prev post was on ip checksum element. it returns bad lengths. the
following is the configuration. elements after checksum elemnt are not
functioning. wats the error? help me
//classifying the IP packet based on starting hex 45 00
cl :: Classifier(14/45 , -);
//capturing packets from eth1
FromDevice(eth1)
->[0]cl;
cl[0]->
//print org packets
Print(orig)
//stripping ether header
-> Strip(14)
//printing altered packet
->Print(strp)
//altering contents
->StoreData(4,A)
//printf stripped packet
->Print(stor)
//seting chksum
->SetIPChecksum()
//ustriping packet
->Unstrip(14)
->Print(ustp)
-> Discard;
cl[1]-> Discard();
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