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#define IF_TAP 1
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#define IF_TUN 2
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#define ETHERNET_MIN_FRAME_SIZE 14
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#define TUN_MIN_FRAME_SIZE 5
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#define MTU_MIN 74
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#define MTU_MAX 1522
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#define MTU_DEFAULT 329
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#define TXQUEUELEN 10
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// ARP timings, in seconds
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#define ARP_BASE_REACHABLE_TIME 300
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#define ARP_RETRANS_TIME 5 |