Sorry for this mail , but I think you could not see what I intend to descipt as the previous mail . Please give me some help
I have 2 PC : A and B , The A has 2 ethernet card call eth0 ( IP 10.0.0.4/24 ) and eth1 ( 192.168.60.2/24 ) . I have enable fowarding between those 2 ethernet : cvkhanh:/etc/network# cat options ip_forward=yes The B has one ethernet card eth0 ( 192.168.60.4/24 ) and the default gateway is 192.168.60.2 ( the eth1 of A ) . In A I set route table as : cvkhanh:~# route -n Kernel IP routing table Destination-------Gateway-------Genmask----------Flags--Metric---Ref----Use--Iface 10.0.0.0-----------0.0.0.0------------255.255.255.0-----U--------0---------0-------0-----eth0 192.168.60.0-----192.168.60.2--255.255.255.0---UG------0---------0-------0-----eth1 192.168.60.0-----0.0.0.0-----------255.255.255.0-----U-------0---------0-------0-----eth1 default-------------10.0.0.2-----------0.0.0.0--------------UG-------0---------0-------0-----eth0 But when I tried with A : ping -I eth0 192.168.60.4 , B not answer . Tried with B : ping 10.0.0.4 , it reply immediatly . I could not find out why ping -I eth0 192.168.60.4 , B not reply , please , help me