Re: About the function "recvfrom" and NIC
Posted by jadewang on 2012/3/27 13:52:05
(⊙o⊙)…
I mean the NIC(Network Interface Card) is turned off after running this program .I have to use the command
to turn on the NIC so I can catch packets.I debug the program using gdb and I find that after this sentence
the NIC is off.
I mean the NIC(Network Interface Card) is turned off after running this program .I have to use the command
ifconfig eth1 up
to turn on the NIC so I can catch packets.I debug the program using gdb and I find that after this sentence
n=recvfrom(sock,buffer,2048,0,NULL,NULL);
the NIC is off.
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