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Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
10.141.148.253  0.0.0.0         255.255.255.255 UH    0      0        0 eth0
14.1.0.0        10.141.148.253  255.255.255.0   UG    0      0        0 eth0
10.141.16.0     0.0.0.0         255.255.252.0   U     0      0        0 eth0
169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth0
0.0.0.0         10.141.16.1     0.0.0.0         UG    0      0        0 eth0

I'm trying to ping the machine 14.1.0.0. but it is not giving any response. but from other machine it is giving response whose routing table is

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
14.1.0.0        10.141.148.253  255.255.255.0   UG    0      0        0 eth0
10.141.148.0    0.0.0.0         255.255.252.0   U     0      0        0 eth0
169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0
0.0.0.0         10.141.148.1    0.0.0.0         UG    0      0        0 eth0

why there is now response in first case how i resolve this?

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closed as not a real question by EEAA, Ladadadada, rnxrx, Ward, Michael Hampton Sep 2 '12 at 23:58

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

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2 Answers

14.1.0.0 with the subnetmask 255.255.255.0 is no valid host address! It is the address of the subnet. Try using another IP for your host (like 14.1.0.1)

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14.1.0.0/24 (/24 -> netmask = 255.255.255.0) is a "Network ID". it is a reserved address, and cannot be used for hosts. Valid addresses go from 14.1.0.1-14.1.0.254 (.255 is reserved as a broadcast address).

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