Hi:
I'm writing a UDP server and meet a problem
the UDP server program is run on a box with single card but has multi ip:
like eth0 10.0.0.1
eth0:1 10.0.0.2
eth0:2 11.0.0.1
I bind the server socket with INADDR_ANY
when a client send a packet to 10.0.0.2(the eth0:1 's ip)
the server can recieve the packet and reply, but the client can't recieve the
server's response
I use wireshark to capture the response packet
and found that the server use 10.0.0.1(the eth0 's ip) as saddr in the response
packet
I expected it to be 10.0.0.2 but it's not
my question : is there any way to let the UDP server relpy just use the ip it
receieved the request ?
It's :
when a client send a request to 10.0.0.1(eth0); the server use 10.0.0.1 to
response
and another client send a request to 10.0.0.2(eth0:1); the server use 10.0.0.2
to response
Thanks.
2011-10-15
jiangtao.jit
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