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Old 05-08-2005, 02:46 AM   #1
Registered: Feb 2004
Distribution: FC4,RHEL4
Posts: 223

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how to program IP checking of packet for its delivery

On linux pc made as Router,when a packet is built after IP header addded to packet I want to check whether a packet is having its destination ip == any local internal attached networks ip.
Consider Router is having no. of NIC's that mean no. of internal networks attached to that Router.
I am doing the C progarm for the above problem that will print that packet is having delivery to local network.
Required hints to program above about how to crosscheck that?


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