CLEARHISTORY // indicates the start of the new sequence of packets (with initial size = 0) CLEARMASK POS 0 // filling the minimal ethernet header // MAC address of destination .dstmac 22-22-22-22-22-22 dstmac 0x222222222222 // correct as well dstmac 222222222222 // correct as well // MAC address of source .srcmac 11:11:11:11:11:11 // code of higher level protocol .ethproto 0x0800 DEFINE ip 0x0800 DEFINE arp 0x0806 DEFINE vlan 0x8100 DEFINE ip6 0x86dd