python-pcap模块解析mac地址详解编程语言

import pcap   
import binascii   
   
   
a = pcap.pcap()   
a.setfilter('arp')   
   
for i,j in a:   
    if binascii.hexlify(j[21])=="02":   
        print 'Mac Reply!'   
        for index in range(len(j)):   
            if index>=22 and index<=27:   
                   print binascii.hexlify(j[index])+":"   
        print "Over"   
        break