As Kieran had said to enable IP fowarding. It has already been enabled in my
system. I even ried to run the simhost application. But the simhost application
doesnot respond to any ping messages.
The configuration of my tun devices is as follows
tun0 Link encap:Point-to-Point Protocol
inet addr:192.168.1.2 P-t-P:192.168.1.3 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:10
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
tun1 Link encap:Point-to-Point Protocol
inet addr:192.168.1.3 P-t-P:192.168.1.2 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:1 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:10
RX bytes:44 (44.0 b) TX bytes:0 (0.0 b)
On tun0 my server program is listening while on tun1 my client program is
writing data.
When I do tcpdump -i tun0 nothing is shown
When I do tcpdump -i tun1 the following is displayed
tcpdump: listening on tun1
14:04:26.454185 192.168.1.3.4097 > 192.168.1.2.1500: S 6509:6509(0) win 1024 <ms
s 128> (DF)
14:04:29.477613 192.168.1.3.4097 > 192.168.1.2.1500: S 6509:6509(0) win 1024 <ms
s 128> (DF)
14:04:32.501040 192.168.1.3.4097 > 192.168.1.2.1500: S 6509:6509(0) win 1024 <ms
s 128> (DF)
14:04:35.524490 192.168.1.3.4097 > 192.168.1.2.1500: S 6509:6509(0) win 1024 <ms
s 128> (DF)
tcpdump: pcap_loop: recvfrom: Network is down
And my client program ends with netconn_connect returning an error value -3.
Am I doing something wrong?
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