(no subject)

hi all,

     I have a problem in using my 3com509b netcard in my redhat 7.2.
the configure is like the following:

     The problem is I can ping  my ip correctly, but I can not ping=20
anyother machine in my net work.the message is "Destination Host=20
Unreachable"

     can you give me some advice?




////////////////////////////////////////////////////////
eth0      Link encap:Ethernet  HWaddr 00:60:97:6D:C9:7F =20
          inet addr:202.116.5.4  Bcast:202.116.5.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:34 errors:0 dropped:0 overruns:0 carrier:33
          collisions:0 txqueuelen:100=20
          RX bytes:0 (0.0 b)  TX bytes:1428 (1.3 Kb)
          Interrupt:5 Base address:0x220=20




////////////////////////////////////////////////////////////

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use=20
Iface
202.116.5.0     *               255.255.255.0   U     0      0        0=20
eth0
127.0.0.0       *               255.0.0.0       U     0      0        0 l=
o
default         202.116.5.1     0.0.0.0         UG    0      0        0=20
eth0



////////////////////////////////////////////////////////////
PING 202.116.5.4 (202.116.5.4) from 202.116.5.4 : 56(84) bytes of data.
64 bytes from 202.116.5.4: icmp_seq=3D0 ttl=3D255 time=3D343 usec
64 bytes from 202.116.5.4: icmp_seq=3D1 ttl=3D255 time=3D112 usec
64 bytes from 202.116.5.4: icmp_seq=3D2 ttl=3D255 time=3D96 usec
64 bytes from 202.116.5.4: icmp_seq=3D3 ttl=3D255 time=3D120 usec

--- 202.116.5.4 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/mdev =3D 0.096/0.167/0.343/0.102 ms


///////////////////////////////////////////////
PING 202.116.5.1 (202.116.5.1) from 202.116.5.4 : 56(84) bytes of data.
From 202.116.5.4: Destination Host Unreachable
From 202.116.5.4: Destination Host Unreachable
From 202.116.5.4: Destination Host Unreachable
From 202.116.5.4: Destination Host Unreachable

--- 202.116.5.1 ping statistics ---
4 packets transmitted, 0 packets received, +4 errors, 100% packet loss=20


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