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hi there,
i have a question.
there is a staff here who's laptop has 2 ip addresses.
no one can ping to that laptop.
but the laptop can ping to other PCs/laptops and online.
can receive email and surf internet etc.

at first the ipconfig details are as below:

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix :
Ip address : 10.65.26.231
subnet mask: 255.255.255.0
default gateway : 10.65.24.1

Ethernet adapter {711106B9-47B6-8F73-894F2230EE20}:

Connection-specific DNS Suffix:
Autoconfiguration IP address : 169.254.241.150
subnet mask : 255.255.0.0
default gateway: (none)

after disable and enable the network adapter a few times,
the configuration changed. no more autoconfigured ip:
the ethernet adapter went like this:

Ethernet adapter {BA8f2375-9e-4bee-85ec-3fe9563bb88}
ip address: 0.0.0.0
subnet mask:0.0.0.0

still we cannot ping to this laptop.

last time the LED would blink whenever the laptop is on wireless.
now no more light.

is this because of faulty hardware somewhere inside?

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Last Post by Bench
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What's the configuration of the machine you are trying to ping from?

One problem which jumps out immediately is that the default gateway of your wireless interface is on a different subnetwork to the IP address of the machine.

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix :
Ip address : 10.65.26.231
subnet mask: 255.255.255.0
default gateway : 10.65.24.1

Either change the IP address to one which is on the 10.65.24.0 subnetwork, or, use a gateway which is attached to the 10.65.26.0 subnetwork.

This should only affect ping attempts which go to addresses outside the 10.65.24.0 subnetwork - Have you tried sending a ping from a host within the 10.65.24.0 subnet?

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