11 Base address:0x6e00

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:496 errors:0 dropped:0 overruns:0 frame:0
TX packets:496 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:33765 (32.9 Kb) TX bytes:33765 (32.9 Kb)

ppp0 Link encap:Point-to-Point Protocol
inet addr:195.68.217.9 P-t-P:195.68.216.18 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:3 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:42 (42.0 b) TX bytes:63 (63.0 b)

Подключение к интернет через eth1 192.168.51.203