How to deal with the route in Linux

Now I input the next command

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127.0.0.0 * 255.0.0.0 U 0 0 0 lo# ifconfig eth0 192.168.2.12

Heth0:PHY 100BaseT

eth0:PHY Full Duplex# route -n

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

192.168.2.0 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[/b]

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i add the route

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# route add default gw 192.168.2.1# route -n

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

192.168.2.0 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

0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 eth0[/b]

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when i input the ping

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# ping 192.168.2.102

PING 192.168.2.102 (192.168.2.102): 56 data bytes

--- 192.168.2.102 ping statistics ---

3 packets transmitted, 0 packets received, 100% packet loss# ping 192.168.2.1

PING 192.168.2.1 (192.168.2.1): 56 data bytes

84 bytes from 192.168.2.1: icmp_seq=0 ttl=128 time=10.0 ms

84 bytes from 192.168.2.1: icmp_seq=1 ttl=128 time=0.0 ms

84 bytes from 192.168.2.1: icmp_seq=2 ttl=128 time=0.0 ms

--- 192.168.2.1 ping statistics ---

3 packets transmitted, 3 packets received, 0% packet loss

round-trip min/avg/max = 0.0/3.3/10.0 ms# [/b]

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in my computer

I input the ipconfig

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Ethernet adapter &#26412;&#22320;&#36830;&#25509;:

Connection-specific DNS Suffix . : private

IP Address. . . . . . . . . . . . : 192.168.2.102

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . : 192.168.2.1[/b]

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so I ping the board

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C:\Documents and Settings\alexliu>ping 192.168.2.12

Pinging 192.168.2.12 with 32 bytes of data:

Reply from 192.168.2.12: bytes=32 time=1ms TTL=64

Reply from 192.168.2.12: bytes=32 time<1ms TTL=64

Reply from 192.168.2.12: bytes=32 time<1ms TTL=64

Reply from 192.168.2.12: bytes=32 time<1ms TTL=64

Ping statistics for 192.168.2.12:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 1ms, Average = 0ms[/b]

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it very strange . I don&#39;t know how to deal with the problem . pls help me !

thanks !!!