Gopish,
On the host machine that runs the emulator, open a terminal window and
telnet to the emulator instance:

telnet localhost 5554

This will take you into the ADB emulator console. Then setup packet
forwarding on the port you are sending udp packets to:

redir add udp:<host machine port>:<emulator listen port>

example:

redir add udp:4444:4444

This will then have the emulator "listen" on your local machine's port
4444 for UDP packets, and forward those to the emulator's ETH adapter
on port 4444 (which can be changed to whatever you need).

I havent tried this with other external machines, but I struggled
getting this to work for a while. Also, any "servers" listening for
packets inside android (2.0) should be listening on IP 10.0.2.15
(android emulator's own Eth adapter), and in this case on port 4444.

In the case where you want to broadcast UDP packets out of the android
emulator to the local machine, you wont need to setup a port redir,
but you will want to send them out to IP address 10.0.2.2 as this is
the "loopback" address on the host computer, and you can send them
directly to the port it is listening on.

It takes some getting used to and isnt terribly straightforward, but I
eventually got it working. Hopefully this helps.

Josh Patterson
http://jpatterson.floe.tv


On Nov 17, 9:07 am, "Gopi$h" <[email protected]> wrote:
> From a remote machine we are sending some UDP packets to our Android
> emulator. We are able to see the UDP packets reaching the host
> machine, but not able to reach the emulator, In Wireshark we are
> getting "Destination port unreachable"
>
> The port we are using is:49152 and static ip at both ends
>
> Is this port supported by android emulator?
> What is the solution to get UDP packets to be able to reach till the
> emulator?
>
> Kindly give solution for the same,
> Thanks in advance,
> -Gopish

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